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Spring邮件发送 Spring实现邮件发送功能

二十六度半 人气:0
想了解Spring实现邮件发送功能的相关内容吗,二十六度半在本文为您仔细讲解Spring邮件发送的相关知识和一些Code实例,欢迎阅读和指正,我们先划重点:Spring,邮件发送,下面大家一起来学习吧。

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
 *
 */
@Component
public 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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