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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Custom Font Example</title> <style> /* 使用@font-face规则定义字体 */ @font-face { font-family: 'AkalTun'; /* 定义一个字体名 */ src: url('https://akaltun.cn/1/akaltun.ttf') format('truetype'); /* 指定字体文件和格式 */ } /* 应用自定义字体到body,也可以应用到其他元素 */ body { font-family: 'AkalTun', sans-serif; /* 将字体应用到body,如果字体加载失败则回退到sans-serif */ } </style> </head> <body> <div id="container"> <h1>欢迎来到我的网站ئۇيغۇرچە</h1> <p>这里是使用自定义字体的文本。</p> <!-- 其他内容 --> </div> </body> </html>
Mysql外链约束规则
java的mvc三层架构分别是: View(界面层),Service(业务逻辑层),DAO(数据访问层) V:View 网页视图,为用户提供能够看到并且使用的界面,与用户直接进行交互。 M:Model,业务模型,处理业务 C:Controller,控制器,处理请求,调用模型和视图 dao层负责对数据进行直接操控,最底层 service层负责对传递过来的参数验证,以及其他逻辑验证操作。验证完毕访问dao层进行数据操控 servlet层负责接收参数,然后调用service层进行处理 三个层分工合作,有利于后期的功能维护,那层出了问题就去处理哪层
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> <style> * { padding: 0; margin: 0; } li { list-style-type: none; } a { text-decoration: none; } .nav-box { width: 980px; height: 90px; margin: 20px auto; display: flex; align-items: center; } .right { flex: 1; margin-left: 20px; } .right-top-tag li { display: inline-block; font-size: 12px; border-radius: 3px 3px 0 0; overflow: hidden; } .right-top-tag li a { color: #666; padding: 5px 15px; display: inline-block; } .right-search { margin-top: -4px; display: flex; } .right-search input { border: 3px solid #F37B03; width: 100%; height: 27px; background: url("./images/tb/search.jpg") no-repeat 10px; flex: 1; outline: none; padding-left: 30px; color: #666; } .right-search .button { flex-shrink: 1; width: 133px; height: 33px; background: url("images/tb/button.jpg") no-repeat; border: none; } .right-search .tip { height: 33px; } .right-search .tip p { line-height: 16px; font-size: 12px; margin-left: 10px; color: #666; } .right-title-nav ul li { display: inline-block; margin-top: 6px; } .right-title-nav ul li a { color: #555; font-size: 12px; margin-right: 12px; } </style> </head> <body> <div class="nav-box"> <div class="left"> <img src="./images/tb/logo.jpg" alt=""> </div> <div class="right"> <div class="right-top-tag"> <ul> <li style="background-color: #F37B03;"><a style="color: #fff;" href="#"> 宝贝 </a></li> <li><a href="#"> 天猫<span style="color: #f79a3d;">(淘宝商城)</span> </a></li> <li><a href="#"> 店铺 </a></li> </ul> </div> <div class="right-search"> <input type="text"> <button class="button"></button> <div class="tip"> <p>高级搜索</p> <p>使用帮助</p> </div> </div> <div class="right-title-nav"> <ul> <li> <a href="#">长裙</a> </li> <li> <a href="#">时尚包包</a> </li> <li> <a href="#">新款连衣裙</a> </li> <li> <a href="#">中老年夏服</a> </li> <li> <a href="#">新款连衣裙</a> </li> <li> <a href="#">中老年夏服</a> </li> <li> <a href="#">更多>></a> </li> </ul> </div> </div> </div> </body> </html>
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>Document</title> <style> * { padding: 0; margin: 0; } div { box-sizing: border-box; color: #DE8786; } .mainbox { width: 980px; margin: 0 auto; } .nav { background-color: #FE9AB5; } .nav .item { display: inline-block; line-height: 46px; padding: 0 30px; color: #fff; } .banner { text-align: center; } .frombox { background: url("./images/content_bg.jpg"); padding: 0 180px; } .step { padding: 10px 0; } .step .tip { font-size: 20px; line-height: 42px; float: left; } .userinfo .title { border-bottom: 1px solid #FE9AB5; line-height: 42px; margin-bottom: 10px; } input { border: 1px solid #FE9AB5; } .tableinput { padding: 5px 30px; } .tableinput tr { margin: 10px 0; } .tableinput .info { width: 220px; height: 22px; } .tableinput tr .titles { text-align: right; } .tableinput select { width: 168px; border-color: #FE9AB5; color: #FE9AB5; } </style> </head> <body> <div class="content"> <div class="logo mainbox"> <img src="./images/logo.jpg" alt=""> </div> <div class="nav"> <ul class="mainbox"> <li class="item">首页</li> <li class="item">会员</li> <li class="item">活动</li> <li class="item">直播</li> <li class="item">视频</li> <li class="item" style="background-color: #FE9AB5;">注册</li> </ul> </div> <div class="banner"> <img src="./images/banner.jpg" alt=""> </div> <div class="frombox mainbox"> <div class="step"> <span class="tip">注册步骤:</span> <img src="./images/step.jpg" alt=""> </div> <div class="userinfo"> <p class="title">您的账号信息:</p> <table class="tableinput"> <tr> <td class="titles">注册方式:</td> <td><input type="radio"> E-main注册 <input type="radio"> 手机号码注册</td> </tr> <tr> <td>注册邮箱:</td> <td><input class="info" type="email"></td> </tr> <tr> <td class="titles">注册手机:</td> <td><input class="info" type="email"></td> </tr> <tr> <td class="titles">登录密码:</td> <td><input class="info" type="email"></td> </tr> <tr> <td class="titles">昵称:</td> <td><input class="info" type="email"></td> </tr> </table> </div> <div class="userinfo"> <p class="title">您的个人信息:</p> <table class="tableinput"> <tr> <td class="titles">性别:</td> <td><input type="radio"> 男 <input type="radio"> 女</td> </tr> <tr> <td class="titles">学历:</td> <td><select> <option value="初中">初中</option> <option value="高中">高中</option> <option value="大专">大专</option> <option value="本科">本科</option> </select></td> </tr> <tr> <td class="titles">所在城市:</td> <td><select> <option value="北京">北京</option> <option value="江西">江西</option> <option value="四川">四川</option> </select></td> </tr> </table> </div> </div> </div> </body> </html>
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>Document</title> <style> body { background-color: #EBEBEB; } .content { background: url("images/form_bg.jpg"); width: 1430px; height: 717px; margin: 0 auto; position: relative; } .frombox { width: 700px; height: 540px; position: absolute; top: 160px; left: 700px; } .title { text-align: center; font-size: 24px; } .line { padding: 7px 0; font-size: 15px; } .line input { height: 26px; width: 220px; } .line .tip { text-align: right; display: inline-block; width: 90px; } .line.color input { width: 120px; } .line.btn input { background-color: #93B518; color: #fff; width: 120px; height: 36px; border: 0; margin: 15px 28px; } </style> </head> <body> <div class="content"> <div class="frombox"> <h1 class="title">传智学员信息登记表</h1> <form action="" method="GET"> <div class="line"> <label class="tip">用户登录名:</label> <input type="text" name="username" value="mymail@163.com" readonly="readonly" disabled="disabled"> <label>(不能修改,只能查看)</label> </div> <div class="line"> <label class="tip">真实姓名:</label> <input type="text" name="name" placeholder="例如:王鹏" required pattern="^[\u4e00-\u9fa5]+$"> <label>(必须填写,只能输入汉字)</label> </div> <div class="line"> <label class="tip">真实年龄:</label> <input type="number" name="age" min="0" max="100" value="24" required placeholder="16-100"> <label>(必须填写)</label> </div> <div class="line"> <label class="tip">出生日期:</label> <input type="date" name="date" required> <label>(必须填写)</label> </div> <div class="line"> <label class="tip">电子邮箱:</label> <input type="email" name="email" placeholder="123456@qq.com" required> <label>(必须填写)</label> </div> <div class="line"> <label class="tip">身份证号:</label> <input type="text" name="idcard" required pattern="^[0-9]{17}[0-9Xx]$"> <label>(必须填写,能够以数字,字母x结尾的短身份证号)</label> </div> <div class="line"> <label class="tip">手机号码:</label> <input type="tel" name="tel" required> <label>(必须填写)</label> </div> <div class="line"> <label class="tip">个人主页:</label> <input type="url" name="myurl" placeholder="http://bk.notei.cn"> <label>(请选择网址)</label> </div> <div class="line color"> <label class="tip">幸运颜色:</label> <input type="color" name="luckcolor" value="#E2D546"> <label>(请选择你喜欢的颜色)</label> </div> <div class="line btn"> <input type="submit" value="提交"> <input type="reset" value="重置"> </div> </form> </div> </div> </body> </html>
