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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>
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<!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>
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
<!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>
ASCII 控制字符 (字符编码: 0-31) 在ASCII码表中,前32个字符是不能用于打印控制的编码,而是用于控制像打印机一样的外围设备。 0-31ASCII码对应值在下方
需要使用Java中的Scanner类包: 在class上加入: import java.util.Scanner; 第二步骤就是将导入的包进行实体化调用: Scanner scanClass = new Scanner(System.in); 注意:这边只有 scanClass 是变量名称可以被更改,其他的都不可进行更改 最后就是调用这个类包: int input = scanClass.nextInt(); 这边的int是输入的参数为int整型 scanClass 是调用类的变量 完整代码示例: import java.util.Scanner; public class java20221216 { public static void main(String []args) { Scanner scanClass = new Scanner(System.in); /* 实体化类 */ System.out.print("请输入整数: "); float input = scanClass.nextInt(); System.out.println("输入的值为:" + input); } }
<!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>
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); } }
关于interrupt函数用法: void +函数名+interrupt +数字0~4 0 表示外部中断0 1 表示定时器/计数器(T0) 2 外部中断1 3 定时器/计数器(T1) 4 串行口 0 一般作为定时器中断使用 4 一般作为串口接收/发送数据 用法: void 函数名() interrupt 4
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</p> <p class="from">来自:星光影院网友</p> </div> </li> <li class="item"> <img class="portrice" src="./images/pic03.jpg" /> <div class="content-box"> <div class="userInfo"> <p class="userName">cocoke</p> <p class="date">2016-2-14 10:38:36</p> </div> <p class="text">星爷的每一部电影都很经典,重复地看过很多遍,每次都有更深刻的理解和更深的感悟,同样期待《美人鱼》。 来自:美团网网友</p> <p class="from">来自:美团网网友</p> </div> </li> </ul> </div> <div class="bottom-box"> <p class="b-nav"> <a href="#"> 公司简介 |</a> <a href="#"> 关于我们 |</a> <a href="#"> 联系我们 |</a> <a href="#"> 友情链接 |</a> <a href="#"> 招聘信息 |</a> <a href="#"> 产品答疑</a> </p> <p class="tip"><span class="red">免责声明:</span>本网站内容收集于互联网,电影时光网不承担任何由于内容的合法性及健康性所引起的争议和法律责任。欢迎大家对网站内容侵犯版权等不合法和不健康行为进行监督和举报。</p> </div> </div> </body> </html>
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//多态的其他使用 public class Test { public static void main(String[] args) { //a变量数据类型为Animal,是Dog类的父类型 //方法调用时: 编译看左边,运行看右边 //意思是进行编译函数的时候会先在左边的类型(Animal)中查找是否有这个方法,如果有再到右边的类型(Dog)中运行被重构的方法,如果未找到方法就会报错 //因为方法编译看左边的特性,如果调用方法时,左边类中没有,而右边类中有这个方法。因为编译看的是左边的类,所以右边的方法也无法被找到 Animal a = new Dog(); a.show(); //调用Dog中被重写的show方法 // a.eat(); 报错的代码,因为编译时在左边的Animal类中未发现这个方法 Animal b = new Cat(); b.show(); //调用Cat中被重写的show方法 //变量调用时: 编译看左边,运行也看左边 //如果左边的类中没有这个变量,那么这个变量将无法被找到 System.out.println(a.a); //a变量在Animal中可以被找到并编译,正常输出100 // System.out.println(a.b); //b变量在右边的Dog类中,无法被找到无法被编译,报错 System.out.println(b.a); ////a变量在Animal中可以被找到并编译,正常输出100 //======================================================================= //解决方法也很简单,直接转换为子类的数据类型即可 Dog d = (Dog) a; Cat c = (Cat) b; d.eat(); c.eat(); } } class Animal { //动物类 private String type = "动物"; int a = 100; public Animal() { } public Animal(String type) { this.type = type; } public String getType() { return type; } public void setType(String type) { this.type = type; } public void