$.ajax({
          type: "POST",timeout: 10000,// 超时时间 10 秒
          headers: {
           'token': U2PGBjguSuJgversion1.0from"testhttp://www.yctech.com/api/loginusername":username,password:password},dataType: jsonif(data.code==111111){
            layui.use(layer'var layer = layui.layer;

                          layer.msg(data.msg,{icon:1});
             });

        }else 000000){

            layui.use(});
                    });
                    setTimeout(() => {

                        closeLayui();
            },700);

        $(#login).hide();

        $(#exit).show();

        $(#user).html(data.data.nickName);

        }

          },error: function(XMLHttpRequest,textStatus,errorThrown) {
            console.log(XMLHttpRequest.status);
                    console.log(XMLHttpRequest.readyState);
                    console.log(textStatus);
          },complete: function(XMLHttpRequest,status) { 请求完成后最终执行参数　
          }
      })
       }