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>Document</title> <style> * { margin: 0; padding: 0; } div { box-sizing: border-box; } body { background-color: #FFF9ED; } a { text-decoration: none; color: #333; } li { list-style-type: none; } .content { display: flex; flex-direction: column; justify-content: center; align-items: center; } .container { width: 980px; margin: 0 auto; height: 100px; } .nav { background: url("images/head_bg.jpg") repeat-x; height: 128px; width: 100%; } .nav li { float: left; } .nav .item a { display: inline-block; width: 120px; height: 128px; line-height: 64px; text-align: center; color: #fff; margin: 0 5px; font-size: 17px; } .nav .item a:hover { background: url("images/xuanfu.png") no-repeat; } .banner img { width: 100%; } .borbox { background-color: #EC6E47; padding: 10px 30px; height: auto; } .borbox ul { width: 100%; display: flex; padding: 10px; background-color: #fff; } .borbox ul li { flex: 1 0 0; height: 100%; margin: 0 3px; } .borbox ul li .flexbox { display: flex; } .borbox ul li div { background-color: #242424; color: #fff; } .borbox ul li .top { margin-bottom: 8px; } .borbox ul li .name { text-align: center; flex: 1 0 0; } .borbox ul .left .top .name { line-height: 169px; } .borbox ul .left .bottom .name { line-height: 137px; } .borbox ul .center .top { height: 117px; line-height: 117px; } .borbox ul .center .bottom { height: 189px; line-height: 189px; } .borbox ul .right .top { height: 313px; line-height: 313px; } .morebox { margin-top: 50px; text-align: left; height: auto; } .morebox>.title { display: inline-block; background-color: #EC6E47; color: #fff; padding: 10px 20px; font-size: 16px; font-weight: normal; } .morebox .list { display: flex; gap: 8px; background-color: #fff; padding: 10px; border: 1px solid #ccc; } .morebox .list li { flex: 1 0 0; border: 1px solid #ccc; padding-bottom: 15px; } .morebox .list li img { width: 100%; border-bottom: 1px solid #ccc; } .morebox .list li .title { text-align: center; width: 100%; color: #666; padding: 10px 0; font-size: 18px; } .morebox .list li .buybox { width: 80%; margin: 0 auto; background: url("./images/gouwu.jpg") no-repeat; background-color: #EC6E47; color: #fff; padding-left: 56px; height: 36px; line-height: 36px; } .footer { background-color: #111; width: 100%; color: #fff; padding: 50px 0; text-align: center; font-size: 14px; line-height: 29px; } </style> </head> <body> <div class="content"> <div class="nav"> <ul class="container"> <li><img src="./images/logo.png" alt="logo"></li> <li class="item"><a href="#">穿搭速递</a></li> <li class="item"><a href="#">时尚大片</a></li> <li class="item"><a href="#">星着装</a></li> <li class="item"><a href="#">时尚园</a></li> <li class="item"><a href="#">时尚专栏</a></li> <li class="item"><a href="#">会员/登录</a></li> </ul> </div> <div class="banner"> <img src="./images/banner.jpg" alt=""> </div> <div class="borbox container"> <ul> <li class="left"> <div class="top flexbox"> <img src="./images/pic01.jpg" alt=""> <p class="name">明星时尚</p> </div> <div class="bottom flexbox"> <img src="./images/pic02.jpg" alt=""> <p class="name">明星时尚</p> </div> </li> <li class="center"> <div class="top flexbox"> <img src="./images/pic03.jpg" alt=""> <p class="name">明星时尚</p> </div> <div class="bottom flexbox"> <img src="./images/pic04.jpg" alt=""> <p class="name">明星时尚</p> </div> </li> <li class="right"> <div class="top flexbox"> <img src="./images/pic05.jpg" alt=""> <p class="name">明星时尚</p> </div> </li> </ul> </div> <div class="morebox container"> <h2 class="title">潮流前沿/Tadil current</h2> <ul class="list"> <li> <img src="./images/match01.jpg" alt=""> <p class="title">潮流饰品</p> <div class="buybox"> 快速购买通道 </div> </li> <li> <img src="./images/match02.jpg" alt=""> <p class="title">潮流饰品</p> <div class="buybox"> 快速购买通道 </div> </li> <li> <img src="./images/match03.jpg" alt=""> <p class="title">潮流饰品</p> <div class="buybox"> 快速购买通道 </div> </li> <li> <img src="./images/match04.jpg" alt=""> <p class="title">潮流饰品</p> <div class="buybox"> 快速购买通道 </div> </li> </ul> </div> <div class="footer"> <p> All right reseved©2006-2016 CHAOUUFUSHI.com, All right reseved</p> <p>2021-2018, 版权所有 潮流服饰 85CP备案13385453</p> </div> </div> </body> </html>
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> <style type="text/css"> * { padding: 0; margin: 0; } li { list-style: none; } div { box-sizing: border-box; } .min-content { width: 980px; margin: 0 auto; } .content { width: 1280px; margin: 0 auto; } .header { height: 120px; line-height: 120px; background: #fff; } .header .logo { float: left; height: 80px; margin-top: 20px; } .header .goto { float: right; color: #666; } .header .goto a { color: #666; text-decoration: none; } .navbox { height: 60px; background: #404042; line-height: 60px; color: #fff; font-size: 18px; } .navbox ul li { padding: 0 42px; float: left; } .navbox ul li:hover { background-color: #DA5454; } .banner img { width: 100%; } .function ul { display: flex; } .function ul li { padding: 34px 0; flex: 1 0 0; border: 1px solid #ddd; border-top: 0; border-spacing: 0; } .function .item img { height: 50px; margin: 0 15px 0 28px; float: left; } .function .item .info .title { font-size: 17px; } .function .item .info .subtitle { font-size: 14px; color: #666; } .demobox,.newsbox { margin-top: 10px; } .demobox ul .item { float: left; margin: 3px 8px; } .demobox .title,.newsbox .title { line-height: 56px; border-bottom: 1px solid #ddd; margin-bottom: 10px; color: #222; font-size: 18px; } .newsbox .itemtitle { font-size: 15px; color: #444; } .newsbox>ul { display: flex; gap: 15px; } .newsbox>ul .listbox { flex: 1 0 0; border: 1px solid #ddd; padding: 25px 20px; } .newsbox>ul .listbox .itemtitle { margin-bottom: 5px; } .newsbox>ul .listbox ul .item { border-bottom: 1px solid #ddd; padding: 20px 0; } .newsbox>ul .listbox ul .item img { float: left; margin-right: 15px; } .newsbox>ul .listbox ul .item .infotitle { font-size: 16px; color: #222; } .newsbox>ul .listbox ul .item .subtitle { font-size: 13px; color: #aaa; } .footer { padding: 46px; margin-top: 20px; background-color: #111; text-align: center; color: #fff; line-height: 36px; font-size: 15px; } </style> </head> <body> <div class="content"> <div class="min-content"> <div class="header"> <img class="logo" src="./images/logo.png" alt="logo"> <div class="goto"> <a href="#">登录</a> | <a href="#">注册</a> </div> </div> </div> <div class="navbox"> <div class="min-content"> <ul> <li class="item">首页</li> <li class="item">设计案例</li> <li class="item">装修图库</li> <li class="item">有问必答</li> <li class="item">逛商品</li> </ul> </div> </div> <div class="banner"> <img src="./images/banner.jpg" alt="banner"> </div> <div class="function min-content"> <ul> <li class="item"> <img src="./images/pic01.jpg" alt=""> <div class="info"> <p class="title">浏览真实设计案例</p> <p