✨Feat: 增加发送邮件功能

backend/.gitignore

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+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### IntelliJ IDEA ###
+.idea/modules.xml
+.idea/jarRepositories.xml
+.idea/compiler.xml
+.idea/libraries/
+*.iws
+*.iml
+*.ipr
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store

backend/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>cn.hezhaohui</groupId>
+    <artifactId>backend</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>3.3.1</version>
+    </parent>
+
+    <properties>
+        <maven.compiler.source>21</maven.compiler.source>
+        <maven.compiler.target>21</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-mail</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+        </dependency>
+    </dependencies>
+
+</project>

backend/src/main/java/cn/hezhaohui/mail/SendMailApplication.java

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+package cn.hezhaohui.mail;
+
+import cn.hezhaohui.mail.service.MailService;
+import jakarta.annotation.Resource;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SendMailApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(SendMailApplication.class, args);
+    }
+}

backend/src/main/java/cn/hezhaohui/mail/config/MailConfig.java

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+package cn.hezhaohui.mail.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.mail.javamail.JavaMailSender;
+import org.springframework.mail.javamail.JavaMailSenderImpl;
+
+import java.util.Properties;
+
+@Configuration
+public class MailConfig {
+
+    @Bean
+    public JavaMailSender getJavaMailSender() {
+        JavaMailSenderImpl mailSender = new JavaMailSenderImpl();
+        mailSender.setHost("smtp.163.com");
+        mailSender.setPort(465);
+
+        mailSender.setUsername("hezhaohui0807@163.com");
+        mailSender.setPassword("AMaauzQZQMnkSfZi");
+
+        Properties properties = mailSender.getJavaMailProperties();
+        properties.put("mail.transport.protocol", "smtp");
+        properties.put("mail.smtp.auth", "true");
+        properties.put("mail.smtp.ssl.enable", "true");
+        properties.put("mail.smtp.starttls.enable", "true");
+        properties.put("mail.debug", "true");
+
+        return mailSender;
+    }
+}

backend/src/main/java/cn/hezhaohui/mail/service/MailService.java

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+package cn.hezhaohui.mail.service;
+
+import jakarta.annotation.Resource;
+import org.springframework.mail.SimpleMailMessage;
+import org.springframework.mail.javamail.JavaMailSender;
+import org.springframework.stereotype.Service;
+
+@Service
+public class MailService {
+
+    @Resource
+    private JavaMailSender emailSender;
+
+    public void sendMessage(String to, String subject, String text) {
+        SimpleMailMessage message = new SimpleMailMessage();
+        message.setFrom("hezhaohui0807@163.com");
+        message.setTo(to);
+        message.setSubject(subject);
+        message.setText(text);
+        emailSender.send(message);
+    }
+}

backend/src/test/java/cn/hezhaohui/mail/service/MailServiceTest.java

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+package cn.hezhaohui.mail.service;
+
+import jakarta.annotation.Resource;
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class MailServiceTest {
+
+    @Resource
+    private MailService mailService;
+
+    @Test
+    void sendMessage() {
+        mailService.sendMessage("2311719626@qq.com", "你好", "Test");
+    }
+}