如果答案是简单的话,我将不胜感激。我是个初学者。
以下是我的完整项目代码:
我的错误是:
E/flutter (17497): [ERROR:flutter/lib/ui/ui_dart_state.cc(209)] Unhandled Exception: type 'Null' is not a subtype of type 'String'
E/flutter (17497): #0 new Welcome.fromJson (package:getx_5_rest_api/models/product.dart:33:22)
E/flutt
使用Dio,我向该站点提出了一个具体请求:
final response = await Dio().get(
…
print(response); //Just to see my response
下面是控制台的响应:
I/flutter ( 4594): {"records":[{"id":"recrNhzWnPdiSFaCs","createdTime":"2022-07-28T15:45:23.000Z","fields":{"Name":"Cactus "
基于我在这里截图的两张图片,我对在Retrofit中制作RestClient感到困惑。当我删除Post方法时,零件文件(api_service.g.dart)没有出现错误。看看这张图片: ? 但是当我添加Post方法时,零件文件(api_service.g.dart)会出错。看起来像这样: ? 错误是: error: Target of URI hasn't been generated: 'api_service.g.dart'. (uri_has_not_been_generated at [apps] lib\data\remote\api_servic
我正在尝试从:编译这个示例
我得到以下Dart编译错误
错误:参数类型‘(文件)→未来’不能分配给参数类型‘(动态)→FutureOr’。(argument_type_not_assignable at lib/google_api_rest/main.dart:49)
来自以下代码:
// Download a file from Google Drive.
Future downloadFile(drive.DriveApi api,
Client client,
String
我已经从git克隆了一个新的flutter项目。
当我尝试运行时,我得到以下错误
Error: Could not resolve the package 'application_flutter_todo' in 'package:application_flutter_todo/utils/constants/api.dart'.
../../.pub-cache/git/flutter_maximo_api-35d1fef13c59a0e7fb70a20916adf1f9d26eac02/lib/src/maximo_api.dart:5:8: Error
我正在尝试制作一个Django API来处理闪电支付,我需要实现一些功能,如解锁钱包、更改密码等。我得到了“不正确的填充”,我不知道如何修复它。这是我的view.py:
from rest_framework.views import APIView
from rest_framework.response import Response
from rest_framework import status
from rest_framework.parsers import JSONParser
import os
import base64, codecs, json, requests