将ajax的值赋给data,vue 2.0 methods 里ajax生成的数据，怎么赋值给data

var vm = new Vue({

el:'#all',

data:{

detail:[

{name:'五档',id:'0',iscur:true},

{name:'单价',id:'1',iscur:false},

{name:'数量',id:'2',iscur:false},

{name:'总价',id:'3',iscur:false},

],

info_in:[],

info_out:[]

},

mounted: function () {

var that = this;

$.ajax({

type:"GET",

url:"/trade_data",

data:{type:$_GET['type'],ext:$_GET['ext']},

dataType:"json",

success: function(result) {

that.info_in=result.in;

that.info_out=result.out;

}

})

}

})