Flutter宙斯API集成插件zeus_api的使用

简介

这是一个基于宙斯API文档的访问控制API集合。使用方法、请求和响应方式与宙斯API文档一致。

特性

通过该插件，您可以更轻松地实现访问控制系统，只需为客户端分配特定权限的角色即可。

开始使用

在使用此插件之前，请先在宙斯API官方网站注册一个账户。

使用示例

导入必要的包

import 'package:zeus_api/services/api/model/client_model.dart';
import 'package:zeus_api/zeus_api.dart';

示例代码

以下是一个完整的示例代码，展示了如何使用zeus_api插件来获取令牌、管理客户端、角色以及关系等操作。

完整代码

import 'package:flutter/material.dart';
import 'package:zeus_api/services/api/model/client_model.dart';
import 'package:zeus_api/services/api/model/relationship_model.dart';
import 'package:zeus_api/services/api/model/role_model.dart';
import 'package:zeus_api/zeus_api.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  [@override](/user/override)
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: const MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({Key? key, required this.title}) : super(key: key);

  final String title;

  [@override](/user/override)
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  String _response = "";
  String _accessToken = "";
  String _refreshToken = "";

  // 获取访问令牌
  Future<void> getAccessToken() async {
    var tokens = await ZeusControl.getTokens(
        email: "email@domain.com", password: "123456");
    _response = "Tokens are retrieved";
    setState(() {
      _accessToken = tokens!["access"];
      _refreshToken = tokens["refresh"];
    });
    print(_response);
  }

  // 刷新令牌
  Future<void> refreshToken() async {
    var tokens = await ZeusControl.refreshToken(refreshToken: _refreshToken);
    _response = "Tokens are retrieved";
    setState(() {
      _accessToken = tokens!["access"];
    });
    print(_response);
  }

  // 获取所有客户端
  Future<void> getAllClients() async {
    List<Client>? clients = await ZeusControl.getAllClients(
      accessToken: _accessToken,
    );
    _response = clients![0].name!;
    print(_response);
  }

  // 根据ID获取客户端
  Future<void> getClientById() async {
    List<Client>? clients = await ZeusControl.getClientById(
        accessToken: _accessToken, clientId: "id");
    _response = clients![0].name!;
    print(_response);
  }

  // 保存客户端
  Future<void> saveClient() async {
    String? client = await ZeusControl.saveClient(
      accessToken: _accessToken,
      createdById: "user id",
      name: "Janet",
      attribute: [
        ClientAttribute(key: "IQ", value: "100"),
        ClientAttribute(key: "Potential", value: "High")
      ],
    );
    _response = client!;
    print(_response);
  }

  // 删除客户端
  Future<void> deleteClient() async {
    String? isDeleted = await ZeusControl.deleteClient(
        accessToken: _accessToken, clientId: "client id");
    _response = isDeleted!;
    print(_response);
  }

  // 获取所有角色
  Future<void> getAllRoles() async {
    List<Role>? roles = await ZeusControl.getAllRoles(
      accessToken: _accessToken,
    );
    _response = roles![0].roleId!;
    print(_response);
  }

  // 根据ID获取角色
  Future<void> getRoleById() async {
    List<Role>? roles = await ZeusControl.getRoleById(
        accessToken: _accessToken, roleId: "role id");
    _response = roles![0].name!;
    print(_response);
  }

  // 保存角色
  Future<void> saveRole() async {
    String? role = await ZeusControl.saveRole(
      accessToken: _accessToken,
      createdById: "user id",
      roleId: "role id",
      name: "PowerBI",
      attribute: [
        RoleAttribute(key: "Access", value: "True"),
      ],
    );
    _response = role!;
    print(_response);
  }

  // 删除角色
  Future<void> deleteRole() async {
    String? isDeleted = await ZeusControl.deleteRole(
        accessToken: _accessToken, roleId: "role id");
    _response = isDeleted!;
    print(_response);
  }

  // 获取所有关系
  Future<void> getAllRelationship() async {
    List<Relationship>? relationships = await ZeusControl.getAllRelationship(
      accessToken: _accessToken,
    );
    _response = relationships![0].clientRoleRelId!;
    print(_response);
  }

