import 'package:dio/dio.dart';

import 'dart:convert';

class BaseRequest {

/*分页默认起始页*/

  static final intkStartIndex =1;

  /*分页默认每一页数量*/

  static final intkPageSize =10;

  /*请求成功*/

  static final intkCodeSuccess =0;

  /*请求地址*/

  static final StringkHttpHostName ="http://127.0.0.1:8080";

  /*登录*/

  static final StringkUrlAccountLogin =kHttpHostName +"/user/login";

  static requestWithUrl(String url, Map parameters, successBlock(int code, String message, Object data), errorBlock(error))async {

try {

Dio dio =new Dio();

      Response response =await dio.request(

url,

          queryParameters: parameters,

          options:Options(

method:"POST"

          )

);

      print("请求地址：" + url);

      print("请求参数：" + parameters.toString());

      print("返回参数：" + response.toString());

      Map map = json.decode(response.toString());

      int code = map["code"];

      String msg = map["msg"];

      Object data = map["data"];

      return successBlock(code,msg,data);

    }on DioErrorcatch (error) {

print("请求地址：" + url);

      print("请求参数：" + parameters.toString());

      print("请求报错：" + error.toString());

      return errorBlock(error);

    }

}

}

调用：

BaseRequest.requestWithUrl(BaseRequest.kUrlAccountLogin, {

"account":"18761661234",

  "password":"111111"

}, (int code, String message, Object data) {

if (code == BaseRequest.kCodeSuccess) {

  }else {

  }

}, (error) {

});