1.v-for制作表格
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
table{
width: 600px;
border: 2px solid orange;
text-align: center;
}
thead{
background-color: orange;
}
</style>
</head>
<body>
<div id="app">
<table>
<thead>
<tr>
<td>姓名</td>
<td>年龄</td>
<td>性别</td>
</tr>
</thead>
<tbody>
<tr v-for="p in persons">
<td>{{p.name}}</td>
<td>{{p.age}}</td>
<td>{{p.sex}}</td>
</tr>
</tbody>
</table>
</div>
<script src="../js/vue.min.js"></script>
<script>
new Vue({
el:'#app',
data:{
persons:[
{name:'张三',age:18,sex:'男'},
{name:'李四',age:28,sex:'女'},
{name:'王五',age:23,sex:'男'},
{name:'赵六',age:30,sex:'女'},
]
}
})
</script>
</body>
</html>
效果图：
image.png
- v-bind案例，包含v-for,给类进行绑定
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
.active{
background-color: orange;
font-size: 20px;
color: #fff;
}
</style>
</head>
<body>
<div id="app">
<!--给类动态绑定-->
<!--<p v-for="(college, index) in colleges" :class="index === 2 ? 'active':''">-->
<p v-for="(college, index) in colleges" :class="index === activeIndex ? 'active':''">
{{college}}
</p>
<p :style="{color:fontColor}">今天天气很好</p>
</div>
<script src="../js/vue.min.js"></script>
<script>
new Vue({
el:'#app',
data:{
colleges:[
'IOS学院',
'Java学院',
'HTML学院',
'UI学院',
'C++学院'
],
activeIndex:3,
fontColor:'green'
}
})
</script>
</body>
</html>
效果图：
image.png
- 综合小练习（学生录入系统）
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
#app{
margin: 50px auto;
width: 600px;
}
fieldset{
border: 1px solid orange;
margin-bottom: 20px;
}
fieldset input{
width: 200px;
height: 30px;
margin: 10px 0;
}
table{
width: 600px;
border: 2px solid orange;
text-align: center;
}
thead{
background-color: orange;
}
</style>
</head>
<body>
<div id="app">
<!--第一部分-->
<fieldset>
<legend>拇指哥学生录入系统</legend>
<div>
<span>姓名：</span>
<input type="text" placeholder="请输入姓名" v-model="newStudent.name">
</div>
<div>
<span>年龄：</span>
<input type="text" placeholder="请输入年龄" v-model="newStudent.age">
</div>
<div>
<span>性别：</span>
<select v-model="newStudent.sex">
<option value="男">男</option>
<option value="女">女</option>
</select>
</div>
<div>
<span>手机：</span>
<input type="text" placeholder="请输入手机号码" v-model="newStudent.phone">
</div>
<button @click="createNewStudent()">创建新用户</button>
</fieldset>
<!--第二部分-->
<table>
<thead>
<tr>
<td>姓名</td>
<td>性别</td>
<td>年龄</td>
<td>手机</td>
<td>删除</td>
</tr>
</thead>
<tbody>
<tr v-for="(p,index) in persons">
<td>{{p.name}}</td>
<td>{{p.sex}}</td>
<td>{{p.age}}</td>
<td>{{p.phone}}</td>
<td>
<button @click="deleteStudentMsg(index)">删除</button>
</td>
</tr>
</tbody>
</table>
</div>
<script src="../js/vue.min.js"></script>
<script>
new Vue({
el: '#app',
data: {
persons: [
{name: '张三', age: 20, sex: '男', phone: '198895579'},
{name: '李四', age: 30, sex: '女', phone: '156895579'},
{name: '王五', age: 20, sex: '男', phone: '168895579'},
{name: '赵六', age: 25, sex: '女', phone: '178895579'}
],
newStudent: {name: '', age: 0, sex: '男', phone: ''}
},
methods: {
//创建一条新纪录
createNewStudent(){
//姓名不能为空
if(this.newStudent.name ===''){
alert('姓名不能为空');
return ;
}
//年龄不能小于0
if(this.newStudent.age <= 0){
alert('年龄不能小于0');
return ;
}
//手机号码
if(this.newStudent.phone ===''){
alert('手机号码不正确');
return ;
}
//往数组中添加一条新纪录
this.persons.unshift(this.newStudent)
//清空数据
this.newStudent = {name: '', age: 0, sex: '男', phone: ''}
},
//删除一条学生记录
deleteStudentMsg(index){
this.persons.splice(index,1);
}
}
})
</script>
</body>
</html>
效果图：
image.png
