Java的Spring框架中实现发送邮件功能的核心代码示例

内容摘要
Spring中已经封装了邮件操作类，通过spring配置文件可以便捷地注入到controller、action等地方。

下面是配置：


<!-- mail sender -->
<bean id="mailSender" class="org.
文章正文

Spring中已经封装了邮件操作类，通过spring配置文件可以便捷地注入到controller、action等地方。
下面是配置：

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<!-- mail sender -->
  <bean id="mailSender" class="org.springframework.mail.javamail.JavaMailSenderImpl"
    p:host="${mail.host}" p:port="${mail.port}" 
    p:username="${mail.user}" p:password="${mail.passwd}"></bean>

       
mail配置

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Email Configuration：
mail.host=smtp.163.com
mail.port=25
mail.user=xxxxxx@163.com
mail.passwd=xxxxxxxx
mail.from=xxxxxx@163.com

控制器中注入mailSender：

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@Controller
public class EmailController {
  private MailSender mailSender;
  @Value("${mail.from}")
  String emailFrom;
    
  @Autowired
  public void setMailSender(MailSender mailSender) {
    this.mailSender = mailSender;
  }
    
  @RequestMapping(value="/sendEmail",method=RequestMethod.POST)
  public ModelAndView sendEmail(@ModelAttribute("newEmail") ContactEmail newEmail,
      BindingResult bindResult,SessionStatus status){
    SimpleMailMessage message = new SimpleMailMessage();
    message.setTo(newEmail.getTo());
    message.setFrom(emailFrom);
    message.setSubject(newEmail.getSubject());
    message.setText(newEmail.getContent());
    String result = "";
    try{
      mailSender.send(message);
      result = "Email was sent!";
    }catch(MailException e){
      result = "Sending email failed!<br/><hr/>"+e.getMessage();
    }
    ModelAndView view = new ModelAndView("emailResult");
    view.addObject("result", result);
    return view;
  }
}

mail form：

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<form:form action="sendEmail.do" method="post" commandName="newEmail">
  <div>
    <p>　　 to:<form:input path="to" cssStyle="width:260px;"/>
      <form:errors path="to" cssStyle="color:red;"/></p>
    <p>subject:<form:input path="subject" cssStyle="width:260px;"/>
      <form:errors path="subject" cssStyle="color:red;"/></p>
    <p>content:<form:textarea path="content" rows="5" cols="60"></form:textarea><br/>
      <form:errors path="content" cssStyle="color:red;"/></p>
    <p><input type="submit" value="confirm and send"/></p>
  </div>
    
</form:form>

发送带附件的邮件：

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try{
  JavaMailSenderImpl senderImpl = new JavaMailSenderImpl();
   
  Properties props = new Properties();
  props.put("mail.smtp.auth", "true");
  senderImpl.setHost("smtp.163.com");
  senderImpl.setUsername("zhangfl85");
  senderImpl.setPassword("851010");
  senderImpl.setJavaMailProperties(props);
  MimeMessage mimeMessge = senderImpl.createMimeMessage();
  
  MimeMessageHelper mimeMessageHelper = new MimeMessageHelper(mimeMessge,true);
    
  mimeMessageHelper.setTo("zhangfl85@126.com");
  mimeMessageHelper.setFrom("zhangfl85@163.com");
  mimeMessageHelper.setSubject("添加附件测试");
  mimeMessageHelper.setText("test",true);  FileSystemResource img = new FileSystemResource(new File("I:/liang.jpg"));
   mimeMessageHelper.addAttachment(MimeUtility.encodeWord("3M样品仓库标准送货单模板.jpg"),
,img);  
   senderImpl.send(mimeMessge);
 }catch(Exception e){
  e.printStackTrace();
 }
代码注释
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