Flutter重发请求插件resend的使用

Flutter重发请求插件resend的使用

简介

resend 是一个用于发送电子邮件的 Dart 库，支持多种平台，包括 Android、iOS、macOS、Web、Linux 和 Windows。它可以帮助你在 Flutter 应用中轻松地发送电子邮件，并且可以处理重发请求。

平台支持

设置

首先，你需要在 Resend Dashboard 获取 API 密钥。

使用方法

1. 导入库

在你的 pubspec.yaml 文件中添加 resend 依赖：

dependencies:
  resend: ^0.3.0

然后运行 flutter pub get 来安装依赖。

2. 创建 Resend 实例

在你的 Flutter 应用中，创建一个 Resend 实例并传递你的 API 密钥：

import 'package:resend/resend.dart';

void main() {
  final resend = Resend(apiKey: "re_123456789"); // 替换为你的 API 密钥
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  [@override](/user/override)
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(title: Text('Resend Example')),
        body: Center(
          child: ElevatedButton(
            onPressed: () async {
              try {
                await resend.sendEmail(
                  from: 'you@example.com',
                  to: 'user@gmail.com',
                  subject: 'Hello World',
                  text: 'This is a test email!',
                );
                print('Email sent successfully!');
              } catch (e) {
                print('Failed to send email: $e');
              }
            },
            child: Text('Send Email'),
          ),
        ),
      ),
    );
  }
}

3. 发送邮件

你可以使用 sendEmail 方法来发送邮件。以下是一个简单的示例，发送纯文本邮件：

await resend.sendEmail(
  from: 'you@example.com',
  to: 'user@gmail.com',
  subject: 'Hello World',
  text: 'This is a test email!',
);

如果你想发送带有 HTML 内容的邮件，可以使用 html 参数：

await resend.sendEmail(
  from: 'you@example.com',
  to: 'user@gmail.com',
  subject: 'Hello World',
  html: '<strong>This is a test email with HTML content!</strong>',
);

完整示例 Demo

以下是一个完整的 Flutter 应用示例，展示了如何使用 resend 插件发送邮件：

import 'package:flutter/material.dart';
import 'package:resend/resend.dart';

void main() {
  // 替换为你的 API 密钥
  final resend = Resend(apiKey: "re_123456789");
  runApp(MyApp(resend: resend));
}

class MyApp extends StatelessWidget {
  final Resend resend;

  const MyApp({super.key, required this.resend});

  [@override](/user/override)
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Resend Example',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: MyHomePage(resend: resend),
    );
  }
}

class MyHomePage extends StatefulWidget {
  final Resend resend;

  const MyHomePage({super.key, required this.resend});

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

class _MyHomePageState extends State<MyHomePage> {
  final TextEditingController _fromController = TextEditingController(text: 'you@example.com');
  final TextEditingController _toController = TextEditingController(text: 'user@gmail.com');
  final TextEditingController _subjectController = TextEditingController(text: 'Hello World');
  final TextEditingController _textContentController = TextEditingController(text: 'This is a test email!');
  final TextEditingController _htmlContentController = TextEditingController(text: '<strong>This is a test email with HTML content!</strong>');

  Future<void> _sendEmail() async {
    try {
      await widget.resend.sendEmail(
        from: _fromController.text,
        to: _toController.text,
        subject: _subjectController.text,
        text: _textContentController.text,
        html: _htmlContentController.text,
      );
      ScaffoldMessenger.of(context).showSnackBar(
        SnackBar(content: Text('Email sent successfully!')),
      );
    } catch (e) {
      ScaffoldMessenger.of(context).showSnackBar(
        SnackBar(content: Text('Failed to send email: $e')),
      );
    }
  }

  [@override](/user/override)
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Resend Example'),
      ),
      body: Padding(
        padding: const EdgeInsets.all(16.0),
        child: Column(
          children: [
            TextField(
              controller: _fromController,
              decoration: InputDecoration(labelText: 'From'),
            ),
            TextField(
              controller: _toController,
              decoration: InputDecoration(labelText: 'To'),
            ),
            TextField(
              controller: _subjectController,
              decoration: InputDecoration(labelText: 'Subject'),
            ),
            TextField(
              controller: _textContentController,
              decoration: InputDecoration(labelText: 'Text Content'),
              maxLines: 3,
            ),
            TextField(
              controller: _htmlContentController,
              decoration: InputDecoration(labelText: 'HTML Content'),
              maxLines: 3,
            ),
            SizedBox(height: 20),
            ElevatedButton(
              onPressed: _sendEmail,
              child: Text('Send Email'),
            ),
          ],
        ),
      ),
    );
  }
}