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| <!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <title></title> <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.5.0/dist/css/bootstrap.min.css" integrity="sha384-9aIt2nRpC12Uk9gS9baDl411NQApFmC26EwAOH8WgZl5MYYxFfc+NcPb1dKGj7Sk" crossorigin="anonymous"> <script src="https://cdn.jsdelivr.net/npm/jquery@3.5.1/dist/jquery.slim.min.js" integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj" crossorigin="anonymous"></script> <script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js" integrity="sha384-Q6E9RHvbIyZFJoft+2mJbHaEWldlvI9IOYy5n3zV9zzTtmI3UksdQRVvoxMfooAo" crossorigin="anonymous"></script> <script src="https://cdn.jsdelivr.net/npm/bootstrap@4.5.0/dist/js/bootstrap.min.js" integrity="sha384-OgVRvuATP1z7JjHLkuOU7Xw704+h835Lr+6QL9UvYjZE3Ipu6Tp75j7Bh/kR0JKI" crossorigin="anonymous"></script> <script src="https://cdn.jsdelivr.net/npm/vue"></script> </head> <body> <div id="app"> <div class="row" style="padding: 0.625rem;"> <div class="col-md-3" style="padding-top: 0.625rem;" style="padding-top: 0.625rem;"> <div class="card" style="width: 18rem; height: ;"> <div class="card-body"> <h5 class="card-title">普通的模板语法</h5> <h6 class="card-subtitle mb-2 text-muted">'{{}}'</h6> <p class="card-text">{{msg}}</p> <a href="#" class="card-link" onclick="app.msg= app.msg + ', 玻璃瓶里插满小小森林' ">加一句</a> <a href="#" class="card-link" onclick="app.msg = '竹篱上停留着蜻蜓'">复原</a> </div> </div> </div> <div class="col-md-3" style="padding-top: 0.625rem;"> <div class="card" style="width: 18rem;"> <div class="card-body"> <h5 class="card-title">绑定元素的属性</h5> <h6 class="card-subtitle mb-2 text-muted">v-bind:</h6> <p class="card-text" v-bind:title="de">鼠标放上来看看</p> <a href="#" class="card-link" onclick="app.de = '从前从前有个人爱你很久'">点一下再试试</a> <a href="#" class="card-link" onclick="app.de='但偏偏风渐渐把距离吹得好远'">同左边</a> </div> </div> </div> <div class="col-md-3" style="padding-top: 0.625rem;"> <div class="card" style="width: 18rem;"> <div class="card-body"> <h5 class="card-title">条件渲染</h5> <h6 class="card-subtitle mb-2 text-muted">v-if ; v-else</h6> <p class="card-text" v-if="flag">而我听见下雨的声音</p> <p class="card-text" v-else>想起你用唇语说爱情</p> <a href="#" class="card-link" onclick="app.flag = false">出现下一句</a> <a href="#" class="card-link" onclick="app.flag = true">复原</a> </div> </div> </div> <div class="col-md-3" style="padding-top: 0.625rem;"> <div class="card" style="width: 18rem;"> <div class="card-body"> <h5 class="card-title">循环普通变量</h5> <h6 class="card-subtitle mb-2 text-muted">v-for</h6> <p class="card-text" v-for="item in items"> {{item}} </p> <a href="#" class="card-link" onclick="app.items.push('好不容易')">好不容易</a> <a href="#" class="card-link" onclick="app.items.push('又能在多爱一天')">多爱一天</a> <a href="#" class="card-link" onclick="app.items = ['从前从前','有个人爱你很久','偏偏风渐渐把距离吹得好远']">复原</a> </div> </div> </div> <div class="col-md-3" style="padding-top: 0.625rem;"> <div class="card" style="width: 18rem;"> <div class="card-body"> <h5 class="card-title">循环对象</h5> <h6 class="card-subtitle mb-2 text-muted">v-for</h6> <p class="card-text">一个对象就够了,你还想遍历你的对象啊</p> <p class="card-text" v-for="item in items2"> {{item.title}} ----{{item.auther}} </p> <a href="#" class="card-link" onclick="app.items2.push({title: '床边故事',auther: '小周周'})">加一张专辑</a> <a href="#" class="card-link" onclick="app.items2.pop()">减一张专辑</a> </div> </div> </div> <div class="col-md-3" style="padding-top: 0.625rem;"> <div class="card" style="width: 18rem;"> <div class="card-body"> <h5 class="card-title">用户交互</h5> <h6 class="card-subtitle mb-2 text-muted">v-on</h6> <p class="card-text">{{msg2}}</p> <a href="#" class="card-link" v-on:click="test1">反转消息</a> <a href="#" class="card-link" v-on:dblclick="test2">双击看看</a> </div> </div> </div> <div class="col-md-3" style="padding-top: 0.625rem;"> <div class="card" style="width: 18rem;"> <div class="card-body"> <h5 class="card-title">用户输入</h5> <h6 class="card-subtitle mb-2 text-muted">v-model</h6> <p class="card-text"> <input type="text" v-model="msg3"/> <p>这里显示你输入的内容:{{msg3}}</p> </p> <a href="#" class="card-link" v-on:click="test3">一键输入我爱你</a> <a href="#" class="card-link" v-on:click="msg3 = ''">清空</a> </div> </div> </div> <div class="col-md-3" style="padding-top: 0.625rem;"> <div class="card" style="width: 18rem;"> <div class="card-body"> <h5 class="card-title">组件化</h5> <h6 class="card-subtitle mb-2 text-muted">一生二,二生四,四象生八卦,八卦衍万物</h6> <p class="card-text"> <p v-for="item in count"> <com1> </com1> </p> </p> <a href="#" class="card-link" onclick="app.count++">加一条</a> <a href="#" class="card-link" onclick="app.count--">减一条</a> </div> </div> </div> <h2 style="display: flex; margin: auto;">准备好了吗</h2> <p style="display: flex; margin: auto;"> 我们刚才简单介绍了 Vue 核心最基本的功能——本教程的其余部分将更加详细地涵盖这些功能以及其它高级功能,所以请务必读完整个教程! </p> </div> </div> </body> <script type="text/javascript"> let com2 = Vue.component('com2',{ template: '<h6>我是一个无聊的组件2</h6>' }) Vue.component('com1',{ template: `<h5>我是一个无聊的组件,<com2></com2></h5>`, components: { com2 } }) const app = new Vue({ el: "#app", data: { msg: '竹篱上停留着蜻蜓', msg2: '你爱我', msg3: '', count: 2, de: new Date(), flag: true, items: [ '从前从前', '有个人爱你很久', '偏偏风渐渐把距离吹得好远' ], items2: [ { title: '依然范特西', auther: '周婕纶' }, { title: '叶惠美', auther: '周杰伦' }, { title: '七里香', auther: '周杰棍' } ] }, methods:{ test1: function () { this.msg2 = this.msg2.split('').reverse().join('') }, test2: function () { let name,age; name=prompt("请问你叫什么名字?"); 将用户输入的结果赋给变量name*/ alert(name); age=prompt("你今年多大了?","请在这里输入年龄"); 讲用户输入的信息赋给变量age*/ alert(age) }, test3: function () { this.msg3 = '从前从前,有个人爱你很久' } } }) </script> </html>
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