show() { System.out.println("动物类型为" + this.type); } } class Dog extends Animal { int b = 200; public Dog() { super("狗狗"); //调用父类构造函数 } public void eat() { System.out.println(super.getType() + "正在吃骨头"); } @Override public void show() { System.out.println("动物类型为" + super.getType()); } } class Cat extends Animal { int c = 300; public Cat() { super("猫猫"); //调用父类构造函数 } public void eat() { System.out.println(super.getType() + "正在吃猫粮"); } @Override public void show() { System.out.println("动物类型为" + super.getType()); } }
//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"); // } }
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Java数组创建方式 完整格式:数据类型[] 数组名 = new 数据类型[] {数组内容} 比如:int[] arr1 = new int[] {12,34,532}; 这样就定义了一个完整的数组格式 另外也可以用简写:int[] arr1 = {12,34,532}; 另外还有动态初始化的方式创建数组 完整格式:数据类型[] 数组名 = new 数据类型[数组类型] 比如:int[] arr1 = new int[3]; arr1[0] = 13; arr1[1] = 14; arr1[2] = 15; 先将数组动态创建完成,后期再进行输入录入 详细点的讲解可以看:http://notei.cn/user/note_see/60
<?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
# 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()
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
Python常用的循环函数是 while 和 for 先说明while循环的格式 while 循环条件: 代码段 如: i = 10 while i > 0: i-=1 print(i) 将会依次打印出9 - 0 for循环也是类似: for 临时变量 in 目标对象: 代码段 如: for i in [0,1,2,3]: print(i) 将会打印出数据集内全部数据 当然也可以依次遍历字符串如: for i in "Python Go": print(i) 将会依次打印单个字符结果 死循环用法: while True: 代码段 另外可以用: while(循环条件) 以及 for(i in "Python")这种用括号包含条件的方法
import java.util.Scanner; //String字符串练习 public class Main { public static void main(String[] args) { char[] ch = new char[] {97,98,99,100}; String s1 = new String(ch); //ASCII码转为字符 System.out.println(s1); String a1 = new String("abc"); String a2 = new String("abc"); System.out.println(a1 == a2); //false 比较的是在堆里面存储的地址值,new出来的地址值不同 //字符串比较时会进行比较存储的地址值 //new 出来的String记录在堆中,直接赋值的String记录在串池中 String b1 = "abc"; String b2 = "abc"; System.out.println(b1 == b2); //true 不使用new并且指定的数据一直,地址也会相同 String c1 = new String("abc"); String c2 = "abc"; System.out.println(c1 == c2); //false 地址不同 String d1 = new String("abc"); String d2 = "abc"; System.out.println(d1.equals(d2)); //true 使用equals方法强制对字符串内容进行比较 Scanner sc = new Scanner(System.in); //搭配输入信息使用 System.out.printf("输入信息: "); String inp = sc.next(); String e = new String("abc"); System.out.println(inp.equals(e)); } }
import random tripCode = input("行程码与核算(y/n):") card = input("是否有卡(y/n):") cardMoney = input("输入卡余额") if cardMoney.isdigit(): cardMoney = float(cardMoney) if tripCode == "y": if card == "y": if cardMoney >= 200: codeNumber = random.randint(10000,99999) print("取卡成功,卡号为",codeNumber) else: print("余额不足,请先充值") else: print("请先开卡") else: print("请先完成行程码和核算") else: print("余额输入错误")
%a 浮点数、十六进制数字和p-记数法(C99) %A 浮点数、十六进制数字和p-记法(C99) %c 一个字符(char) %C 一个ISO宽字符 %d 有符号十进制整数(int)(%e 浮点数、e-记数法 %E 浮点数、E-记数法 %f 单精度浮点数(默认float)、十进制记数法(%.nf 这里n表示精确到小数位后n位.十进制计数) %g 根据数值不同自动选择%f或%e. %G 根据数值不同自动选择%f或%e. %i 有符号十进制数(与%d相同) %o 无符号八进制整数 %p 指针 %s 对应字符串char*(%S 对应宽字符串WCAHR*(%u 无符号十进制整数(unsigned int) %x 使用十六进制数字0f的无符号十六进制整数 %X 使用十六进制数字0f的无符号十六进制整数 %% 打印一个百分号 特殊运用: %3d 要求宽度为3位,如果不足3位,在前方自动补空格 %03d 要求宽度为3位,如果不足3位,在前方自动补0 %-3d 要求宽度为3位,如果不足3位,在后方自动补空格 %.2f 小数点保留两位
