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Spring实现邮件发送功能

2024-07-13 10:13:59
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前言:以前都是直接用Java自带的邮件工具发送邮件,现在Spring帮我们做了封装,提供了更好用更简单的发送邮件工具JavaMailSender,关于邮件服务器的设置就不在这里说了,直接去QQ邮箱设置下就好,下面看下主要的步骤: 

步骤一、添加发送邮件相关Maven依赖

<!-- Spring 邮件发送 -->    <dependency>      <groupId>org.springframework</groupId>      <artifactId>spring-context-support</artifactId>      <version>4.3.2.RELEASE</version>    </dependency>    <dependency>      <groupId>javax.mail</groupId>      <artifactId>mail</artifactId>      <version>1.4.7</version>    </dependency>    

步骤二、添加相关Spring配置,创建一个spring-mail.xml(如果是Spring-Boot请无视),内容如下:

<?xml version="1.0" encoding="UTF-8"?><beans xmlns="http://www.springframework.org/schema/beans"  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"  xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd             http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd ">  <!-- Spring JavaMailSender -->  <bean class="org.springframework.mail.javamail.JavaMailSenderImpl">    <property name="host" value="smtp.qq.com"></property>    <!-- 或许你可以用465端口,默认的25不适合 -->    <property name="port" value="587"/>    <property name="protocol" value="smtp"/>    <property name="username" value="******@qq.com"></property>    <!-- 这里的是你在QQ邮箱发送开通SMTP短信后,获取的授权码 -->    <property name="password" value="******"></property>    <property name="defaultEncoding" value="UTF-8"/>    <property name="javaMailProperties">      <props>        <prop key="mail.smtp.auth">true</prop>        <prop key="mail.smtp.timeout">25000</prop>      </props>    </property>  </bean></beans>

步骤三、创建具体的邮件发送工具类

/** * 基于Spring的JavaMailSender的邮件发送工具类 * @author simon * */@Componentpublic class EmailSender {    @Autowired  private JavaMailSender javaMailSender;    private static EmailSender emailSender;    @PostConstruct  public void init() {    emailSender = this;    emailSender.javaMailSender= this.javaMailSender;  }    /**   * 发送简单的文本邮件   * @param sendTo    收件人组   * @param subject    主题   * @param content    文本内容   */  public static void sendSimpleMessage(String sendFrom, String[] sendTo, String subject, String textcontent) {    SimpleMailMessage mail = new SimpleMailMessage();    mail.setFrom(sendFrom);    mail.setTo(sendTo);    mail.setSubject(subject);    mail.setText(textcontent);    //发送    emailSender.javaMailSender.send(mail);  }    /**   * 发送HTML内容格式的邮件   * @param sendFrom   * @param sendTo      收件人组   * @param subject      主题   * @param htmlContent    HTML内容   * @throws Exception   */  public static void sendHtmlMessage(String sendFrom, String[] sendTo, String subject, String htmlContent) throws Exception {    MimeMessage mimeMessage = emailSender.javaMailSender.createMimeMessage();         MimeMessageHelper mimeMessageHelper = new MimeMessageHelper(mimeMessage);    mimeMessageHelper.setFrom(sendFrom);    mimeMessageHelper.setTo(sendTo);    mimeMessageHelper.setSubject(subject);    // true 表示启动HTML格式的邮件     mimeMessageHelper.setText(htmlContent, true);     // 发送邮件    emailSender.javaMailSender.send(mimeMessage);  }  }

步骤四、创建单元测试测试发送邮件

/** * 邮件发送测试类 *  * @author simon * */@RunWith(SpringJUnit4ClassRunner.class)@ContextConfiguration("classpath:applicationContext.xml")public class EmailSenderTest {  @Test  public void testSend() throws Exception {    String sendFrom = "1317492210@qq.com";    String[] sendTo = {"zhaosheng@hitencent.com"};    String subject = "Spring自带JavaMailSender发送的HTML邮件";    StringBuilder htmlContent = new StringBuilder()        .append("<html>")        .append("<head>")        .append("<title>")        .append("Spring自带JavaMailSender发送的HTML邮件")        .append("</title>")        .append("</head>")        .append("<body>")        .append("您好!陌生人<p/>")        .append("</body>")        .append("</html>");        EmailSender.sendHtmlMessage(sendFrom, sendTo, subject, htmlContent.toString());    System.out.println("邮件发送成功.");  }

OK,到这里全部的步骤就结束了,是不是比Java Mail简单方便很多哉,赶紧自己动手试试吧!

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