首先,请参考这一片文章,配置好James邮件服务器
http://blog.youkuaiyun.com/daryl715/archive/2007/09/14/1784869.aspx
为了发送一副内嵌图片的HTML的电子邮件,你必须先组装html消息,然后再把图片作为mime的消息额外部分添加进去,再添加一个 mime部分时,你可以先给他关联一个Content-id,一个Content-id是来在html里引用图片的,在使用MimeMessageHelper时候,spring帮你处理了这个过程后的很逻辑
抽象类:
package
ch15.SimplePicMail;
import
org.springframework.mail.javamail.JavaMailSenderImpl;

public
abstract
class
AbstractMessageSender
...
{
protected String to;
protected String from;
protected String subject;
protected String text;
protected JavaMailSenderImpl sender;
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 String getSubject() ...{
return subject;
}
public void setSubject(String subject) ...{
this.subject = subject;
}
public String getText() ...{
return text;
}
public void setText(String text) ...{
this.text = text;
}
public JavaMailSenderImpl getSender() ...{
return sender;
}
public void setSender(JavaMailSenderImpl sender) ...{
this.sender = sender;
}
}
实现类:
package
ch15.SimplePicMail;
import
javax.mail.MessagingException;
import
javax.mail.internet.MimeMessage;
import
org.springframework.core.io.FileSystemResource;
import
org.springframework.mail.javamail.MimeMessageHelper;

public
class
SimplePICMessageSender
extends
AbstractMessageSender
...
{
private MimeMessageHelper helper;
private MimeMessage msg;
private FileSystemResource img;

public FileSystemResource getImg() ...{
return img;
}

public void setImg(FileSystemResource img) ...{
this.img = img;
}

public void sendMessage()...{
msg=sender.createMimeMessage();

try ...{
helper=new MimeMessageHelper(msg,true); //使用内嵌资源时,需要额外配置一个true参数
helper.setTo(to);
helper.setFrom(from);
helper.setSubject(subject);
helper.setText(text,true);//true表示text/html格式邮件
helper.addInline("abc", img); //加入一个名为abc的内嵌资源
System.out.println(img);
}catch (MessagingException e) ...{
System.out.println(e.getMessage());
}
sender.send(msg);
}
}
配置文件:
<?
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
="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
="messageSender"
class
="ch15.SimplePicMail.SimplePICMessageSender"
>
<
property
name
="sender"
>
<
ref
bean
="sender"
/>
</
property
>
<
property
name
="to"
>
<
value
>
daryl715@tom.com
</
value
>
</
property
>
<
property
name
="from"
>
<
value
>
gaoxiang@king.cn
</
value
>
</
property
>
<
property
name
="subject"
>
<
value
>
html mime mail
</
value
>
</
property
>
<!--
此处用cid:abc 表示实用的一个内嵌资源,名称为abc
-->
<
property
name
="text"
>
<
value
>
<![CDATA[
<html><head><body>this is a pic mail<img src="cid:abc"></body></head></html>
]]>
</
value
>
</
property
>
<
property
name
="img"
>
<
bean
class
="org.springframework.core.io.FileSystemResource"
>
<
constructor-arg
>
<
bean
class
="java.io.File"
>
<
constructor-arg
>
<
value
>
./src/ch15/SimplePicMail/mail.jpg
</
value
>
</
constructor-arg
>
</
bean
>
</
constructor-arg
>
</
bean
>
</
property
>
</
bean
>


</
beans
>
测试代码:
package
ch15.SimplePicMail;
import
java.io.File;
import
org.springframework.context.ApplicationContext;
import
org.springframework.context.support.ClassPathXmlApplicationContext;

public
class
SimplePICTest
...
{


public static void main(String[] args) throws Exception ...{
ApplicationContext context=new ClassPathXmlApplicationContext("ch15/SimplePicMail/applicationContext.xml");
SimplePICMessageSender mailSender=(SimplePICMessageSender)context.getBean("messageSender");

for (int i = 0; i < 10; i++) ...{
mailSender.sendMessage();
System.out.println("成功");
Thread.sleep(2000); //发送后延时2秒钟
}
}



}
总体来说,最好避免使用内嵌图片,而使用url来访问图片,许多电子邮件客户端对内嵌图片支持有一定的问题,尤其是当他们组成像“复杂mime”时
本文介绍如何使用Spring框架发送带有内嵌图片的HTML格式电子邮件,包括配置JavaMailSenderImpl、创建MimeMessageHelper并添加内嵌资源的过程。

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