import random def create(): randomArr = [] while len(randomArr) < 6: randNumber = random.randint(1,33) if not randNumber in randomArr: randomArr.append(randNumber) randomArr.append(random.randint(1,16)) return randomArr def getUserInput(): userInput = [] while len(userInput) < 6: red_input = input("请输入第%d个红色球号码: " % (len(userInput)+1)) if red_input.isdigit(): red_input = int(red_input) if red_input >=1 and red_input <= 33: if not red_input in userInput: userInput.append(red_input) else: print("这个号码已经被选过了") else: print("请输入1-33之间的红球号码") else: print("请输入正确的号码") while len(userInput) < 7: blue_input = input("请输入蓝色球号码: ") if blue_input.isdigit(): blue_input = int(blue_input) if blue_input >=1 and blue_input <= 16: userInput.append(blue_input) else: print("请输入1-16之间的蓝球号码") else: print("请输入正确的号码") return userInput def getRedCount(arr,userInput): redCount = 0 for i in range(len(arr)): if arr[i] == userInput[i]: redCount += 1 return redCount def getBlueCount(arr,userInput): blueCount = 0 if arr[len(arr)-1] == userInput[len(userInput)-1]: blueCount = 1 return blueCount def getResult(redCount, blueCount): if(redCount == 6 and blueCount == 1): return "一等奖,中奖1000万" elif(redCount == 6 and blueCount == 0): return "二等奖,中奖500万" elif(redCount == 5 and blueCount == 1): return "三等奖,中奖3000" elif((redCount == 5 and blueCount == 0) or (redCount == 4 and blueCount == 1)): return "四等奖,中奖200元" elif((redCount == 4 and blueCount == 0) or (redCount == 3 and blueCount == 1) or (redCount == 2 and blueCount == 1)): return "五等奖,中奖10元" elif((redCount == 1 and blueCount == 0) or blueCount == 1): return "六等奖,中奖5元" return "未中奖" #创建中奖号码 arrNumber = create() #得到用户输入 userInput = getUserInput() #计算红球中奖个数 redCount = getRedCount(arrNumber,userInput) print("红球中奖个数: ",redCount) #计算蓝球中奖个数 blueCount = getBlueCount(arrNumber,userInput) print("蓝球中奖个数: ",blueCount) #最终结果 result = getResult(redCount, blueCount) print("中奖号码为",arrNumber) print("你输入的号码为",userInput) print(result)
如果我们想通过一个成绩来得到等级: <span>{{ author.chengji >= 85 ? '优' : '良' }}</span> 可以在标签内渲染一个计算结果达到目的,不过这样会导致运算代码和其他标签内容混淆看起来很臃肿,我们可以通过Vue的计算属性computed来达到分开计算的方法: computed: { chengji:function() { return this.chengji >= 85 ? '优' : '良'; } } ><span>{{ chengji }}</span> 计算属性值会基于其响应式依赖被缓存,如果计算的参数没有发生改变,那么就会直接调用缓存中的结果,而不用再次调用函数获取结果 如果使用methods方法来计算的话,每当数据改变时页面会重新渲染,全部函数将全被执行
正则表达式基本的规则图 图片来自黑马程序员课程
<!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>
基本的逻辑比较运算符在前面笔记说过了 链接:http://notei.cn/note_see/64 这里主要是讲 与运算 或运算 非运算 学过一点电子逻辑门都应该有点概念的 与运算在C语言中用的符号是 "&&" 实际用法就是: if(10>=5 && 6<=5),顾名思义与逻辑就是要让两个逻辑同时为真最后才能返回真条件,反之就是假条件。 最后会返回的结果为0,为什么10>=5明明是真条件为什么会等于0呢?是因为6<=5是假条件导致整个运算结果也为假条件。 也可以多个条件一起进行运算if(1==1&&2==2&&3==3)多个条件一起运算也是可以的,如果三个条件都为真,那么最后会返回一个真条件,反之假条件。 或逻辑运算方式为只要有一个条件为真,那么最后就会返回真条件。反之全部为假条件,最后也只能返回假条件。符号为 "||" 用法为:if(1==1||2==3)。 非逻辑就是在条件的前面加一个 "!" 也就是小写的感叹号,让最后的逻辑取反。如果逻辑为真后加一个"!"条件将会变成假条件,反之为真。
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
Uni-App官网:https://uniapp.dcloud.net.cn/ 内置 配置项列表 globalStyle属性表 style属性表 软件生命周期 页面生命周期 等内容