class="subtitle">设计师原创作品</p> </div> </li> <li class="item"> <img src="./images/pic02.jpg" alt=""> <div class="info"> <p class="title">浏览真实设计案例</p> <p class="subtitle">设计师原创作品</p> </div> </li> <li class="item"> <img src="./images/pic03.jpg" alt=""> <div class="info"> <p class="title">浏览真实设计案例</p> <p class="subtitle">设计师原创作品</p> </div> </li> <li class="item"> <img src="./images/pic04.jpg" alt=""> <div class="info"> <p class="title">浏览真实设计案例</p> <p class="subtitle">设计师原创作品</p> </div> </li> </ul> </div> <div class="demobox min-content"> <h4 class="title">设计案例</h4> <ul> <li class="item"> <img src="./images/pic05.jpg" alt=""> </li> <li class="item"> <img src="./images/pic06.jpg" alt=""> </li> <li class="item"> <img src="./images/pic07.jpg" alt=""> </li> <li class="item"> <img src="./images/pic08.jpg" alt=""> </li> <li class="item"> <img src="./images/pic09.jpg" alt=""> </li> <li class="item"> <img src="./images/pic10.jpg" alt=""> </li> </ul> </div> <div class="newsbox min-content"> <h4 class="title">最新动态</h4> <ul> <li class="listbox"> <h3 class="itemtitle">有问必答</h3> <ul class=""> <li class="item"> <img src="./images/pic01.png" alt=""> <div class="info"> <p class="infotitle">家具用品哪个品牌好</p> <p class="subtitle">回答:谢美家居用品很多错...</p> </div> </li> <li class="item"> <img src="./images/pic02.png" alt=""> <div class="info"> <p class="infotitle">家具用品哪个品牌好</p> <p class="subtitle">回答:谢美家居用品很多错...</p> </div> </li> <li class="item"> <img src="./images/pic03.png" alt=""> <div class="info"> <p class="infotitle">家具用品哪个品牌好</p> <p class="subtitle">回答:谢美家居用品很多错...</p> </div> </li> </ul> </li> <li class="listbox"> <h3 class="itemtitle">发布需求</h3> <ul class=""> <li class="item"> <img src="./images/pic04.png" alt=""> <div class="info"> <p class="infotitle">家具用品哪个品牌好</p> <p class="subtitle">回答:谢美家居用品很多错...</p> </div> </li> <li class="item"> <img src="./images/pic05.png" alt=""> <div class="info"> <p class="infotitle">家具用品哪个品牌好</p> <p class="subtitle">回答:谢美家居用品很多错...</p> </div> </li> <li class="item"> <img src="./images/pic06.png" alt=""> <div class="info"> <p class="infotitle">家具用品哪个品牌好</p> <p class="subtitle">回答:谢美家居用品很多错...</p> </div> </li> </ul> </li> <li class="listbox"> <h3 class="itemtitle">预约设计师</h3> <ul class=""> <li class="item"> <img src="./images/pic06.png" alt=""> <div class="info"> <p class="infotitle">家具用品哪个品牌好</p> <p class="subtitle">回答:谢美家居用品很多错...</p> </div> </li> <li class="item"> <img src="./images/pic07.png" alt=""> <div class="info"> <p class="infotitle">厨房在哪个方位风水好</p> <p class="subtitle">回答:看风水要结合...</p> </div> </li> <li class="item"> <img src="./images/pic08.png" alt=""> <div class="info"> <p class="infotitle">卧室多大比较合适</p> <p class="subtitle">回答:一般卧室的大小...</p> </div> </li> </ul> </li> </ul> </div> </div> <div class="footer"> <p>关于我们 | 联系我们 | 意见建议 | 帮助中心 | 使用条款</p> <p>免责声明:本网站部分内容由用户自行上传,如权利人发现存在误传其作品情形,请及时与本站联系。</p> </div> </body> </html>
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document1</title> <style> * { padding: 0; margin: 0; } li { list-style: none; } a { color: #666; text-decoration: none; } .content { width: 1280px; margin: 0 auto; } .nav { height: 600px; background: url("images/bg.png") center; background-size: cover; } .navlist { padding: 30px 60px; box-sizing: border-box; text-align: center; } .navlist ul li { float: left; line-height: 60px; padding: 0 50px; font-size: 16px; } .seach { position: relative; width: 128px; height: 36px; margin-top: 12px; } .seach img { height: 16px; position: absolute; top: calc(50% - 8px); left: 10px; z-index: 10; } .seach .input { position: absolute; top: 0; left: 0; height: 100%; width: 100%; border: none; border-radius: 18px; font-size: 12px; padding-left: 32px; box-sizing: border-box; outline: none; color: #666 } .hot { text-align: center; margin-top: 20px; } .hotlist { margin-top: 20px; text-align: left; padding: 0 60px; box-sizing: border-box; } .hotlist .item .img img { width: 100%; } .hotlist .item .title { padding: 10px; box-sizing: border-box; font-weight: bold; font-size: 18px; color: #333; border-bottom: 1px solid #ddd; } .hotlist .item .info { padding: 10px; padding-bottom: 30px; color: #bbb; box-sizing: border-box; } .hotlist { display: flex; gap: 80px; } .bottomimage img { width: 100%; } .life { background-color: #E1EBF2; margin-top: 50px; text-align: center; padding: 30px 0; } .life ul { text-align: center; } .life ul li { display: inline-block; margin: 20px 20px; } .footer { height: 80px; background: url("images/footer_bg.jpg"); color: #fff; text-align: center; line-height: 80px; margin-top: 50px; } </style> </head> <body> <div class="content"> <div class="nav"> <div class="navlist"> <ul> <li> <img class="logo" src="./images/logo.png" alt=""> </li> <li><a href="#">网站首页</a></li> <li><a href="#">床和床垫</a></li> <li><a href="#">卧室纺织品</a></li> <li><a href="#">灯具照明</a></li> <li class="seach"> <img src="./images/f.png" alt=""> <input class="input" type="text" placeholder="输入商品名称"> <li> </ul> </div> </div> <div class="hot"> <img src="./images/dongtai.jpg" alt=""> <ul class="hotlist"> <li class="item"> <dt class="box"> <dd class="img"> <img src="./images/news1.jpg" alt=""> </dd> <dd class="title">BEST贝达</dd> <dd class="info">将杂乱无章的物品收纳到视线之外,在我怕门后要展示台的心爱之物!</dd> <dd class="bottomimage"><img src="./images/yinying.jpg" alt=""></dd> </dt> </li> <li class="item"> <dt class="box"> <dd class="img"> <img src="./images/news2.jpg" alt=""> </dd> <dd class="title">BEST贝达</dd> <dd class="info">将杂乱无章的物品收纳到视线之外,在我怕门后要展示台的心爱之物!</dd> <dd class="bottomimage"><img src="./images/yinying.jpg" alt=""></dd> </dt> </li> <li class="item"> <dt class="box"> <dd class="img"> <img src="./images/news3.jpg" alt=""> </dd> <dd class="title">BEST贝达</dd> <dd class="info">将杂乱无章的物品收纳到视线之外,在我怕门后要展示台的心爱之物!</dd> <dd class="bottomimage"><img src="./images/yinying.jpg" alt=""></dd> </dt> </li> </ul> </div> <div class="life"> <img src="./images/shenghuo.png" alt=""> <ul> <li><img src="./images/img1.jpg" alt=""></li> <li><img src="./images/img2.jpg" alt=""></li> <li><img src="./images/img3.jpg" alt=""></li> </ul> </div> </div> <div class="footer"> 爱家居版权所有2016-2026京ICP备222222222号 京公网安备2222222222222 </div> </body> </html>
