Spring发送邮件总结（附源码）

<!-- Spring3 --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>3.2.4.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>3.2.4.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>3.2.4.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>3.2.4.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aop</artifactId> <version>3.2.4.RELEASE</version> </dependency> <!-- Spring Email --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context-support</artifactId> <version>3.2.4.RELEASE</version> </dependency> <!-- Javamail API --> <dependency> <groupId>javax.mail</groupId> <artifactId>mail</artifactId> <version>1.4.4</version> </dependency>

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 是不是是html格式(发送html时使用utf⑻编码) * @描写语: 发送邮件 * @throws MessagingException 发送产生了异常 */ 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,"UTF⑻"); } 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 （包括附件） * @param subject 主题 * @param content 内容 * @param fileAttachment 附件文件 * @param isHtml 内容是不是是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,"UTF⑻"); 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 （包括附件） * @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 内容是不是是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1下MimeMessageHelper的API,找到这样1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2个参数为true * 否则抛出 java.lang.IllegalStateException 异常 */ MimeMessageHelper messageHelper = new MimeMessageHelper(mimeMessage,true,"UTF⑻"); 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1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= "<html><head><META http-equiv=Content-Type content='text/html; charset=UTF⑻'><title>云书签注册激活</title></head><body>欢迎使用，云书签。<br/><a href='www.baidu.com' >云书签</a><br>点击上面超链接 激活账户信息！</body><html>"; 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(); } } }

<?xml version="1.0" encoding="UTF⑻"?> <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" xmlns:aop="http://www.springframework.org/schema/aop" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans⑶.2.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context⑶.2.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop⑶.2.xsd"> <context:annotation-config/> <context:component-scan base-package="com.bookmarksClouds"/> <bean id ="mailSender" class ="org.springframework.mail.javamail.JavaMailSenderImpl" > <!-- 服务器 --> <property name ="host" value ="smtp.163.com" /> <!-- 端口号 --> <property name ="port" value ="25" /> <!-- 用户名 --> <property name ="username" value ="邮箱地址" /> <!-- 密码 --> <property name ="password" value ="邮箱密码" /> <!-- SMTP服务器验证 --> <property name ="javaMailProperties" > <props > <!-- 验证身份 --> <prop key ="mail.smtp.auth" > true </prop > </props > </property > </bean > <bean id="simpleMailMessage" class="org.springframework.mail.SimpleMailMessage"> <!-- 发件人email --> <property name="from" value="发送邮箱地址" /> <!-- 收件人email <property name="to" value="to@yeah.net" /> email主题(标题) <property name="subject" value="Subject" /> email主题内容 <property name="text"> <value>ContentText</value> </property> --> </bean> </beans>