//-----------------------Axios跨域请求-----------------------------------------
  devServer:{
    port:4000,//vue网页访问的端口
    host:"127.0.0.1",//vue网页访问的地址
    https:false,
    open:false,
    proxy: {
        ‘/sina‘: {  //为用于替换的的标识字符串
            target: ‘http://192.168.1.7‘,//Axios跨域请求的IP
            changeOrigin: true, 
            ws: true,
            pathRewrite: {
                ‘^/sina‘: ‘‘ //不用改
            }
        },
         
      }
  } 
  //-------------------------------------------------------------------

 //------------------Axios跨域 Post请求--------------------------------
      var params=new URLSearchParams();
      params.append(‘login‘,"admin");
      params.append(‘password‘,"admin");
      
      this.$axios.post(‘/sina/api/sessions‘, params)
      .then(function (response) {
        console.log(response);
        
      }.bind(this))
      .catch(function (error) {
        console.log(error);
      });
//--------------------------------------------------------------