  // 根据ID获取关系
  Future<void> getRelationshipById() async {
    List<Relationship>? relationships = await ZeusControl.getRelationshipById(
        accessToken: _accessToken, clientRoleRelId: "relationship id");
    _response = relationships![0].clientRoleRelId!;
    print(_response);
  }

  // 保存关系
  Future<void> saveRelationship() async {
    String? relationship = await ZeusControl.saveRelationship(
        accessToken: _accessToken,
        clientRoleRelId: "relationship id",
        createdById: "user id",
        permission: "viewer",
        client: "client id",
        role: "role id");
    _response = relationship!;
    print(_response);
  }

  // 保存ABAC关系
  Future<void> saveRelationshipABAC() async {
    String? relationship = await ZeusControl.saveRelationshipABAC(
        accessToken: _accessToken,
        clientRoleRelId: "relationship id",
        createdById: "user id",
        permission: "viewer",
        client: "client id",
        role: "role id",
        clientAttribute: [],
        roleAttribute: []);
    _response = relationship!;
    print(_response);
  }

  // 删除关系
  Future<void> deleteRelationship() async {
    String? isDeleted = await ZeusControl.deleteRelationship(
        accessToken: _accessToken, clientRoleRelId: "relationship id");
    _response = isDeleted!;
    print(_response);
  }

  // 验证授权
  Future<void> isAuthorozied() async {
    String? isAuthorized = await ZeusControl.isAuthorized(
        accessToken: _accessToken,
        clientId: "client id",
        roleId: "role id",
        permission: "editor");
    _response = isAuthorized!;
    print(_response);
  }

  [@override](/user/override)
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Center(
          child: SingleChildScrollView(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            const Text(
              'Message:',
            ),
            Text(
              _response,
              style: Theme.of(context).textTheme.headline4,
            ),
            const SizedBox(height: 10),
            ElevatedButton(
                onPressed: () => {getAccessToken()},
                child: Text("Get Access Token")),
            const SizedBox(height: 10),
            ElevatedButton(
                onPressed: () => {refreshToken()},
                child: Text("Refresh Token")),
            const SizedBox(height: 10),
            ElevatedButton(
                onPressed: () => {getAllClients()},
                child: Text("Get All Clients")),
            const SizedBox(height: 10),
            ElevatedButton(
                onPressed: () => {getClientById()},
                child: Text("Get Client By Id")),
            const SizedBox(height: 10),
            ElevatedButton(
                onPressed: () => {saveClient()}, child: Text("Save Client")),
            const SizedBox(height: 10),
            ElevatedButton(
                onPressed: () => {deleteClient()},
                child: Text("Delete Client")),
            /* Role */
            const SizedBox(height: 10),
            ElevatedButton(
                onPressed: () => {getAllRoles()}, child: Text("Get All Role")),
            const SizedBox(height: 10),
            ElevatedButton(
                onPressed: () => {getRoleById()},
                child: Text("Get Role By Id")),
            const SizedBox(height: 10),
            ElevatedButton(
                onPressed: () => {saveRole()}, child: Text("Save Role")),
            const SizedBox(height: 10),
            ElevatedButton(
                onPressed: () => {deleteRole()}, child: Text("Delete Role")),
            /* Relationship */
            const SizedBox(height: 10),
            ElevatedButton(
                onPressed: () => {(getAllRelationship())},
                child: Text("Get All Relationships")),
            const SizedBox(height: 10),
            ElevatedButton(
                onPressed: () => {(getRelationshipById())},
                child: Text("Get Relationship By Id")),
            const SizedBox(height: 10),
            ElevatedButton(
                onPressed: () => {(saveRelationship())},
                child: Text("Save Relationships")),
            const SizedBox(height: 10),
            ElevatedButton(
                onPressed: () => {(saveRelationshipABAC())},
                child: Text("Save Relationships ABAC")),
            const SizedBox(height: 10),
            ElevatedButton(
                onPressed: () => {(deleteRelationship())},
                child: Text("Delete Relationships")),
            const SizedBox(height: 10),
            ElevatedButton(
                onPressed: () => {(isAuthorozied())},
                child: Text("isAuthorized")),
          ],
        ),
      )),
    );
  }
}

gougou168 1楼•21 天前

更多关于Flutter宙斯API集成插件zeus_api的使用的实战系列教程也可以访问 https://www.itying.com/category-92-b0.html

