Java Mail...连接不上服务器...麻烦帮忙看看.. 学习中!!!我认为应该现在的邮箱中都增加了身份验证,就象在FOXMAIL 或OUTLOOK中都有这一项设置,但我也不会如何解决!!!一起学习中!!! 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 1. import java.awt.*; 2. import java.awt.event.*; 3. import java.util.*; 4. import java.net.*; 5. import java.io.*; 6. import javax.swing.*; 7. 8. /** 9. This program shows how to use sockets to send plain text 10. mail messages. 11. */ 12. public class MailTest 13. { 14. public static void main(String[] args) 15. { 16. JFrame frame = new MailTestFrame(); 17. frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 18. frame.setVisible(true); 19. } 20. } 21. 22. /** 23. The frame for the mail GUI. 24. */ 25. class MailTestFrame extends JFrame 26. { 27. public MailTestFrame() 28. { 29. setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT); 30. setTitle("MailTest"); 31. 32. setLayout(new GridBagLayout()); 33. 34. // we use the GBC convenience class of Core Java Volume 1 Chapter 9 35. add(new JLabel("From:"), new GBC(0, 0).setFill(GBC.HORIZONTAL)); 36. 37. from = new JTextField(20); 38. add(from, new GBC(1, 0).setFill(GBC.HORIZONTAL).setWeight(100, 0)); 39. 40. add(new JLabel("To:"), new GBC(0, 1).setFill(GBC.HORIZONTAL)); 41. 42. to = new JTextField(20); 43. add(to, new GBC(1, 1).setFill(GBC.HORIZONTAL).setWeight(100, 0)); 44. 45. add(new JLabel("SMTP server:"), new GBC(0, 2).setFill(GBC.HORIZONTAL)); 46. 47. smtpServer = new JTextField(20); 48. add(smtpServer, new GBC(1, 2).setFill(GBC.HORIZONTAL).setWeight(100, 0)); 49. 50. message = new JTextArea(); 51. add(new JScrollPane(message), new GBC(0, 3, 2, 1).setFill(GBC.BOTH).setWeight(100, 100)); 52. 53. comm = new JTextArea(); 54. add(new JScrollPane(comm), new GBC(0, 4, 2, 1).setFill(GBC.BOTH).setWeight(100, 100)); 55. 56. JPanel buttonPanel = new JPanel(); 57. add(buttonPanel, new GBC(0, 5, 2, 1)); 58. 59. JButton sendButton = new JButton("Send"); 60. buttonPanel.add(sendButton); 61. sendButton.addActionListener(new 62. ActionListener() 63. { 64. public void actionPerformed(ActionEvent event) 65. { 66. new Thread(new 67. Runnable() 68. { 69. public void run() 70. { 71. comm.setText(""); 72. sendMail(); 73. } 74. }).start(); 75. } 76. }); 77. } 78. 79. /** 80. Sends the mail message that has been authored in the GUI. 81. */ 82. public void sendMail() 83. { 84. try 85. { 86. Socket s = new Socket(smtpServer.getText(), 25); 87. 88. InputStream inStream = s.getInputStream(); 89. OutputStream outStream = s.getOutputStream(); 90. 91. in = new Scanner(inStream); 92. out = new PrintWriter(outStream, true /* autoFlush */); 93. 94. String hostName = InetAddress.getLocalHost().getHostName(); 95. 96. receive(); 97. send("HELO " + hostName); 98. receive(); 99. send("MAIL FROM: <" + from.getText() + ">");100. receive();101. send("RCPT TO: <" + to.getText() + ">");102. receive();103. send("DATA");104. receive();105. send(message.getText());106. send(".");107. receive();108. s.close();109. }110. catch (IOException e)111. {112. comm.append("Error: " + e);113. }114. }115.116. /**117. Sends a string to the socket and echoes it in the118. comm text area.119. @param s the string to send.120. */121. public void send(String s) throws IOException122. {123. comm.append(s);124. comm.append("\n");125. out.print(s.replaceAll("\n", "\r\n"));126. out.print("\r\n");127. out.flush();128. }129.130. /**131. Receives a string from the socket and displays it132. in the comm text area.133. */134. public void receive() throws IOException135. {136. if (in.hasNextLine());137. {138. String line = in.nextLine();139. comm.append(line);140. comm.append("\n");141. }142. }143.144. private Scanner in;145. private PrintWriter out;146. private JTextField from;147. private JTextField to;148. private JTextField smtpServer;149. private JTextArea message;150. private JTextArea comm;151.152. public static final int DEFAULT_WIDTH = 300;153. public static final int DEFAULT_HEIGHT = 300;154. }以上是Core Java™ 2 Volume II - Advanced Features, Seventh Edition中的代码,没细看,供楼主参考! 中国联通彩信接口 大侠帮帮忙啊? 在线等......... preparedStatement打印不带问号的sql java EE Browser端操纵硬件怎么实现啊? Abator 生成的Example的,怎么用selectByExample呢? 哥哥姐姐们,请教一个简单的程序........ 希望大家一起来讨论一下CMP2.0的一些特性和局限性(PROCEDURE,MAX,SUM等),参与者有分 EJB QL问题 谁能提供J2EE几个例子,给20分 关于地址值 html:select让它显示数据库的内容,页面如何设置呀? 读xml文件报错
2. import java.awt.event.*;
3. import java.util.*;
4. import java.net.*;
5. import java.io.*;
6. import javax.swing.*;
7.
