《pro Spring》学习笔记之使用Sprin+James邮件服务器发送复杂类型邮件
所谓可替换的复杂类型邮件，就是不简单的html邮件和纯文本邮件而是在html中再加入内嵌图片
实现的大体思路和这篇文章http://blog.csdn.net/daryl715/archive/2007/09/17/1788481.aspx类似，不过我们要更换一下结果，一般的可替换邮件是
wrapper
----HTML
----TEXT
而加入内嵌图片则变为
wrapper
----wrapper
----HTML
----TEXT
----TEXT
<?
xml version="1.0" encoding="UTF-8"
?>
<
beans
xmlns
="http://www.springframework.org/schema/beans"
xmlns:xsi
="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation
="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd"
>
<
bean
id
="messageSender"
class
="ch15.ComplesChangeMail.MessageSender"
>
<
property
name
="sender"
>
<
ref
bean
="sender"
/>
</
property
>
</
bean
>
<
bean
id
="sender"
class
="org.springframework.mail.javamail.JavaMailSenderImpl"
>
<
property
name
="host"
>
<
value
>
king.cn
</
value
>
</
property
>
<
property
name
="username"
>
<
value
>
gaoxiang
</
value
>
</
property
>
<
property
name
="password"
>
<
value
>
gaoxiang
</
value
>
</
property
>
<
property
name
="javaMailProperties"
>
<
props
>
<
prop
key
="mail.smtp.auth"
>
true
</
prop
>
<
prop
key
="mail.smtp.timeout"
>
10000
</
prop
>
</
props
>
</
property
>
</
bean
>
<
bean
id
="messagePreparator"
class
="ch15.ComplesChangeMail.MessagePreparator"
>
<
property
name
="to"
>
<
value
>
[email protected]
</
value
>
</
property
>
<
property
name
="from"
>
<
value
>
[email protected]
</
value
>
</
property
>
<
property
name
="subject"
>
<
value
>
html/text mime mail
</
value
>
</
property
>
<
property
name
="htmlContent"
>
<
value
>
<![CDATA[
<html><head><body>this is a pic mail<img src="cid:abc"></body></head></html>
]]>
</
value
>
</
property
>
<
property
name
="textContent"
>
<
value
>
this is a text mail
</
value
>
</
property
>
<
property
name
="dataHandler"
>
<
ref
bean
="dataHandler"
/>
</
property
>
</
bean
>
<!--
注意这里使用javax.activation包的FileDataSource
-->
<
bean
id
="dataHandler"
class
="javax.activation.DataHandler"
>
<
constructor-arg
>
<
bean
class
="javax.activation.FileDataSource"
>
<
constructor-arg
>
<
bean
class
="java.io.File"
>
<
constructor-arg
>
<
value
>
./src/ch15/ComplesChangeMail/mail.jpg
</
value
>
</
constructor-arg
>
</
bean
>
</
constructor-arg
>
</
bean
>
</
constructor-arg
>
</
bean
>
</
beans
>
package
ch15.ComplesChangeMail;
import
javax.activation.DataHandler;
import
javax.mail.BodyPart;
import
javax.mail.Message;
import
javax.mail.internet.InternetAddress;
import
javax.mail.internet.MimeBodyPart;
import
javax.mail.internet.MimeMessage;
import
javax.mail.internet.MimeMultipart;
import
org.springframework.mail.javamail.MimeMessagePreparator;
public
class
MessagePreparator
implements
MimeMessagePreparator
...
{
private String to; private String from; private String htmlContent; private String textContent; private String subject; private DataHandler dataHandler;
public DataHandler getDataHandler() ...{ return dataHandler;
} public void setDataHandler(DataHandler dataHandler) ...{ this.dataHandler = dataHandler; } public String getHtmlContent() ...{ return htmlContent; } public void setHtmlContent(String htmlContent) ...{ this.htmlContent = htmlContent; } public String getTextContent() ...{ return textContent; } public void setTextContent(String textContent) ...{ this.textContent = textContent; } public String getSubject() ...{ return subject; } public void setSubject(String subject) ...{ this.subject = subject; } public String getTo() ...{ return to; } public void setTo(String to) ...{ this.to = to; } public String getFrom() ...{ return from; } public void setFrom(String from) ...{ this.from = from; } public void prepare(MimeMessage msg) throws Exception ...{ //设置邮件信息 msg.addFrom(InternetAddress.parse(from)); msg.addRecipients(Message.RecipientType.TO, InternetAddress.parse(to)); msg.setSubject(subject); //创建multipart/alternative的包装器 MimeMultipart mimeMultipart=new MimeMultipart(); msg.setContent(mimeMultipart); //创建text的邮件体 BodyPart plainText=new MimeBodyPart(); plainText.setText(textContent); mimeMultipart.addBodyPart(plainText); //创建第二个multipart/alternative的包装器,封装html和内嵌图片 BodyPart relate=new MimeBodyPart(); MimeMultipart mr=new MimeMultipart(); relate.setContent(mr); mimeMultipart.addBodyPart(relate); //创建html内容和内嵌图片资源 BodyPart html=new MimeBodyPart(); html.setContent(htmlContent,"text/html"); mr.addBodyPart(html); BodyPart img=new MimeBodyPart(); img.setHeader("Content-ID", "abc"); img.setDisposition("inline"); img.setDataHandler(dataHandler); mr.addBodyPart(img); } 
}
package
ch15.ComplesChangeMail;
import
org.springframework.mail.javamail.JavaMailSenderImpl;
public
class
MessageSender
...
{ protected JavaMailSenderImpl sender; public void sendMessage(MessagePreparator msgP)...{ sender.send(msgP); } public JavaMailSenderImpl getSender() ...{ return sender; } public void setSender(JavaMailSenderImpl sender) ...{ this.sender = sender; } }
测试代码：
别忘了再classpath下加入一个名为mail.jpg图片
package
ch15.ComplesChangeMail;
import
java.io.File;
import
org.springframework.context.ApplicationContext;
import
org.springframework.context.support.ClassPathXmlApplicationContext;
public
class
ComplesChangeTest
...
{ public static void main(String[] args) throws Exception ...{ ApplicationContext context = new ClassPathXmlApplicationContext( "ch15/ComplesChangeMail/applicationContext.xml"); MessagePreparator messagePreparator = (MessagePreparator) context.getBean("messagePreparator"); MessageSender messageSender=(MessageSender)context.getBean("messageSender"); for (int i = 0; i < 10; i++) ...{ messageSender.sendMessage(messagePreparator); System.out.println("成功"); Thread.sleep(2000); //发送后延时2秒钟 } }}
别忘了再classpath下加入一个名为mail.jpg