用Java发送图文并茂的HTML邮件

推荐：用在JavaScript的RequestHelper
碰到一个小小的需求,就是要根据传入的锚(也就是url中#后面的东西啦)来显示不同的内容,记得以前写了的,不知道被我丢到哪去了,又要重新写一个,顺便把功能整理加强了一些,加入了取QueryString

1. package com.syj;
2.  
3. import java.io.ByteArrayOutputStream;
4. import java.io.FileInputStream;
5. import java.io.IOException;
6. import java.util.Arrays;
7. import java.util.Date;
8. import java.util.Properties;
9.  
10. import javax.activation.DataHandler;
11. import javax.activation.FileDataSource;
12. import javax.mail.Authenticator;
13. import javax.mail.Message;
14. import javax.mail.PasswordAuthentication;
15. import javax.mail.Session;
16. import javax.mail.Transport;
17. import javax.mail.internet.InternetAddress;
18. import javax.mail.internet.MimeMessage;
19.  
20. import javax.mail.BodyPart;
21. import javax.mail.Multipart;
22. import javax.mail.internet.MimeBodyPart;
23. import javax.mail.internet.MimeMultipart;
24.  
25. import com.sun.istack.internal.ByteArrayDataSource;
26.  
27. /**
28. * <P>
29. * Title:用java发送邮件的例子
30. * </P>
31. *
32. * <P>
33. * Description:发送图片附件并在html中使用该图片
34. * </P>
35. *
36. * <P>
37. * Copyright: Copyright (c) 2007
38. * </P>
39. *
40. * @author 孙钰佳
41. * @main sunyujia@yahoo.cn
42. * @date Jun 10, 2008 12:35:26 AM
43. */
44. public class SendMail {
45. private static String username = "xxxx";
46. private static String password = "xxxx";
47. private static String smtpServer = "smtp.163.com";
48. private static String fromMailAddress = "xxxx@163.com";
49. private static String toMailAddress = "sunyujia@yahoo.cn";
50.  
51. public static void main(String[] args) throws Exception {
52. Properties props = new Properties();
53. props.put("mail.smtp.auth", "true");
54. props.put("mail.smtp.host", smtpServer);
55. // 获得邮件会话对象
56. Session session = Session.getDefaultInstance(props,
57. new SmtpAuthenticator(username, password));
58. /** *************************************************** */
59. // 创建MIME邮件对象
60. MimeMessage mimeMessage = new MimeMessage(session);
61. mimeMessage.setFrom(new InternetAddress(fromMailAddress));// 发件人
62. mimeMessage.setRecipient(Message.RecipientType.TO, new InternetAddress(
63. toMailAddress));// 收件人
64. mimeMessage.setSubject("主题");
65. mimeMessage.setSentDate(new Date());// 发送日期
66. Multipart mp = new MimeMultipart("related");// related意味着可以发送html格式的邮件
67. /** *************************************************** */
68. BodyPart bodyPart = new MimeBodyPart();// 正文
69. bodyPart.setDataHandler(new DataHandler("测<img src="cid:IMG1" />试",
70. "text/html;charset=GBK"));// 网页格式
71. /** *************************************************** */
72. BodyPart attachBodyPart = new MimeBodyPart();// 普通附件
73. FileDataSource fds = new FileDataSource("c:/boot.ini");
74. attachBodyPart.setDataHandler(new DataHandler(fds));
75. attachBodyPart.setFileName("=?GBK?B?"
76. new sun.misc.BASE64Encoder().encode(fds.getName().getBytes())
77. "?=");// 解决附件名中文乱码
78. mp.addBodyPart(attachBodyPart);
79. /** *************************************************** */
80. MimeBodyPart imgBodyPart = new MimeBodyPart(); // 附件图标
81. byte[] bytes = readFile("C:/button.gif");
82. ByteArrayDataSource fileds = new ByteArrayDataSource(bytes,
83. "application/octet-stream");
84. imgBodyPart.setDataHandler(new DataHandler(fileds));
85. imgBodyPart.setFileName("button.gif");
86. imgBodyPart.setHeader("Content-ID", "<IMG1></IMG1>");// 在html中使用该图片方法src="cid:IMG1"
87. mp.addBodyPart(imgBodyPart);
88. /** *************************************************** */
89. mp.addBodyPart(bodyPart);
90. mimeMessage.setContent(mp);// 设置邮件内容对象
91. Transport.send(mimeMessage);// 发送邮件
92.  
93. }
94.  
95. /**
96. * 读取文件
97. *
98. * @param file
99. * 文件路径
100. * @return 返回二进制数组
101. */
102. public static byte[] readFile(String file) {
103. FileInputStream fis = null;
104. ByteArrayOutputStream bos = null;
105. try {
106. fis = new FileInputStream(file);
107. bos = new ByteArrayOutputStream();
108. int bytesRead;
109. byte buffer[] = new byte[1024 * 1024];
110. while ((bytesRead = fis.read(buffer)) != -1) {
111. bos.write(buffer, 0, bytesRead);
112. Arrays.fill(buffer, (byte) 0);
113. }
114. } catch (IOException e1) {
115. e1.printStackTrace();
116. } finally {
117. try {
118. if (bos != null)
119. bos.close();
120. } catch (IOException e) {
121. e.printStackTrace();
122. }
123. }
124. return bos.toByteArray();
125. }
126. }
127.  
128. /**
129. * Smtp认证
130. */
131. class SmtpAuthenticator extends Authenticator {
132. String username = null;
133. String password = null;
134.  
135. // SMTP身份验证
136. public SmtpAuthenticator(String username, String password) {
137. this.username = username;
138. this.password = password;
139. }
140.  
141. public PasswordAuthentication getPasswordAuthentication() {
142. return new PasswordAuthentication(this.username, this.password);
143. }
144.  
145. }

分享：ASP.NET2.0中控件的简单异步回调
虽然已经有了ASP.NET AJAX了，最近学习ASP.NET控件的时候，逐步理解了原始的控件异步回调（代码取自《ASP.NET 2.0 高级编程》）： 首先，在Render事件中添加好一个事件