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document2</title> <style> * { margin: 0; padding: 0; } li { list-style: none; } .main { width: 980px; margin: 0 auto; } .top { background: url("images/logo.jpg") no-repeat; background-position: 50px; height: 56px; line-height: 56px; margin-top: 10px; } .top .user { float: right; margin-right: 50px; } .top .user a { color: #FF9C00; text-decoration: none; } .nav { background-color: #FF9C00; height: 46px; margin-top: 10px; text-align: center; line-height: 46px; font-size: 16px; } .navlist li { display: inline-block; height: 100%; } .navlist li a { height: 100%; padding: 0 25px; color: #B55F23; text-decoration: none; display: inline-block; } .navlist li a:hover { background-color: #fca76a; } .banner { height: 432px; background: url("./images/banner.jpg") no-repeat center; background-size: cover; } .infobox { height: 160px; background-color: #E7BF80; } .infobox ul { text-align: center; } .infobox ul li { width: 120px; height: 120px; border-radius: 50%; display: inline-block; margin: 0 20px; margin-top: 20px; overflow: hidden; position: relative; } .infobox ul li .icon { width: 120px; position: absolute; left: 0; } .infobox ul li .title { color: #A47167; position: absolute; text-align: center; top: 76px; width: 100%; } .shoplist { background-color: #F8F5BC; padding: 50px 80px; padding-bottom: 60px; } .shoplist ul { display: flex; gap: 20px; flex-wrap: wrap; } .shoplist .item { flex: 20%; background-color: #fff; border: 1px solid #ddd; padding: 10px; box-sizing: border-box; } .shoplist .item img { width: 100%; } .shoplist .item .title,.shoplist .item .price { color: #A47167; margin-top: 5px; } .shoplist .item .name,.shoplist .item .price span { color: #FDA6A0; margin-top: 5px; } .footer { height: 120px; line-height: 120px; text-align: center; color: #fff; background: url("./images/footer.png") repeat-x; margin-top: -10px; } </style> </head> <body> <div class="main"> <div class="top"> <div class="user"> <a href="#">登录 |</a> <a href="#">注册</a> </div> </div> <div class="nav"> <ul class="navlist"> <li><a href="#">首页</a></li> <li><a href="#">公司简介</a></li> <li><a href="#">美食甜品</a></li> <li><a href="#">用户留言</a></li> <li><a href="#">联系我们</a></li> </ul> </div> <div class="banner"></div> <div class="infobox"> <ul> <li> <img class="icon" src="./images/list1.png" alt=""> <p class="title">提拉米苏</p> </li> <li> <img class="icon" src="./images/list2.png" alt=""> <p class="title">甜甜圈</p> </li> <li> <img class="icon" src="./images/list3.png" alt=""> <p class="title">芝士蛋糕</p> </li> <li> <img class="icon" src="./images/list4.png" alt=""> <p class="title">马卡龙</p> </li> <li> <img class="icon" src="./images/list5.png" alt=""> <p class="title">西式甜点</p> </li> </ul> </div> <div class="shoplist"> <ul> <li class="item"> <img src="./images/con1.jpg" alt=""> <p class="title">爱的N次方</p> <p class="name">马卡龙</p> <p class="price">价格:<span>30元</span></p> </li> <li class="item"> <img src="./images/con2.jpg" alt=""> <p class="title">果肉果冻</p> <p class="name">双色马卡龙</p> <p class="price">价格:<span>30元</span></p> </li> <li class="item"> <img src="./images/con3.jpg" alt=""> <p class="title">芒果味</p> <p class="name">补丁马卡龙</p> <p class="price">价格:<span>30元</span></p> </li> <li class="item"> <img src="./images/con4.jpg" alt=""> <p class="title">果冻荔枝味</p> <p class="name">多彩马卡龙</p> <p class="price">价格:<span>30元</span></p> </li> <li class="item"> <img src="./images/con5.jpg" alt=""> <p class="title">果冻巧克力</p> <p class="name">西式甜点</p> <p class="price">价格:<span>30元</span></p> </li> <li class="item"> <img src="./images/con6.jpg" alt=""> <p class="title">流动水果</p> <p class="name">提拉米苏</p> <p class="price">价格:<span>30元</span></p> </li> <li class="item"> <img src="./images/con7.jpg" alt=""> <p class="title">玫瑰花型</p> <p class="name">马卡龙</p> <p class="price">价格:<span>30元</span></p> </li> <li class="item"> <img src="./images/con8.jpg" alt=""> <p class="title">木买奶油</p> <p class="name">芝士蛋糕</p> <p class="price">价格:<span>30元</span></p> </li> </ul> </div> <div class="footer"> 西式甜点网版权所有2000-2016京ICP备08001421号 京公网安备110108007702 </div> </div> </body> </html>
在component目录下新建一个子组件 然后在父界面使用import绑定子界面: import child from "../../component/child.vue" child 是子组件名,from后面连接组件路径 然后使用components绑定组件: components: { child } 父传子参数可以通过标签属性传递: <child :content="content"></child> 子组件接收方法: props: ["content"] 子组件传递参数给父组件: 可以使用this.$emit通过事件的方式传递参数: but:function() { this.$emit("buts",this.putInfo); } buts 父组件接收的事件名, putInfo 是传递的参数 父组件通过标签属性的方式得到传递的参数: <child @buts="buts"></child> 夫组件通过buts事件接收 约束传递的参数: props: { content:{ type: [Number,String], } } 允许Number类型和String类型
#include <REGX52.H> void Timer0Init(void) //1毫秒@12.000MHz { //AUXR &= 0x7F; //定时器时钟12T模式 TMOD &= 0xF0; //设置定时器模式 TMOD |= 0x01; //设置定时器模式 TL0 = 0x18; //设置定时初值 TH0 = 0xFC; //设置定时初值 TF0 = 0; //清除TF0标志 TR0 = 1; //定时器0开始计时 ET0 = 1; EA = 1; PT0 = 0; } /*定时器中断函数模板 void Timer0_Routine() interrupt 1 { static unsigned int T0Count; TL0 = 0x18; //设置定时初值 TH0 = 0xFC; //设置定时初值 T0Count+=1; if(T0Count>=1000){ T0Count = 0; //1s执行一次中断函数 } } */ 注解:定时器加到最大值65536,设置起始值为64536,定时器1us进行一次+1,那么1000us后就会超出一次定时器范围,就会执行一次中断程序。那么就是1000us执行一次中断函数,也就是1ms执行一次,那么执行1000次就是1s .h文件可在贴图里面看到
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document2</title> <style> * { margin: 0; padding: 0; } li { list-style: none; } .main { width: 980px; margin: 0 auto; } .top { background: url("images/logo.jpg") no-repeat; background-position: 50px; height: 56px; line-height: 56px; margin-top: 10px; } .top .user { float: right; margin-right: 50px; } .top .user a { color: #FF9C00; text-decoration: none; } .nav { background-color: #FF9C00; height: 46px; margin-top: 10px; text-align: center; line-height: 46px; font-size: 16px; } .navlist li { display: inline-block; height: 100%; } .navlist li a { height: 100%; padding: 0 25px; color: #B55F23; text-decoration: none; display: inline-block; } .navlist li a:hover { background-color: #fca76a; } .banner { height: 432px; background: url("./images/banner.jpg") no-repeat center; background-size: cover; } .infobox { height: 160px; background-color: #E7BF80; } .infobox ul { text-align: center; } .infobox ul li { width: 120px; height: 120px; border-radius: 50%; display: inline-block; margin: 0 20px; margin-top: 20px; overflow: hidden; position: relative; } .infobox ul li .icon { width: 120px; position: absolute; left: 0; } .infobox ul li .title { color: #A47167; position: absolute; text-align: center; top: 76px; width: 100%; } .shoplist { background-color: #F8F5BC; padding: 50px 80px; padding-bottom: 60px; } .shoplist ul { display: flex; gap: 20px; flex-wrap: wrap; } .shoplist .item { flex: 20%; background-color: #fff; border: 1px solid #ddd; padding: 10px; box-sizing: border-box; } .shoplist .item img { width: 100%; } .shoplist .item .title,.shoplist .item .price { color: #A47167; margin-top: 5px; } .shoplist .item .name,.shoplist .item .price span { color: #FDA6A0; margin-top: 5px; } .footer { height: 120px; line-height: 120px; text-align: center; color: #fff; background: url("./images/footer.png") repeat-x; margin-top: -10px; } </style> </head> <body> <div class="main"> <div class="top"> <div class="user"> <a href="#">登录 |</a> <a href="#">注册</a> </div> </div> <div class="nav"> <ul class="navlist"> <li><a href="#">首页</a></li> <li><a href="#">公司简介</a></li> <li><a href="#">美食甜品</a></li> <li><a href="#">用户留言</a></li> <li><a href="#">联系我们</a></li> </ul> </div> <div class="banner"></div> <div class="infobox"> <ul> <li> <img class="icon" src="./images/list1.png" alt=""> <p class="title">提拉米苏</p> </li> <li> <img class="icon" src="./images/list2.png" alt=""> <p class="title">甜甜圈</p> </li> <li> <img class="icon" src="./images/list3.png" alt=""> <p class="title">芝士蛋糕</p> </li> <li> <img class="icon" src="./images/list4.png" alt=""> <p class="title">马卡龙</p> </li> <li> <img class="icon" src="./images/list5.png" alt=""> <p class="title">西式甜点</p> </li> </ul> </div> <div class="shoplist"> <ul> <li class="item"> <img src="./images/con1.jpg" alt=""> <p class="title">爱的N次方</p> <p class="name">马卡龙</p> <p class="price">价格:<span>30元</span></p> </li> <li class="item"> <img src="./images/con2.jpg" alt=""> <p class="title">果肉果冻</p> <p class="name">双色马卡龙</p> <p class="price">价格:<span>30元</span></p> </li> <li class="item"> <img src="./images/con3.jpg" alt=""> <p class="title">芒果味</p> <p class="name">补丁马卡龙</p> <p class="price">价格:<span>30元</span></p> </li> <li class="item"> <img src="./images/con4.jpg" alt=""> <p class="title">果冻荔枝味</p> <p class="name">多彩马卡龙</p> <p class="price">价格:<span>30元</span></p> </li> <li class="item"> <img src="./images/con5.jpg" alt=""> <p class="title">果冻巧克力</p> <p class="name">西式甜点</p> <p class="price">价格:<span>30元</span></p> </li> <li class="item"> <img src="./images/con6.jpg" alt=""> <p class="title">流动水果</p> <p class="name">提拉米苏</p> <p class="price">价格:<span>30元</span></p> </li> <li class="item"> <img src="./images/con7.jpg" alt=""> <p class="title">玫瑰花型</p> <p class="name">马卡龙</p> <p class="price">价格:<span>30元</span></p> </li> <li class="item"> <img src="./images/con8.jpg" alt=""> <p class="title">木买奶油</p> <p class="name">芝士蛋糕</p> <p class="price">价格:<span>30元</span></p> </li> </ul> </div> <div class="footer"> 西式甜点网版权所有2000-2016京ICP备08001421号 京公网安备110108007702 </div> </div> </body> </html>
