ajax:前端页面和后台数据做交互
把后台数据输出到前台
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<div id="app">
<router-link to="/home">首页</router-link>
<router-link to="/user">用户页</router-link>
<router-view></router-view>
</div>
<script src="dist/vue.js"></script>
<script src="dist/vue-router.js"></script>
<script src="dist/axios.js"></script>
<script>
var home={
template:`
<h1>我是首页</h1>
`
}
var user={
template:`
<div>
<h1>我是用户页</h1>
<table border=1 cellspacing=0>
<thead>
<tr>
<th>编号</th>
<th>品名</th>
<th>单价</th>
<th>数量</th>
<th>小计</th>
</tr>
</thead>
<tbody>
<tr v-for="value in list">
<td>{{value.num}}</td>
<td>{{value.pname}}</td>
<td>{{value.price}}</td>
<td>{{value.count}}</td>
<td>{{value.sub}}</td>
</tr>
</tbody>
</table>
</div>
`,
data:function(){
return{
list:null
}
},
mounted:function(){
var rsel=this
axios({
method:'get',
url:'fruit.json'
}).then(function(resp){
console.log(resp.data)
rsel.list=resp.data
}).catch(function(err){
console.log(err)
})
}
}
const routes=[
{path:'/',component:home},
{path:'/home',component:home},
{path:'/user',component:user}
]
const router=new VueRouter({
routes:routes
})
new Vue({
el:'#app',
router:router
})
</script>
</body>
</html>
[
{
"num":1,
"pname":"apple",
"price":3,
"count":2,
"sub":6
},
{
"num":2,
"pname":"pear",
"price":4,
"count":3,
"sub":12
},
{
"num":3,
"pname":"banana",
"price":5,
"count":4,
"sub":20
}
]
