<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>交互</title>
<script src="https://unpkg.com/vue"></script>
<script src="vue-resource.js"></script> <!-- ajax(数据交互接口) -->
</head>
<body>
<div id="app">
<input type="submit" value="确定获取数据" @click="getadd()">
</div>
</body>
</html>

<script>
var app = new Vue({
el:'#app',
data: {},
methods: {
getadd: function()
{
// post 传参数 需要加 {emulateJSON:true}
this.$http.post('in.php',{a:1,b:2},{emulateJSON:true}).then( (res) => {
console.log(res.data)
} )

// get传参数 需要 {params: {你传的值}}
this.$http.get('getin.php',{params: {a:1,b:2}}).then( (res) => {
console.log(res.data)
})

// jsonp 传参数
this.$http.jsonp("https://sug.so.360.cn/suggest",{params:{word:'a'}}).then( (res)=>{
console.log(res.data.s)
})
}
}
})
</script>

in.php
<?php
$a = $_GET['a'];
$b = $_GET['b'];
echo $a.'---'.$b;
?>