""" while 7过 i = 1 while i <= 100: i+=1 if i % 7 == 0 or i % 10 == 7: print("过") else: print(i) """ """ for 过 for i in range(1,101): if i % 7 == 0 or i % 10 == 7: print("过") else: print(i) """ """ while 打印星 i = 0 while i <= 5: j = 0 while j <= i: print("*",end="") j+=1 i+=1 print("\n") """ """ for 打印星 for i in range(6): for j in range(i): print("*",end="") print("\n") """ """ for 计算1-100的和 sum = 0 for i in range(1,101): sum += i print(sum) """ """ for 计算25-100之间偶数结果 sum = 0 for i in range(25,101): if i % 2 == 0: sum += i print(sum) """
<?php /** * 功能:Curl外部资源请求函数封装 */ function postUrl($url,$data=[]){ /* $url - 指向URL连接 $data - 提交POST数据 */ $ch=curl_init(); curl_setopt($ch,CURLOPT_POST, true); curl_setopt($ch,CURLOPT_RETURNTRANSFER, true); curl_setopt($ch,CURLOPT_URL,$url); curl_setopt($ch,CURLOPT_POST,count($data)); curl_setopt($ch,CURLOPT_POSTFIELDS,$data); $response=curl_exec($ch); curl_close($ch); $result = json_decode($response,true); return $result; } #发送POST请求
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> <style> * { margin: 0; padding: 0; } .red { color: rgb(168, 26, 26); } .content { width: 420px; margin: 20px auto; } .title-box { background: #F5F5F5; height: 56px; border-top: 3px solid #333; border-bottom: 1px solid #ccc; } .title-box .title { font-weight: normal; float: left; line-height: 56px; padding: 0 10px; box-sizing: border-box; background-color: #fff; border-right: 1px solid #ccc; padding-top: 1px; } .title-box .more { font-weight: normal; float: right; line-height: 56px; margin-right: 10px; color: #666; } .show .showimage { margin-top: 10px; display: flex; justify-self: center; align-items: center; gap: 20px; flex-flow:row wrap } .showimage .imagebox { width: calc(50% - 10px); position: relative; height: 113px; } .imagebox .img { position: absolute; width: 100%; } .imagebox .text { position: absolute; bottom: 0; line-height: 26px; background-color: #444; opacity: 0.7; color: #fff; width: 100%; text-align: center; font-size: 15px; } .showist { margin-top: 10px; } .showist ul li { list-style:square; color: blue; font-size: 14px; margin: auto; list-style-position:inside; } .showist ul li span { color: #333; line-height: 32px; } .dashed { border-top: 1px dashed #ddd; margin: 10px 0; } </style> </head> <body> <div class="content"> <div class="title-box"> <h3 class="title">娱乐热点·时尚热点</h3> <span class="more">更多<b class="red">></b></span> </div> <div class="show"> <div class="showimage"> <div class="imagebox"> <img class="img" src="./images/t3/a1.jpg"> <p class="text">45岁杨钰莹热裤秀美腿</p> </div> <div class="imagebox"> <img class="img" src="./images/t3/a2.jpg"> <p class="text">港姐嘉明秀34D傲人身材</p> </div> </div> <div class="showist"> <ul> <li><span>艾米亚当斯秀酥胸长腿 张靓颖棉靴抢镜 花花公子比基尼喜庆</span></li> <li><span>热巴长裙仙气足 张静初素颜气色佳 阿拉蕾卷发撞脸张刺陵</span></li> </ul> </div> <div class="dashed"></div> <div class="showimage"> <div class="imagebox"> <img class="img" src="./images/t3/a3.jpg"> <p class="text">唐嫣郭型大衣散发蜜汁帅气</p> </div> <div class="imagebox"> <img class="img" src="./images/t3/a4.jpg"> <p class="text">真男2心机Girl全靠半永久</p> </div> </div> <div class="showist"> <ul> <li><span>艾米亚当斯秀酥胸长腿 张靓颖棉靴抢镜 花花公子比基尼喜庆</span></li> <li><span>热巴长裙仙气足 张静初素颜气色佳 阿拉蕾卷发撞脸张刺陵</span></li> </ul> </div> </div> </div> </body> </html>
Python定义变量的方法为: name = "chumo" age = 19 也可以同时定义: name,age = "chumo",19 两种方法定义都是一样的结果 定义变量时不需要像c语言以及java那样先声明数据类型再写入变量内容。 Python常见的数据类型有: Number(数字) String(字符串) List(列表) Tuple(元组) Set(集合) Dictionary(字典)
常见的进制: 二进制 binary -----> bin 八进制 octal -----> oct 十进制 decimal -----> dec 十六进制 hexadecimal -----> hex php提供了几常见进制之间转换的函数 二进制转为其他进制 binoct();//转为八进制 bindec();//转为十进制 binhex();//转为十六进制 八进制转为其他进制 octbin();//转为二进制 octdec();//转为十进制 octhex();//转为十六进制 十进制转为其他进制 decbin();//转为二进制 decoct();//转为八进制 dechex();转为十六进制 十六进制转为其他进制 hexbin();转为二进制 hexoct();//转为八进制 hexdec();//转为十六进制 上面列举了这么多,其实自己感觉一点用没有,对于上面的这些函数,你只需要记着bin、oct、dec、hex就可以了,你要把a进制转为b进制,那就是ab() 举个简单的例子: 把二进制(bin)转为十进制(dec): bindec(); 但这样可能还不能满足我们的需求,于是php有个我们提供了一个真正实现爱咋转就咋转的函数:base_convert(); base_convert() 该函数有三个参数 string base_convert ( string $number , int $frombase , int $tobase ) 举个列子: hexadecimal=′125458′;//十进制echobaseconvert(hexadecimal, 10, 5);//转为五进制
C语言逗号运算符: int a = 10,b = 20,c = 0; 设置a变量等于10,b变量等于20,c变量等于0 逗号运算符写法: c = (a++,b+=10,a+=b); 注意:一定要用括号将内容包起来 括号内的表达式会从左往右执行,最后c的值会等于最后一个表达式,也就是a+=b 那么c最后会等于什么呢?有的人以为a+=b不就是a=a+b,最后不就是30吗,最后返回的值却是41,别忘了前面还有两个表达式,分别是a++和a+=b,执行完前面两个表达式后,a将会等于11,b会等于30,那么最后a+b就是11+30=41 当整个都好运算符执行完成后,最后a=41,b=30,c=41 为什么a也会等于41呢?因为最后一个表达式a+=b就是a=a+b也会执行,那么a还是会等于a+b也就是41。 写好的代码参考: #include <stdlib.h> int main() { int a = 10,b = 20,c; c = (a++,b+=10,a+=b); printf("%d,%d,%d",a,b,c); return(0); }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document1</title> <style> * { padding: 0; margin: 0; } li { list-style: none; } a { color: #666; text-decoration: none; } .content { width: 1280px; margin: 0 auto; } .nav { height: 600px; background: url("images/bg.png") center; background-size: cover; } .navlist { padding: 30px 60px; box-sizing: border-box; text-align: center; } .navlist ul li { float: left; line-height: 60px; padding: 0 50px; font-size: 16px; } .seach { position: relative; width: 128px; height: 36px; margin-top: 12px; } .seach img { height: 16px; position: absolute; top: calc(50% - 8px); left: 10px; z-index: 10; } .seach .input { position: absolute; top: 0; left: 0; height: 100%; width: 100%; border: none; border-radius: 18px; font-size: 12px; padding-left: 32px; box-sizing: border-box; outline: none; color: #666 } .hot { text-align: center; margin-top: 20px; } .hotlist { margin-top: 20px; text-align: left; padding: 0 60px; box-sizing: border-box; } .hotlist .item .img img { width: 100%; } .hotlist .item .title { padding: 10px; box-sizing: border-box; font-weight: bold; font-size: 18px; color: #333; border-bottom: 1px solid #ddd; } .hotlist .item .info { padding: 10px; padding-bottom: 30px; color: #bbb; box-sizing: border-box; } .hotlist { display: flex; gap: 80px; } .bottomimage img { width: 100%; } .life { background-color: #E1EBF2; margin-top: 50px; text-align: center; padding: 30px 0; } .life ul { text-align: center; } .life ul li { display: inline-block; margin: 20px 20px; } .footer { height: 80px; background: url("images/footer_bg.jpg"); color: #fff; text-align: center; line-height: 80px; margin-top: 50px; } </style> </head> <body> <div class="content"> <div class="nav"> <div class="navlist"> <ul> <li> <img class="logo" src="./images/logo.png" alt=""> </li> <li><a href="#">网站首页</a></li> <li><a href="#">床和床垫</a></li> <li><a href="#">卧室纺织品</a></li> <li><a href="#">灯具照明</a></li> <li class="seach"> <img src="./images/f.png" alt=""> <input class="input" type="text" placeholder="输入商品名称"> <li> </ul> </div> </div> <div class="hot"> <img src="./images/dongtai.jpg" alt=""> <ul class="hotlist"> <li class="item"> <dt class="box"> <dd class="img"> <img src="./images/news1.jpg" alt=""> </dd> <dd class="title">BEST贝达</dd> <dd class="info">将杂乱无章的物品收纳到视线之外,在我怕门后要展示台的心爱之物!