用mui.ajax从后台获取到的data怎么赋值给全局变量

Question

page_num={};mui.ajax('src/api/json/1.json',{                data:{                     page_number:'page_number',                     total_number:'total_number',                     jobs:'jobs'                 },                 dataType:'json',//服务器返回json格式数据                 type:'get',//HTTP请求类型                 timeout:10000,//超时时间设置为10秒；                 success:function(data){                     page_num=data;                                      }, });