在Flutter中集成Zeus API插件（假设为zeus_api）通常涉及以下几个步骤。以下是一个基本的指南，帮助你开始使用这个插件。

1. 添加依赖

首先，你需要在pubspec.yaml文件中添加zeus_api插件的依赖。

dependencies:
  flutter:
    sdk: flutter
  zeus_api: ^1.0.0  # 请根据实际版本号进行替换

然后运行flutter pub get来获取依赖。

2. 导入插件

在你的Dart文件中导入zeus_api插件。

import 'package:zeus_api/zeus_api.dart';

3. 初始化API

在使用API之前，通常需要初始化插件。这可能包括设置API密钥、配置端点等。

void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  
  // 初始化Zeus API
  ZeusApi.initialize(
    apiKey: 'your_api_key_here',
    baseUrl: 'https://api.zeus.com', // 根据实际情况替换
  );

  runApp(MyApp());
}

4. 使用API

现在你可以使用zeus_api插件提供的功能了。以下是一些常见的API调用示例。

获取数据

Future<void> fetchData() async {
  try {
    var response = await ZeusApi.get('/endpoint');
    print('Response: $response');
  } catch (e) {
    print('Error: $e');
  }
}

发送数据

Future<void> sendData() async {
  try {
    var response = await ZeusApi.post('/endpoint', data: {
      'key': 'value',
    });
    print('Response: $response');
  } catch (e) {
    print('Error: $e');
  }
}

更新数据

Future<void> updateData() async {
  try {
    var response = await ZeusApi.put('/endpoint', data: {
      'key': 'new_value',
    });
    print('Response: $response');
  } catch (e) {
    print('Error: $e');
  }
}

删除数据

Future<void> deleteData() async {
  try {
    var response = await ZeusApi.delete('/endpoint');
    print('Response: $response');
  } catch (e) {
    print('Error: $e');
  }
}

5. 处理响应

根据API的响应，你可能需要处理JSON数据或其他格式的数据。

Future<void> fetchAndProcessData() async {
  try {
    var response = await ZeusApi.get('/endpoint');
    var data = response['data']; // 假设响应是一个JSON对象
    print('Data: $data');
  } catch (e) {
    print('Error: $e');
  }
}

6. 错误处理

确保在API调用中处理可能的错误，例如网络错误或API返回的错误。

Future<void> fetchDataWithErrorHandling() async {
  try {
    var response = await ZeusApi.get('/endpoint');
    if (response['status'] == 'success') {
      print('Data: ${response['data']}');
    } else {
      print('API Error: ${response['message']}');
    }
  } catch (e) {
    print('Network Error: $e');
  }
}

7. 在UI中使用

你可以在Flutter的UI中使用这些API调用的结果。例如，使用FutureBuilder来显示加载状态和数据。

class MyHomePage extends StatelessWidget {
  Future<Map<String, dynamic>> fetchData() async {
    var response = await ZeusApi.get('/endpoint');
    return response;
  }

  [@override](/user/override)
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Zeus API Example'),
      ),
      body: FutureBuilder<Map<String, dynamic>>(
        future: fetchData(),
        builder: (context, snapshot) {
          if (snapshot.connectionState == ConnectionState.waiting) {
            return Center(child: CircularProgressIndicator());
          } else if (snapshot.hasError) {
            return Center(child: Text('Error: ${snapshot.error}'));
          } else if (!snapshot.hasData) {
            return Center(child: Text('No data found'));
          } else {
            var data = snapshot.data!;
            return ListView.builder(
              itemCount: data.length,
              itemBuilder: (context, index) {
                return ListTile(
                  title: Text(data[index]['key']),
                  subtitle: Text(data[index]['value']),
                );
              },
            );
          }
        },
      ),
    );
  }
}