错误：无法将参数类型“String”分配给参数类型“Uri”

Question

import 'dart:convert';

import 'package:http/http.dart' as http;



class RequestAssistants
{
  static Future<dynamic> getRequest(String url)  async
  {
    http.Response response = await http.get(url);

    try
    {
      if(response.statusCode == 200)
      {
        String jSonData = response.body;
        var decodeData = jsonDecode(jSonData);
        return decodeData;
      }
      else
      {
        return "failed";
      }

    }
    catch(exp)
    {
      return "failed";

    }
  }

}

<块引用>

错误：无法将参数类型“String”分配给参数类型“Uri”。 (argument_type_not_assignable at [user_app] lib/Assistants/requestAssistants.dart:13)