</dd> <dd class="bottomimage"><img src="./images/yinying.jpg" alt=""></dd> </dt> </li> <li class="item"> <dt class="box"> <dd class="img"> <img src="./images/news2.jpg" alt=""> </dd> <dd class="title">BEST贝达</dd> <dd class="info">将杂乱无章的物品收纳到视线之外,在我怕门后要展示台的心爱之物!</dd> <dd class="bottomimage"><img src="./images/yinying.jpg" alt=""></dd> </dt> </li> <li class="item"> <dt class="box"> <dd class="img"> <img src="./images/news3.jpg" alt=""> </dd> <dd class="title">BEST贝达</dd> <dd class="info">将杂乱无章的物品收纳到视线之外,在我怕门后要展示台的心爱之物!</dd> <dd class="bottomimage"><img src="./images/yinying.jpg" alt=""></dd> </dt> </li> </ul> </div> <div class="life"> <img src="./images/shenghuo.png" alt=""> <ul> <li><img src="./images/img1.jpg" alt=""></li> <li><img src="./images/img2.jpg" alt=""></li> <li><img src="./images/img3.jpg" alt=""></li> </ul> </div> </div> <div class="footer"> 爱家居版权所有2016-2026京ICP备222222222号 京公网安备2222222222222 </div> </body> </html>
讲解if语句之前先讲一下相关的运算符号 编程语言基本运算符号有: "<" ">" "==" "<=" ">=" "!=" 等 我挨个讲解他们的运算逻辑是怎么个实现的 首先是 ">" 运算符他的作用和数学上的 大于 相同,也是作为两个数的大小进行比较,如3>2,3肯定是大于2的,那么将会返回一个真条件,那如果是2>3,那么将会返回一个假条件,在c语言中,1代表真,0代表假,那么就是3>2返回1,2>3返回0 ">" 运算符和小于是相反的,和数学上面的比较方式类似 "==" 运算符在c语言中代表的是 "=" 打个比方就是1==1,将会返回一个真条件,就是1。如果是1==2那么将会返回0 另外的"<="以及">="同等与数学的 大于等于 和 小于等于。 "!=" 运算符表达的是不等于,也就是1!=1返回0,1!=2将会返回1。 上面是运算符------下面是if语句 if语句代表的就是c语言中的条件语句,写法: if(条件) { //条件为真后执行的代码区 } if语句中的条件值得就是上方的运算结果,打个比方: if(10>=9) { //条件为真后执行的代码区 printf("10>=9为真"); } 10>=9因为是正确的,最后会返回1,也就是真条件 接下来就是if中的else语句,写法: if(10>=9) { //条件为真后执行的代码区 printf("10>=9为真"); }else{ //条件为假后执行的代码区 printf("10>=9为假"); } else{}花括号中的代码在假条件时会被执行,但是10>=9是真条件,所以else花括号中的代码永远不会被执行 那么改成这样: if(10<=9) { //条件为真后执行的代码区 printf("10<=9为真"); }else{ //条件为假后执行的代码区 printf("10<=9为假"); } 因为10并不会小于等于9,所以条件为假,最后会执行的是else花括号中的代码,也就是printf("10<=9为假"); 最后就是else if()语句,这个语句代表的是:如果第一个if()中的条件未满足,那么将继续往下判断else if()中的条件是否为真: if(10<=9) { //条件为真后执行的代码区 printf("10<=9为真"); }else if(10>=9){ //条件为假后执行的代码区 printf("10>=9为真"); } 那么就是先判断10<=9是否未真,如果为真将会直接执行if(){}中的代码,如果为假,就会继续向下面的else if()中的条件进行判断是否为真,如果为真就执行else if()中的内容,如果为假则不执行。 当然if,else if以及else都是可以同时使用的: if(10<=9) { //条件为真后执行的代码区 printf("10<=9为真"); }else if(10>=9){ //条件为假后执行的代码区 printf("10>=9为真"); }else{ //上面条件全部为假 printf("上面条件全部为假"); } 这样写法就是当上面的if()以及else if()中的条件全部判断为假后将会执行else{}区块内的代码! ---最后是一点扩展内容--- c语言中的条件语句最后的结果都是0或者1,1==1最后会返回1,1==2最后会返回0,然而if()中写的条件最后也会变成0或者1。 if(1) { printf("条件为真"); } 那么这样写是不是也能执行呢?答案是可以的 我们可以写上两行代码来观测1==1最后返回的结果: int a = (1==1); printf("%d",a); 我这边调试最后打印的结果是1,也就是真条件。所以if()进行逻辑的判断
# 饮品自动售货机 # 利用函数实现显示饮品信息,计算销售总额 def all_goods(): goods={"可口可乐":3,"百事可乐":3,"冰红茶":2.5,"矿泉水":2,"脉动":4,"茉莉花茶":2.5} return goods def count_total(goods_dict): count=0 for name,num in goods_dict.items(): one_money=all_goods()[name]*num count+=one_money return f'需要支付的金额为{count}元' def show_goods(): print("*"*8,"商品列表","*"*8) for name,money in all_goods().items(): print("{}:{}元".format(name,money)) def select_goods(): select_list = {} while(True): select = input("输入要购买的商品名称(输入q结束) ") if select == "q": return select_list else: number = int(input("输入要购买的数量 ")) if(number < 1): print("请输入正确的数量") else: if(not select in all_goods()): print("请选择正确的商品") else: if(select in select_list): select_list[select] += number else: select_list[select] = number print("添加成功") def main(): #展示商品 show_goods() #循环购买商品(选商品,输数量)直到输入q退出 user_select_goods = select_goods() #计算总额 print(count_total(user_select_goods)) if __name__=='__main__': main()
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document2</title> <style> * { margin: 0; padding: 0; } .content { width: 980px; margin: 0 auto; } .top { height: 20px; background-color: #FF4400; } .mainbody { width: 9; height: 780px; background-color: rgb(255, 208, 0); position: relative; line-height: 780px; text-align: center; color: #fff; font-size: 50px; } .left { width: 750px; height: 220px; line-height: 220px; text-align: center; background-color: #000; color: #fff; position: absolute; left: 0; top: 0; } .right { position: absolute; height: 100%; width: 200px; background-color: green; right: 0; top: 0; } .bottom { height: 20px; background-color:blueviolet; } </style> </head> <body> <div class="content"> <div class="top">头部</div> <div class="mainbody"> mainbody <div class="left">left</div> <div class="right">right</div> </div> <div class="bottom">版权部分</div> </div> </body> </html>
一维数组定义方式为: int a[] = {0,1,2,3,4,5,...}; 或 int a[3] = {0,1,2}; 第一种定义方式没有指定元素数量,第二种固定三个元素进行传参,如果int a[4] = {0,1,2};,那么第四个元素默认是0 二维数组定义方式为: int a[][] = { {1,2,3}, {4,5,6}, {7,8,9} }; int a[][] 代表的是 要定义一个二维数组,=后面的值为二维数组的内容 a[0]输出结果为数组{1,2,3},a[1]输出结果为数组{4,5,6},那么a[0][1]输出为1,a[1][1]输出为4,a[1][1]输出为5 ----------以上是我觉得的---------- 和我学的PHP JS等语言不太一样的数组处理方式,深层逻辑我也不懂。 就以我学的PHP来说,PHP的数组定义: $a = []; 就是定义一个空数组 $a[] = 123; 就是将变量a数组的首个元素指定为123 $a[] = 123;$a[] = 456;将0键值的数据指定为123,将1键值的数据指定为456 --上面是PHP定义一维数组的基本方法-- PHP二维数组的定义方式和C语言也有一样的地方: $a = [ [1,2,3], [4,5,6], [7,8,9] ]; 定义和C语言一样的二维数组 当然也有不一样的地方: $a[0] = [0,1,2]; $a[1] = [3,4,5]; $a[2] = [6,7,8]; 这样定义出来也是一样的二维数组 ----------下面为我个人理解---------- 首先C语言的int a[][] = {{},{}}格式和PHP的$a = [[],[],[]]类似 int a[][] 代表的是 告诉系统要定义一个二维数组,=后面的值为二维数组的内容 而PHP可以直接指定一维数组的键值等于另外一个数组,从而达到二维数组的定义 只是自己做个笔记理解一下两个语言的数组定义方式以及不同,C我也是刚学不久不是很理解,就先写个笔记记录一下了
//final修饰的方法: 表明方法是最终方法,不能被重写 //final修饰的类: 表面类是最终类,不能被继承 //final修饰的变量: 表面变量为常量,不能在程序中被重新赋值 public class Test { public static void main(String[] args) { Zi z = new Zi(); Fu f = new Fu(); z.getPi(); //调用Fu类中无法被重写的getPi方法 System.out.println("=========================="); z.sum(5,6); //调用子类中被重写的sum方法 System.out.println("=========================="); //变量使用final修饰后无法被修改,变成常量,常量单词一般全大写组成。单词之间使用下划线隔开 //常量类型为基本数据类型时,记录的值不能发生改成。byte、char、short、int、long、float、double、boolean //常量类型为引用数据类型时,记录的地址值不能发生改变,内部的属性值可以改变。 //如对象使用final修饰后,还是可以调用set方法修改对象中的属性 final int A = 10; // A = 12; //报错,因为A是常量。无法修改,在定义时就必须完成赋值 System.out.println(A); } } class Fu { public final void getPi() { System.out.println("我是被final修饰的getPi方法,位于Fu类中"); System.out.println("3.14159265358979323846"); } public void sum(int a, int b) { System.out.println("我是没被final修饰的sum方法,位于Fu类中"); System.out.println(a+b); } } class Zi extends Fu { //sum方法没有被final修饰,可以被重写 @Override public void sum(int a, int b) { System.out.println("我是没被final修饰的sum方法,位于Zi类中"); System.out.println(a+b); } //getPi方法被final修饰,不能被重写,报错 // @Override // public final void getPi() { // System.out.println("我是被final修饰的getPi方法,位于Fu类中"); // System.out.println("3.14159265358979323846"); // } }
