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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>
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
# 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()
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"> <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>
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
<!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>
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
v-bind主要用于绑定一个或多个属性值，或者向另一个组件传递props值。 <view v-html="html" :style="sty"> data() { return { sty: "background: red;color:#fff" } } 主要写法在上面所示 完整写法是v-bind:style="sty"缩写::style="sty" 一般用于绑定标签属性
<?php /** * 功能:图片压缩 */ class imgcompress { private $src; private $image; private $imageinfo; private $percent = 0.5; /** * 图片压缩 * @param $src 源图 * @param float $percent 压缩比例 */ public function __construct($src, $percent=1) { $this->src = $src; $this->percent = $percent; } /** 高清压缩图片 * @param string $saveName 提供图片名（可不带扩展名，用源图扩展名）用于保存。或不提供文件名直接显示 */ public function compressImg($saveName='') { $this->_openImage(); if(!empty($saveName)) $this->_saveImage($saveName); //保存 else $this->_showImage(); } /** * 内部：打开图片 */ private function _openImage() { list($width, $height, $type, $attr) = getimagesize($this->src); $this->imageinfo = array( 'width'=>$width, 'height'=>$height, 'type'=>image_type_to_extension($type,false), 'attr'=>$attr ); $fun = "imagecreatefrom".$this->imageinfo['type']; $this->image = $fun($this->src); $this->_thumpImage(); } /** * 内部：操作图片 */ private function _thumpImage() { $new_width = $this->imageinfo['width'] * $this->percent; $new_height = $this->imageinfo['height'] * $this->percent; $image_thump = imagecreatetruecolor($new_width,$new_height); //将原图复制带图片载体上面，并且按照一定比例压缩,极大的保持了清晰度 imagecopyresampled($image_thump,$this->image,0,0,0,0,$new_width,$new_height,$this->imageinfo['width'],$this->imageinfo['height']); imagedestroy($this->image); $this->image = $image_thump; } /** * 输出图片:保存图片则用saveImage() */ private function _showImage() { header('Content-Type: image/'.$this->imageinfo['type']); $funcs = "image".$this->imageinfo['type']; $funcs($this->image); } /** * 保存图片到硬盘： * @param string $dstImgName 1、可指定字符串不带后缀的名称，使用源图扩展名 。2、直接指定目标图片名带扩展名。 */ private function _saveImage($dstImgName) { if(empty($dstImgName)) return false; $allowImgs = ['.jpg', '.jpeg', '.png', '.bmp', '.wbmp','.gif']; //如果目标图片名有后缀就用目标图片扩展名 后缀，如果没有，则用源图的扩展名 $dstExt = strrchr($dstImgName ,"."); $sourseExt = strrchr($this->src ,"."); if(!empty($dstExt)) $dstExt =strtolower($dstExt); if(!empty($sourseExt)) $sourseExt =strtolower($sourseExt); //有指定目标名扩展名 if(!empty($dstExt) && in_array($dstExt,$allowImgs)){ $dstName = $dstImgName; }elseif(!empty($sourseExt) && in_array($sourseExt,$allowImgs)){ $dstName = $dstImgName.$sourseExt; }else{ $dstName = $dstImgName.$this->imageinfo['type']; } $funcs = "image".$this->imageinfo['type']; $funcs($this->image,$dstName); } /** * 销毁图片 */ public function __destruct(){ imagedestroy($this->image); } }
<!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>
#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
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