8. /**
9. This program shows how to use sockets to send plain text
10. mail messages.
11. */
12. public class MailTest
13. {
14. public static void main(String[] args)
15. {
16. JFrame frame = new MailTestFrame();
17. frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
18. frame.setVisible(true);
19. }
20. }
21.
22. /**
23. The frame for the mail GUI.
24. */
25. class MailTestFrame extends JFrame
26. {
27. public MailTestFrame()
28. {
29. setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
30. setTitle("MailTest");
31.
32. setLayout(new GridBagLayout());
33.
34. // we use the GBC convenience class of Core Java Volume 1 Chapter 9
35. add(new JLabel("From:"), new GBC(0, 0).setFill(GBC.HORIZONTAL));
36.
37. from = new JTextField(20);
38. add(from, new GBC(1, 0).setFill(GBC.HORIZONTAL).setWeight(100, 0));
39.
40. add(new JLabel("To:"), new GBC(0, 1).setFill(GBC.HORIZONTAL));
41.
42. to = new JTextField(20);
43. add(to, new GBC(1, 1).setFill(GBC.HORIZONTAL).setWeight(100, 0));
44.
45. add(new JLabel("SMTP server:"), new GBC(0, 2).setFill(GBC.HORIZONTAL));
46.
47. smtpServer = new JTextField(20);
48. add(smtpServer, new GBC(1, 2).setFill(GBC.HORIZONTAL).setWeight(100, 0));
49.
50. message = new JTextArea();
51. add(new JScrollPane(message), new GBC(0, 3, 2, 1).setFill(GBC.BOTH).setWeight
(100, 100));
52.
53. comm = new JTextArea();
54. add(new JScrollPane(comm), new GBC(0, 4, 2, 1).setFill(GBC.BOTH).setWeight(100,
100));
55.
56. JPanel buttonPanel = new JPanel();
57. add(buttonPanel, new GBC(0, 5, 2, 1));
58.
59. JButton sendButton = new JButton("Send");
60. buttonPanel.add(sendButton);
61. sendButton.addActionListener(new
62. ActionListener()
63. {
64. public void actionPerformed(ActionEvent event)
65. {
66. new Thread(new
67. Runnable()
68. {
69. public void run()
70. {
71. comm.setText("");
72. sendMail();
73. }
74. }).start();
75. }
76. });
77. }
78.
79. /**
80. Sends the mail message that has been authored in the GUI.
81. */
82. public void sendMail()
83. {
84. try
85. {
86. Socket s = new Socket(smtpServer.getText(), 25);
87.
88. InputStream inStream = s.getInputStream();
89. OutputStream outStream = s.getOutputStream();
90.
91. in = new Scanner(inStream);
92. out = new PrintWriter(outStream, true /* autoFlush */);
93.
94. String hostName = InetAddress.getLocalHost().getHostName();
95.
96. receive();
97. send("HELO " + hostName);
98. receive();
99. send("MAIL FROM: <" + from.getText() + ">");
100. receive();
101. send("RCPT TO: <" + to.getText() + ">");
102. receive();
103. send("DATA");
104. receive();
105. send(message.getText());
106. send(".");
107. receive();
108. s.close();
109. }
110. catch (IOException e)
111. {
112. comm.append("Error: " + e);
113. }
114. }
115.
116. /**
117. Sends a string to the socket and echoes it in the
118. comm text area.
119. @param s the string to send.
120. */
121. public void send(String s) throws IOException
122. {
123. comm.append(s);
124. comm.append("\n");
125. out.print(s.replaceAll("\n", "\r\n"));
126. out.print("\r\n");
127. out.flush();
128. }
129.
130. /**
131. Receives a string from the socket and displays it
132. in the comm text area.
133. */
134. public void receive() throws IOException
135. {
136. if (in.hasNextLine());
137. {
138. String line = in.nextLine();
139. comm.append(line);
140. comm.append("\n");
141. }
142. }
143.
144. private Scanner in;
145. private PrintWriter out;
146. private JTextField from;
147. private JTextField to;
148. private JTextField smtpServer;
149. private JTextArea message;
150. private JTextArea comm;
151.
152. public static final int DEFAULT_WIDTH = 300;
153. public static final int DEFAULT_HEIGHT = 300;
154. }
以上是Core Java™ 2 Volume II - Advanced Features, Seventh Edition中的代码,没细看,供楼主参考!