import java.util.Scanner; //使用字符串截取,得到身份证基本信息 public class demo2 { public static void main(String[] args) { Scanner sc = new Scanner(System.in); System.out.println("输入身份证号码"); String idCard = sc.next(); String start_year = idCard.substring(6,10); String start_month = idCard.substring(10,12); String start_day = idCard.substring(12,14); char sex = idCard.charAt(16); int num = sex + '0'; //使用ASCII特性,将截取到的字符转化为int类型 if(num % 2 == 0) { sex = '女'; }else{ sex = '男'; } // System.out.println('a' + 0); 查看ASCII对应的值 System.out.println(start_year + "年" + start_month + "月" + start_day + "日" + "\n性别:" + sex); } }
首先常用的格式化输出有: 使用 % 占位符输出,常用的占用符可以在贴图中查看 用法: name = "Chumo" font = "My Name Is %s" print(font % (name)) 这里用的是%s字符串占位符,string的首字符s 使用%d输出整数: age = 19 font = "今年%d岁" print(font % (age)) 多个参数用法: name = "Chumo" age = 19 font = "我是%s今年%d岁" print(font % (name,age)) 上面就是基本的占位符输出用法 接下来就是使用 format 格式化 用法: age = 19 font = "今年{}岁" print(font.format(age)) 扩展:使用位置和关键字参数 print('我的名字是 {0}, 我的年龄是 {1}'.format(name,age)) print('我的名字是 {name}, 我的年龄是 {age}'.format(name="Chumo",age=18)) 上面是基本的format格式化输出方法 然后是 f-string 格式化输出方法 用法: name = 'chumo' age = 18 print(f'我的名字是 {name}, 我的年龄是 {age}') 要注意print函数中的 f 字符,在输出内容前加一个f字符,就可以直接将变量在字符串中调用{name} 上面是三种常用的格式化输出变量方式 接下来就是输出字符保留N位小数点方式: 首先说的是 % 占位符输出保留小数点的写法,首先保留小数点肯定是需要一个浮点型的数据,这边浮点数据用的是%f也就是float的首字符f来表示: name = 'chumo' age = 18.43 print(f'我的名字是 {name}, 我的年龄是 %f' % (age)) 输出结果为:我的名字是 chumo, 我的年龄是 18.430000 默认是保留小数点后面6位数据,怎么让他只保留两位呢? 我们可以用 %.2f 的方式保留两位小数: name = 'chumo' age = 18.43 print(f'我的名字是 {name}, 我的年龄是 %.2f' % (age)) 最后输出的结果为:我的名字是 chumo, 我的年龄是 18.43 想要保留更多小数可以在%.2f中修改数字大小来实现:%.3f就是保留三位 接下来就是format函数保留小数点的方法: age = 18.43 print('我的年龄是{:.2f}'.format(age)) 用的是 {:.2f} 保留两位小数的写法 前面的 : 符号是什么意思呢? 其实看下面这个例子就会知道: name = 'chumo' age = float(18.43) print('我的名字是 {name}, 我的年龄是{age:.1f}'.format(name=name,age=age)) 可以看到用的是{age:.1f}的方式输出保留小数点后一位 里面的 : 就是将 age 与后面的小数点长度区分开来 最后是第三种方法f-string格式化(python3.6以后的版本中可以使用) name = 'chumo' age = 18.43 age = round(age,1) print(f'名称{name}年龄{age}') 这种方法我前面介绍过了,是不需要区分数据类型就可以直接进行输出的 需要用到 round 函数处理浮点数保留的位数
#include <REGX52.H> //????: sbit LCD_RS=P2^6; sbit LCD_RW=P2^5; sbit LCD_EN=P2^7; #define LCD_DataPort P0 //????: /** * @brief LCD1602????,12MHz?????1ms * @param ? * @retval ? */ void LCD_Delay() { unsigned char i, j; i = 2; j = 239; do { while (--j); } while (--i); } /** * @brief LCD1602??? * @param Command ?????? * @retval ? */ void LCD_WriteCommand(unsigned char Command) { LCD_RS=0; LCD_RW=0; LCD_DataPort=Command; LCD_EN=1; LCD_Delay(); LCD_EN=0; LCD_Delay(); } /** * @brief LCD1602??? * @param Data ?????? * @retval ? */ void LCD_WriteData(unsigned char Data) { LCD_RS=1; LCD_RW=0; LCD_DataPort=Data; LCD_EN=1; LCD_Delay(); LCD_EN=0; LCD_Delay(); } /** * @brief LCD1602?????? * @param Line ???,??:1~2 * @param Column ???,??:1~16 * @retval ? */ void LCD_SetCursor(unsigned char Line,unsigned char Column) { if(Line==1) { LCD_WriteCommand(0x80|(Column-1)); } else if(Line==2) { LCD_WriteCommand(0x80|(Column-1+0x40)); } } /** * @brief LCD1602????? * @param ? * @retval ? */ void LCD_Init() { LCD_WriteCommand(0x38);//??????,????,5*7?? LCD_WriteCommand(0x0c);//???,???,??? LCD_WriteCommand(0x06);//???????,??????,???? LCD_WriteCommand(0x01);//????,?? } /** * @brief ?LCD1602??????????? * @param Line ???,??:1~2 * @param Column ???,??:1~16 * @param Char ?????? * @retval ? */ void LCD_ShowChar(unsigned char Line,unsigned char Column,char Char) { LCD_SetCursor(Line,Column); LCD_WriteData(Char); } /** * @brief ?LCD1602????????????? * @param Line ?????,??:1~2 * @param Column ?????,??:1~16 * @param String ??????? * @retval ? */ void LCD_ShowString(unsigned char Line,unsigned char Column,char *String) { unsigned char i; LCD_SetCursor(Line,Column); for(i=0;String[i]!='\0';i++) { LCD_WriteData(String[i]); } } /** * @brief ???=X?Y?? */ int LCD_Pow(int X,int Y) { unsigned char i; int Result=1; for(i=0;i<Y;i++) { Result*=X; } return Result; } /** * @brief ?LCD1602???????????? * @param Line ?????,??:1~2 * @param Column ?????,??:1~16 * @param Number ??????,??:0~65535 * @param Length ????????,??:1~5 * @retval ? */ void LCD_ShowNum(unsigned char Line,unsigned char Column,unsigned int Number,unsigned char Length) { unsigned char i; LCD_SetCursor(Line,Column); for(i=Length;i>0;i--) { LCD_WriteData(Number/LCD_Pow(10,i-1)%10+'0'); } } /** * @brief ?LCD1602??????????????????? * @param Line ?????,??:1~2 * @param Column ?????,??:1~16 * @param Number ??????,??:-32768~32767 * @param Length ????????,??:1~5 * @retval ? */ void LCD_ShowSignedNum(unsigned char Line,unsigned char Column,int Number,unsigned char Length) { unsigned char i; unsigned int Number1; LCD_SetCursor(Line,Column); if(Number>=0) { LCD_WriteData('+'); Number1=Number; } else { LCD_WriteData('-'); Number1=-Number; } for(i=Length;i>0;i--) { LCD_WriteData(Number1/LCD_Pow(10,i-1)%10+'0'); } } /** * @brief ?LCD1602????????????????? * @param Line ?????,??:1~2 * @param Column ?????,??:1~16 * @param Number ??????,??:0~0xFFFF * @param Length ????????,??:1~4 * @retval ? */ void LCD_ShowHexNum(unsigned char Line,unsigned char Column,unsigned int Number,unsigned char Length) { unsigned char i,SingleNumber; LCD_SetCursor(Line,Column); for(i=Length;i>0;i--) { SingleNumber=Number/LCD_Pow(16,i-1)%16; if(SingleNumber<10) { LCD_WriteData(SingleNumber+'0'); } else { LCD_WriteData(SingleNumber-10+'A'); } } } /** * @brief ?LCD1602???????????????? * @param Line ?????,??:1~2 * @param Column ?????,??:1~16 * @param Number ??????,??:0~1111 1111 1111 1111 * @param Length ????????,??:1~16 * @retval ? */ void LCD_ShowBinNum(unsigned char Line,unsigned char Column,unsigned int Number,unsigned char Length) { unsigned char i; LCD_SetCursor(Line,Column); for(i=Length;i>0;i--) { LCD_WriteData(Number/LCD_Pow(2,i-1)%2+'0'); } } 调用函数显示具体内容即可 .h文件老样子在贴图里面
#include <REGX52.H> #include <INTRINS.H> #include "app/Timer0.h" sbit left_lun_1 = P0^2; sbit left_lun_2 = P0^3; sbit right_lun_1 = P0^0; sbit right_lun_2 = P0^1; unsigned char SBUFs,DIAN_state; void UART_init(){ //9600bps@11.0592MHz SCON = 0x50; PCON |= 0x80; TMOD |= 0x20; //设置定时器模式 TL1 = 0xFA; //设定定时初值 TH1 = 0xFA; //设定定时初值 ES = 1; //开启接受 EA = 1; ET1 = 0; TR1 = 1; //定时器1开始计时 } void main (){ UART_init(); //初始化定时器1 Timer0Init(); //初始化定时器0 left_lun_1 = 0;left_lun_2 = 0;right_lun_1 = 0;right_lun_2 = 0; //默认状态 while(1){ } } void Delay1000us() //@11.0592MHz { unsigned char i, j; _nop_(); _nop_(); i = 200; j = 105; do { while (--j); } while (--i); } void UART_Routine() interrupt 4 { RI = 0; //SBUF为接受到的信息 SBUFs = SBUF; } void Timer0_Routine() interrupt 1 { static unsigned int T0Count; TL0 = 0x18; //设置定时初值 TH0 = 0xFC; //设置定时初值 T0Count++; if(T0Count >= 1000)T0Count = 0; if(SBUFs == 0x00){ //停止 left_lun_1 = 0;left_lun_2 = 0;right_lun_1 = 0;right_lun_2 = 0; DIAN_state = 0; } if(SBUFs == 0xFF){ //取消转弯 if(DIAN_state == 0) SBUFs = 0x00; if(DIAN_state == 1) SBUFs = 0x01; if(DIAN_state == 2) SBUFs = 0x02; } if(SBUFs == 0x01){ //前进 left_lun_1 = 0;left_lun_2 = 1;right_lun_1 = 0;right_lun_2 = 1; DIAN_state = 1; } if(SBUFs == 0x02){ //后退 left_lun_1 = 1;left_lun_2 = 0;right_lun_1 = 1;right_lun_2 = 0; DIAN_state = 2; } if(SBUFs == 0x03){ //转弯 左 right_lun_1 = 0;right_lun_2 = 1; if(DIAN_state == 1){ if(T0Count >= 4){ T0Count = 0; left_lun_1 = 0;left_lun_2 = 1; }else{ left_lun_1 = 0;left_lun_2 = 0; } }else if(DIAN_state == 2){ if(T0Count >= 4){ T0Count = 0; right_lun_1 = 1;right_lun_2 = 0; }else{ right_lun_1 = 0;right_lun_2 = 0; } } } if(SBUFs == 0x04){ //转弯 右 left_lun_1 = 0;left_lun_2 = 1; if(DIAN_state == 1){ if(T0Count >= 4){ T0Count = 0; right_lun_1 = 0;right_lun_2 = 1; }else{ right_lun_1 = 0;right_lun_2 = 0; } }else if(DIAN_state == 2){ if(T0Count >= 4){ T0Count = 0; left_lun_1 = 1;left_lun_2 = 0; }else{ left_lun_1 = 0;left_lun_2 = 0; } } } } P0口接了四个电机,0-3接口接两个电机,另外两个共享电源 前面调用了定时器0的void