双绞线 同轴电缆 光纤电缆 无线传输介质 局域网 广域网 城域网 公用网 专用网 计算机功能可归纳为 资源共享 信息传输 提高系统的可靠性 分布处理 增强系统的扩充性 Internet(因特网)是全球最大链接能力最强.... TCP/IP是Internet最基本的协议，别名为网络通信协议 TCP传输层，IP网络层，TCP是可靠传输，UDP是不可靠传输 TCP主要用在通信，UDP一般用在视频 TCP/IP分为四层: 网络接口层 互连网络层 传输层 应用层 计算机特点: 运算速度快 精准度高 具有记忆和逻辑判断能力 程序运行自动化 一个完整的硬件系统由 运算器 控制器 存储器 输入设备 输出设备组成 病毒 隐蔽性 破坏性 寄生性 物联网 应用层 网络层 感知层
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> <style> * { margin: 0; padding: 0; } .main-box { width: 420px; margin: 20px auto; } .nav { background: #F5F5F5; height: 56px; border-top: 3px solid #333; } .nav .title { font-weight: normal; float: left; line-height: 56px; padding: 0 10px; box-sizing: border-box; background-color: #fff; border-right: 1px solid #333; } .nav .more { font-weight: normal; float: right; line-height: 56px; } </style> </head> <body> <div class="main-box"> <div class="nav"> <h3 class="title">娱乐热点·时尚热点</h3> <span class="more">更多<b>></b></span> </div> </div> </body> </html>
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
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
编写程序，从键盘输入列表，输出列表元素的平均值。其中平均值使用函数进行计算。 def get_input(): return input("请输入数据列表: ") def get_average(list): average = 0 for i in list: average += i average /= len(list) return average input_list = eval(get_input()) average = get_average(input_list) print(average)
/* 9600bps 11.0595MHz的单片机设置 */ 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 } /*下面为接收数据 void UART_Routine() interrupt 4 { RI = 0; //SBUF为接受到的信息 }
//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()); } }
绑定Vue内容前需要先在Vue中的data函数中声明好需要绑定的数据 v-html 主要用于显示html标签内容 用法:v-html="html" v-bind 主要用于绑定标签属性内容 用法:v-bind:style="style" v-on 主要用于绑定标签点击时触发的函数事件 用法:v-on:click="clicks" v-if Vue中的标签判断语句，如果条件为true标签会渲染在页面，如果为false那么标签会被隐藏 用法:v-if="条件" v-for 用于将数组渲染成列表 用法:<view v-for="(item,index) in list">{{item}}---{{index}}</view> v-model 用于双向绑定数据 用法:<input class="inp" v-model="input"/> ...
<?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
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
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")
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。
""" 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) """
给予一个css样式即可实现pre自动换行 pre { white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word; }
#include <REGX52.H> char key_16(){ unsigned char KeyNumber = 0; /*第一列*/ P1 = 0xF7; switch(P1){ case 0x77: while(P1 == 0x77); KeyNumber = 1; break; case 0xB7: while(P1 == 0xB7); KeyNumber = 5; break; case 0xD7: while(P1 == 0xD7); KeyNumber = 9; break; case 0xE7: while(P1 == 0xE7); KeyNumber = 13; break; } /*第二列*/ P1 = 0xFB; switch(P1){ case 0x7B: while(P1 == 0x7B); KeyNumber = 2; break; case 0xBB: while(P1 == 0xBB); KeyNumber = 6; break; case 0xDB: while(P1 == 0xDB); KeyNumber = 10; break; case 0xEB: while(P1 == 0xEB); KeyNumber = 14; break; } /*第三列*/ P1 = 0xFD; switch(P1){ case 0x7D: while(P1 == 0x7D); KeyNumber = 3; break; case 0xBD: while(P1 == 0xBD); KeyNumber = 7; break; case 0xDD: while(P1 == 0xDD); KeyNumber = 11; break; case 0xED: while(P1 == 0xED); KeyNumber = 15; break; } /*第四列*/ P1 = 0xFE; switch(P1){ case 0x7E: while(P1 == 0x7E); KeyNumber = 4; break; case 0xBE: while(P1 == 0xBE); KeyNumber = 8; break; case 0xDE: while(P1 == 0xDE); KeyNumber = 12; break; case 0xEE: while(P1 == 0xEE); KeyNumber = 16; break; } return KeyNumber; }
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