Spring发送邮件总结（附源码）

			org.springframework
			spring-core
			3.2.4.RELEASE
		
		
			org.springframework
			spring-context
			3.2.4.RELEASE
		
		
			org.springframework
			spring-jdbc
			3.2.4.RELEASE
		
		
			org.springframework
			spring-web
			3.2.4.RELEASE
		
		
			org.springframework
			spring-aop
			3.2.4.RELEASE
		


		
		    org.springframework
		    spring-context-support
		    3.2.4.RELEASE
		
		
		
    
      javax.mail
      mail
      1.4.4

package com.bookmarksClouds.util;

import java.io.File;

import javax.annotation.Resource;
import javax.mail.MessagingException;
import javax.mail.internet.MimeMessage;

import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.FileSystemResource;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.stereotype.Component;
@Component("simpleMail")
public class EmailUtil 
{
	
	
	  private JavaMailSender javaMailSender;
	  private SimpleMailMessage simpleMailMessage;
	    
	  /**
	     * 
	     * @方法名: sendMail 
	     * @参数名：@param subject 邮件主题
	     * @参数名：@param content 邮件主题内容
	     * @参数名：@param to        收件人Email地址
	     * @param isHtml  是否是html格式(发送html时使用utf-8编码)
	     * @描述语:  发送邮件
	     * @throws MessagingException 发送发生了异常
	     */
	    public void sendMail(String subject, String content,boolean isHtml, String to) throws MessagingException
	    {
	        
	        
	            MimeMessage mimeMessage = javaMailSender.createMimeMessage();
	          
	            MimeMessageHelper messageHelper =null;
	            if(isHtml)
	            {
	            	 messageHelper = new MimeMessageHelper(mimeMessage,true,"UTF-8");
	            }
	            else
	            {
	               messageHelper = new MimeMessageHelper(mimeMessage,true);
	            }
	            messageHelper.setFrom(simpleMailMessage.getFrom()); //设置发件人Email
	            messageHelper.setSubject(subject); //设置邮件主题
	            if(isHtml)
	            {
	            	 messageHelper.setText(content,true);   //设置邮件主题内容(html格式)
	            }
	            else
	            {
	            	 messageHelper.setText(content);   //设置邮件主题内容
	            }
	            
	           
	            messageHelper.setTo(to);          //设定收件人Email
	          
	            
	            javaMailSender.send(mimeMessage);  
	    }
	    
	   
		
	   
	    
	    
	   /**
	    * 发送邮件 （包含附件）
	    * @param subject 主题
	    * @param content 内容
	    * @param fileAttachment 附件文件
	    * @param isHtml 内容是否是html格式
	    * @param to 发送的邮箱地址
	    * @throws MessagingException 发送邮件异常（失败）
	    */
	    public void sendMail(String subject, String content,boolean isHtml, File fileAttachment,String to) throws MessagingException
	    {
	        
	        
	            MimeMessage mimeMessage = javaMailSender.createMimeMessage();
	          
	            MimeMessageHelper messageHelper = new MimeMessageHelper(mimeMessage,true,"UTF-8");
	            
	            messageHelper.setFrom(simpleMailMessage.getFrom()); //设置发件人Email
	            messageHelper.setSubject(subject); //设置邮件主题

	            if(isHtml)
	            {
	            	 messageHelper.setText(content,true);   //设置邮件主题内容(html格式)
	            }
	            else
	            {
	            	 messageHelper.setText(content);   //设置邮件主题内容
	            }
	            messageHelper.setTo(to);          //设定收件人Email
	            FileSystemResource file = new FileSystemResource(fileAttachment);
	          
	             messageHelper.addAttachment(file.getFilename(), file); //添加附件
	            javaMailSender.send(mimeMessage);  
	        }
	   
	    
	    
	    /**
		    * 发送邮件 （包含附件）
		    * @param subject 主题
		    * @param content 内容
		    * @param classPathResource 附件文件(附加在项目内部时候)
		    * @param isHtml 内容是否是html格式
		    * @param to 发送的邮箱地址
	     * @throws MessagingException 
		    */
		    public void sendMail(String subject, String content,boolean isHtml, ClassPathResource classPathResource,String to)
		    		throws MessagingException 
		    {
		        
		        
		            MimeMessage mimeMessage = javaMailSender.createMimeMessage();
		          /**
		             * new MimeMessageHelper(mimeMessage,true)之true个人见解：
		             * 关于true参数,官方文档是这样解释的：
		             * use the true flag to indicate you need a multipart message
		             * 翻译过来就是：使用true,以表明你需要多个消息
		             * 再去翻一下MimeMessageHelper的API,找到这样一句话：
		             * supporting alternative texts, inline elements and attachments
		             * 也就是说,如果要支持内联元素和附件就必须给定第二个参数为true
		             * 否则抛出 java.lang.IllegalStateException 异常
		             */
		            MimeMessageHelper messageHelper = new MimeMessageHelper(mimeMessage,true,"UTF-8");
		            messageHelper.setFrom(simpleMailMessage.getFrom()); //设置发件人Email
		            messageHelper.setSubject(subject); //设置邮件主题
		            if(isHtml)
		            {
		            	 messageHelper.setText(content,true);   //设置邮件主题内容(html格式)
		            }
		            else
		            {
		            	 messageHelper.setText(content);   //设置邮件主题内容
		            }
		            messageHelper.setTo(to);          //设定收件人Email
		            /**  FileSystemResource file = new FileSystemResource(fileAttachment);
		          
		             * ClassPathResource：很明显就是类路径资源,我这里的附件是在项目里的,所以需要用ClassPathResource
		             * 如果是系统文件资源就不能用ClassPathResource,而要用FileSystemResource,例：
		             * 
		           
		            ClassPathResource file = new ClassPathResource("attachment/Readme.txt");
		              */
		          /**
		             * MimeMessageHelper的addAttachment方法：
		             * addAttachment(String attachmentFilename, InputStreamSource inputStreamSource)
		             * InputStreamSource是一个接口,ClassPathResource和FileSystemResource都实现了这个接口
		             
		           
		              //发送附件邮件
		            */
		            ClassPathResource file = classPathResource;
		             messageHelper.addAttachment(file.getFilename(), file); //添加附件
		            javaMailSender.send(mimeMessage);  
		        
		    }
		    
	    
	      //Spring 依赖注入
	    @Resource
	    public void setSimpleMailMessage(SimpleMailMessage simpleMailMessage) {
	        this.simpleMailMessage = simpleMailMessage;
	    }
	      //Spring 依赖注入
	    @Resource
	    public void setJavaMailSender(JavaMailSender javaMailSender) {
	        this.javaMailSender = javaMailSender;
	    }

}

package com.bookmarksClouds.test;

import javax.mail.MessagingException;

import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import com.bookmarksClouds.util.EmailUtil;

public class EmailUtilTest
{
	 private  ApplicationContext factory = new ClassPathXmlApplicationContext(
	            new String[] {"spring/spring-smtp-mail-attachment.xml"});
	@Test
	public void test() 
	{
		
		EmailUtil mail = (EmailUtil)factory.getBean("simpleMail");
		String html= "云书签注册激活欢迎使用，云书签。
云书签
点击上面超链接 激活账户信息！";
		
        try {
			mail.sendMail("云书签注册自动发邮件", html,true, "***@qq.com");
		} catch (MessagingException e) {
			System.out.println("发送邮件失败！");
			//e.printStackTrace();
		}
	}

}

                  true