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document1</title> <style> a { color: #333; text-decoration: none; } .box { width: 360px; border: 1px solid #ddd; position: relative; padding: 15px; box-sizing: border-box; } .box a:hover .title { color: #339999; text-decoration: underline; } .box a:active .title { font-size: 30px; text-decoration: underline; } .box a:focus .title { color: pink; } .top_up { position:absolute; left: 0; top: 0; } .adimg { width: 100%; } .title { color: #3e3e3e; font-size: 15px; } .shopinfo { position: relative; height: 100px; } .price { position: absolute; color: rgb(221, 93, 34); font-size: 36px; font-weight: bold; top: 20px; } .priceold { position: absolute; top: 42px; left: 118px; color: #888; font-size: 14px; } .view { position: absolute; right: 0; top: 20px; } .buycount { position: absolute; right: 0; top: 52px; font-size: 13px; } .buycount i { color: red; font-style: normal; } </style> </head> <body> <div class="box"> <a href="#"> <img class="top_up" src="./images/top_tu.gif" alt=""> <img class="adimg" src="./images/adv.jpg" alt=""> <p class="title">【12店通用】领航冰品哈根达斯:冰淇淋双球,口味任选2种,节假通用 超链接效果设置</p> <div class="shopinfo"> <span class="price">¥20.8</span> <span class="priceold">原价¥38</span> <img class="view" src="./images/see.jpg" alt=""> <span class="buycount"><i>32</i>人已购买</span> </div> </a> </div> </body> </html>
//StringBuilder类型示例 public class demo3 { public static void main(String[] args) { //StringBuilder 定义的数据是可改变的 //String 定义的数据是不可改变的,每次覆盖都会产生新的变量 StringBuilder strb1 = new StringBuilder("1123"); //必须使用new方法进行赋值,数据存储在堆中 strb1.append("abc"); //使用append在str1后面添加新的数据,类似一个伪数组同样可以通过charAt的方式访问索引 System.out.println(strb1.charAt(5)); //返回5索引的字符 System.out.println(strb1); StringBuilder strb2 = new StringBuilder("ceshi123"); strb2.reverse(); //容器内的数据进行翻转 String str = strb2.toString(); //StringBuilder类型转为String类型,返回String类型数据 System.out.println(strb2); System.out.println(str); } }
<!DOCTYPE html> <html lang="zh"> <head> <meta charset="UTF-8"> <title>Document1</title> <style> * { margin: 0; padding: 0; } .main-box { width: 980px; margin: 0 auto; } .header { height: 68px; } .header .logo1 { float: left; } .header .logo2 { float: right; } .list-box { height: 320px; } .list-box ul { height: 400px; margin-top: 68px; } .list-box ul li { float: left; width: 20%; list-style: none; text-align: center; } </style> </head> <body> <div class="main-box"> <div class="header"> <img class="logo1" src="./images/t1/logo.jpg" alt="logo1"> <img class="logo2" src="./images/t1/logo2.jpg" alt="logo2"> </div> <div class="list-box"> <ul> <li> <img class="image" src="./images/t1/person1.jpg" alt=""> <p class="text">person1</p> </li> <li> <img class="image" src="./images/t1/person2.jpg" alt=""> <p class="text">person2</p> </li> <li> <img class="image" src="./images/t1/person3.jpg" alt=""> <p class="text">person3</p> </li> <li> <img class="image" src="./images/t1/person4.jpg" alt=""> <p class="text">person4</p> </li> <li> <img class="image" src="./images/t1/person5.jpg" alt=""> <p class="text">person5</p> </li> </ul> </div> </div> </body> </html>
如图快捷键
当监听的数据发生变化时将会执行函数内容 watch: { textInfo:function(newData, oldData){...} } newData代表更新之后的变量信息,oldData代表更新之前的数据信息,textInfo代表的是要监听的对象
<?php /** * 功能:PDO连接数据库操作函数封装 */ class PDO_SQL { public function __construct($pdo_config) { $sql_info="{$pdo_config['dbms']}:host={$pdo_config['host']};dbname={$pdo_config['db']}"; try { $this->pdo_connect = new PDO($sql_info, $pdo_config['user'], $pdo_config['pwd']); } catch (PDOException $e) { die ("Error!: " . $e->getMessage()); } #PDO连接数据库 } public function PDO_get_array($sql_code,$parameter=[]){ /* $sql_code - SQL语句 $parameter - 预处理参数 */ $stmt = ($this->pdo_connect)->prepare($sql_code); $stmt->execute($parameter); $row = $stmt->fetch(PDO::FETCH_ASSOC); return $row; } #获取一条数据返回数组 public function PDO_input_prepare($sql_code,$parameter=[],$mod=0){ /* $sql_code - SQL语句 $parameter - 预处理参数 $mod - 处理模式 */ $stmt = ($this->pdo_connect)->prepare($sql_code); $stmt->execute($parameter); if($mod == 1) { #预处理:执行SQL语句 return $stmt->rowCount(); }else{ #预处理:获取数据列表 $list = null; while($row = $stmt->fetch(PDO::FETCH_ASSOC)) $list[] = $row; if(is_array($list)){ return $list; }else{ return "Empty Data"; } } } #sql预处理函数 } ?> PDO_get_array -- 获取一条数据返回数组 PDO_input_prepare -- sql预处理函数:发送命令与获取列表
作业一列表 user = ["zhangsan","lisi","wangwu"] userTel = ["15258987777","13868998587","13448745698"] print("""********操作目录******** 1.添加会员信息 2.删除会员信息 3.查看所有会员信息 4.退出程序""") while True: option = input("输入操作编号") if option == "1": print("*"*8,"添加会员","*"*8) input_user = input("输入会员账号: ") input_userTel = input("输入会员手机: ") if not input_user in user: user.append(input_user) userTel.append(input_userTel) print("添加完毕") else: print("用户已存在") elif option == "2": print("*"*8,"删除会员","*"*8) input_user = input("输入用户账号: ") if input_user in user: user_index = user.index(input_user) user.pop(user_index) userTel.pop(user_index) print("删除完毕") else: print("用户不存在") elif option == "3": print("*"*8,"全部会员","*"*8) for i in range(len(user)): print("用户账户: ",user[i],"用户手机号: ",userTel[i]) elif option == "4": break else: print("编号无效") 作业二字典 userList = {"zhangsan":"123456","lisi":"12345678"} print("""********操作目录******** 1.添加会员信息 2.删除会员信息 3.查看所有会员信息 4.退出程序""") while True: option = input("输入操作编号") if option == "1": print("*"*8,"添加会员","*"*8) input_user = input("输入会员账号: ") input_userPwd = input("输入会员密码: ") if not input_user in userList.keys(): userList[input_user] = input_userPwd print("添加成功") else: print("用户已存在") elif option == "2": print("*"*8,"删除会员","*"*8) input_user = input("输入用户账号: ") if input_user in userList.keys(): userList.pop(input_user) print("删除完毕") else: print("用户不存在") elif option == "3": print("*"*8,"全部会员","*"*8) for i in userList.keys(): print("用户账户: ",i," 用户密码: ",userList[i]) elif option == "4": print("*"*8,"退出程序","*"*8) break else: print("编号无效")
public class java20221219 { private int a = 10; } 使用private 修饰的变量或方法只能在当前类中才能访问和修改
import java.util.Scanner; //统计字符串信息 public class demo2 { public static void main(String[] args) { System.out.println("请输入字符串"); Scanner sc = new Scanner(System.in); String input = sc.next(); int count = input.length(); //字符个数 int numberCount = 0; //数字计算 int smallCount = 0; //字母计算 int elseCount = 0; //其他字符 for (int i=0;i<count;i++) { char s = input.charAt(i); if((s >= 'a' && s <= 'z') || (s >= 'A' && s <= 'Z')) { //char类型的变量在参与计算或判断大小的时候会自动转为int类型,对应的值为ASCII码 smallCount++; }else if(s >= 48 && s <= 57) { //48 - 57 在ASCII码中对应0-9,s在判断大小时会自动转为ASCII码 numberCount++; }else { elseCount++; } } System.out.println("总字符数量:" + count); System.out.println("数字数量:" + numberCount); System.out.println("字幕数量:" + smallCount); System.out.println("其他字符数量:" + elseCount); } }