使用Spring的Mail组件发送邮件

不想过多的做描述了，简单介绍一下，然后上代码，使用程序员标准语言进行沟通。

代码运行版本为Spring3.0.5，mail相关的包在org.springframework.context.support-3.0.5.RELEASE.jar这个JAR里，一下代码使用Gmail邮箱作为发送者，需要额外添加一个配置。OK，其他内容详见代码。（其实写在这是防止以后忘了，还要到网上到处搜）

package com.zywang.springmail;

import java.io.File;
import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Date;
import java.util.Properties;

import javax.activation.URLDataSource;
import javax.mail.MessagingException;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeUtility;

import org.apache.commons.mail.EmailException;
import org.springframework.core.io.UrlResource;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.JavaMailSenderImpl;
import org.springframework.mail.javamail.MimeMessageHelper;


public class SendMailBySpringMailDemo {
	
	/**
	 * 创建邮件发送者
	 */
	private static JavaMailSender createJavaMailSender() {
		/*
		//从网上找的参考，说要添加这么多，实际测试了下，不需要这么多个
		Properties properties = new Properties();
		properties.setProperty("mail.debug", "true");
		properties.setProperty("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
		properties.setProperty("mail.smtp.socketFactory.fallback", "false");
		properties.setProperty("mail.smtp.socketFactory.port", "465");
		properties.setProperty("mail.smtp.port", "465");
		properties.setProperty("mail.smtp.auth", "true");
		 */
		Properties properties = new Properties();
		properties.setProperty("mail.debug", "true");//是否显示调试信息(可选)
		properties.setProperty("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
		properties.setProperty("mail.smtp.auth", "true");
		
		JavaMailSenderImpl javaMailSender = new JavaMailSenderImpl();
		javaMailSender.setJavaMailProperties(properties);
		javaMailSender.setUsername("[e-mail]");
		javaMailSender.setPassword("111111");
		javaMailSender.setHost("smtp.gmail.com");
		javaMailSender.setPort(465);
		javaMailSender.setDefaultEncoding("UTF-8");
		return javaMailSender;
	}

	/**
	 * 发送简单邮件
	 * SimpleMailMessage
	 */
	public static void sendSimpleMailMessage() {
		JavaMailSender javaMailSender = createJavaMailSender();
		
		SimpleMailMessage mailMessage = new SimpleMailMessage();
		mailMessage.setFrom("[e-mail]");//可选的
		mailMessage.setTo("[e-mail]");
		mailMessage.setSubject("Hello，你好啊");
		mailMessage.setText("那就随便说说吧" + new Date());
		
		javaMailSender.send(mailMessage);
	}

	/**
	 * 发送MIME类型邮件
	 * MimeMessage
	 */
	public static void sendMimeMessage() throws MessagingException {
		JavaMailSender javaMailSender = createJavaMailSender();
		
		MimeMessage mimeMessage = javaMailSender.createMimeMessage();
		MimeMessageHelper helper = new MimeMessageHelper(mimeMessage);
//		可选的，可以用来修改显示给接收者的名字
//		helper.setFrom("[e-mail]", "ZYWANG");
		helper.setTo("[e-mail]");
		helper.setSubject("这就是个实验");
		helper.setText("<h1>你好</h1>", true);
		
		javaMailSender.send(mimeMessage);
	}
	
	/**
	 * 发送含附件的邮件
	 */
	public static void sendMimeMessageAttachment() throws MessagingException, UnsupportedEncodingException, MalformedURLException{
		JavaMailSender javaMailSender = createJavaMailSender();
		
		MimeMessage mimeMessage = javaMailSender.createMimeMessage();
		//第二个参数设置为true，表示允许添加附件
		MimeMessageHelper helper = new MimeMessageHelper(mimeMessage,true);
		helper.setTo("[e-mail]");
		helper.setSubject("发送含图片附件的邮件");
		//第二个参数为true表示需要内容为HTML格式
		helper.setText("<h1>你好</h1>", true);
		//需要对文件名进行转码
		helper.addAttachment(MimeUtility.encodeText("王.png"), new File("d:\\王.png"));
		helper.addAttachment(MimeUtility.encodeText("Apache网站图标.gif"), new URLDataSource(new URL("http://www.apache.org/images/asf_logo_wide.gif")));
		
		javaMailSender.send(mimeMessage);
	}
	
	/**
	 * 发送HTML格式含图片的邮件
	 */
	public static void sendMimeMessageInline() throws MessagingException, MalformedURLException{
		JavaMailSender javaMailSender = createJavaMailSender();
		
		MimeMessage mimeMessage = javaMailSender.createMimeMessage();
		//第二个参数设置为true，表示允许添加附件
		MimeMessageHelper helper = new MimeMessageHelper(mimeMessage,true);
		helper.setTo("[e-mail]");
		helper.setSubject("发送含图片附件的邮件");
		//第二个参数为true表示需要内容为HTML格式
		helper.setText("<h1>你好</h1><br><img src='cid:fileId'><img src='cid:abc'>", true);
		helper.addInline("fileId", new File("d:\\王.png"));
		helper.addInline("abc", new UrlResource("http://www.apache.org/images/asf_logo_wide.gif"));
		
		javaMailSender.send(mimeMessage);
	}
	
	public static void main(String[] args) throws EmailException, UnsupportedEncodingException, MessagingException, MalformedURLException {
//		sendSimpleMailMessage();
//		sendMimeMessage();
//		sendMimeMessageAttachment();
//		sendMimeMessageInline();
	}

}

通常使用的时候只需要在配置文件中定义JavaMailSender，然后注入到需要使用的类中即可，上面的XML配置为：

<?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:aop="http://www.springframework.org/schema/aop"
	xmlns:context="http://www.springframework.org/schema/context"
	xmlns:jms="http://www.springframework.org/schema/jms"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
		http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
		http://www.springframework.org/schema/jms http://www.springframework.org/schema/jms/spring-jms-3.0.xsd">
	<bean id="javaMailSender" class="org.springframework.mail.javamail.JavaMailSenderImpl">
		<property name="host" value="smtp.gmail.com"></property>
		<property name="port" value="465"></property>
		<property name="username" value="[e-mail]"></property>
		<property name="password" value="111111"></property>
		<property name="defaultEncoding" value="UTF-8"></property>
		<property name="javaMailProperties">
			<props>
				<prop key="mail.debug">true</prop>
				<prop key="mail.smtp.socketFactory.class">javax.net.ssl.SSLSocketFactory</prop>
				<prop key="mail.smtp.auth">true</prop>
			</props>
		</property>
	</bean>
</beans>