部分代码：

1. package com.gym.user.action;
2. import java.io.IOException;
3. import java.io.PrintWriter;
4. import java.util.ArrayList;
5. import java.util.List;
6. import javax.servlet.RequestDispatcher;
7. import javax.servlet.ServletException;
8. import javax.servlet.http.HttpServlet;
9. import javax.servlet.http.HttpServletRequest;
10. import javax.servlet.http.HttpServletResponse;
11. import com.gym.model.UserModel;
12. import com.gym.user.service.impl.UserServiceImpl;
13. import com.gym.utils.CheckOnline;
14. import com.gym.utils.Constant;
15. import com.gym.utils.Md5;
16. public class UserAction extends HttpServlet {
17. /**
18. * The doGet method of the servlet. <br>
19. *
20. * This method is called when a form has its tag value method equals to get.
21. *
22. * @param request
23. *            the request send by the client to the server
24. * @param response
25. *            the response send by the server to the client
26. * @throws ServletException
27. *             if an error occurred
28. * @throws IOException
29. *             if an error occurred
30. */
31. public void doGet(HttpServletRequest request, HttpServletResponse response)
32. throws ServletException, IOException {
33. request.setCharacterEncoding("utf-8");
34. String action = request.getParameter("action");
35. // 检查用户是否在线
36. if (!CheckOnline.isUserOnline(request)) {
37. response.sendRedirect("../login.html");// 不在线，跳转到登录页面
38. return;
39. }
40. String userId = request.getSession().getAttribute("uId").toString();
41. UserServiceImpl userServiceImpl = new UserServiceImpl();
42. if (action == null) { // 显示个人中心首页
43. UserModel userModel = userServiceImpl.queryUserInfoById(userId);
44. List userList = new ArrayList();
45. userList.add(userModel);
46. RequestDispatcher dispatcher = request
47. .getRequestDispatcher("/usercenter/index.jsp");
48. request.setAttribute("userList", userList);
49. dispatcher.forward(request, response);
50. } else if (action.equals("alterinfo")) { // 显示修改个人信息页面
51. UserModel userModel = userServiceImpl.queryUserInfoById(userId);
52. List userList = new ArrayList();
53. userList.add(userModel);
54. RequestDispatcher dispatcher = request
55. .getRequestDispatcher("/usercenter/alterinfo.jsp");
56. request.setAttribute("userList", userList);
57. dispatcher.forward(request, response);
58. } else if (action.equals("resetpwd")) { // 显示修改密码页面
59. RequestDispatcher dispatcher = request
60. .getRequestDispatcher("/usercenter/resetpwd.jsp");
61. dispatcher.forward(request, response);
62. } else if (action.equals("mybook")) {
63. UserModel userModel = new UserModel();
64. userModel.setuId((String) request.getSession().getAttribute("uId"));
65. List myGroundBookList = userServiceImpl.queryMyBook(userModel);
66. RequestDispatcher dispatcher = request
67. .getRequestDispatcher("/usercenter/mybook.jsp");
68. request.setAttribute("myGroundBookList", myGroundBookList);
69. dispatcher.forward(request, response);
70. } else if (action.equals("myrent")) {
71. UserModel userModel = new UserModel();
72. userModel.setuId((String) request.getSession().getAttribute("uId"));
73. List myEquipmentRentList = userServiceImpl.queryMyRent(userModel);
74. RequestDispatcher dispatcher = request
75. .getRequestDispatcher("/usercenter/myrent.jsp");
76. request.setAttribute("myEquipmentRentList", myEquipmentRentList);
77. dispatcher.forward(request, response);
78. } else {
79. RequestDispatcher dispatcher = request
80. .getRequestDispatcher("/error.jsp");
81. dispatcher.forward(request, response);
82. }
83. }
84. /**
85. * The doPost method of the servlet. <br>
86. *
87. * This method is called when a form has its tag value method equals to
88. * post.
89. *
90. * @param request
91. *            the request send by the client to the server
92. * @param response
93. *            the response send by the server to the client
94. * @throws ServletException
95. *             if an error occurred
96. * @throws IOException
97. *             if an error occurred
98. */
99. public void doPost(HttpServletRequest request, HttpServletResponse response)
100. throws ServletException, IOException {
101. request.setCharacterEncoding("utf-8");
102. String action = request.getParameter("action");
103. // 检查用户是否在线
104. if (!CheckOnline.isUserOnline(request)) {
105. response.sendRedirect("../login.html");
106. return;
107. }
108. String userId = request.getSession().getAttribute("uId").toString();
109. UserServiceImpl userServiceImpl = new UserServiceImpl();
110. UserModel userModel = new UserModel();
111. if (action == null) {
112. } else if (action.equals("alter")) { // 执行修改个人信息动作
113. userModel.setuId(userId);
114. userModel.setuEmail(request.getParameter("email"));
115. userModel.setuIdCard(request.getParameter("idcard"));
116. userModel.setuPhone(request.getParameter("phone"));
117. userModel.setuName(request.getParameter("name"));
118. switch (userServiceImpl.alterUserInfo(userModel)) {
119. case Constant.SUCCESS:
120. request.getSession()
121. .setAttribute("uName", userModel.getuName()); // 更新session
122. response.sendRedirect("../success.jsp");
123. break;
124. case Constant.ERROR:
125. response.sendRedirect("../error.jsp?errorCode="
126. + Constant.ERROR);
127. break;
128. default:
129. break;
130. }
131. } else if (action.equals("resetpwd")) { // 执行修改密码动作
132. userModel.setuId(userId);
133. String oldPwd = request.getParameter("oldpwd");
134. String newPwd1 = request.getParameter("newpwd1");
135. String newPwd2 = request.getParameter("newpwd2");
136. switch (userServiceImpl.alterUserPwd(userModel, oldPwd, newPwd1,
137. newPwd2)) {
138. case Constant.SUCCESS:
139. request.getSession()
140. .setAttribute("uName", userModel.getuName()); // 更新session
141. request.getSession().setAttribute("uId", userModel.getuId()); // 更新session
142. response.sendRedirect("../success.jsp");
143. break;
144. case Constant.ERROR:
145. response.sendRedirect("../error.jsp?errorCode="
146. + Constant.ERROR);
147. break;
148. case Constant.USERPWDERROR:
149. response.sendRedirect("../error.jsp?errorCode="
150. + Constant.USERPWDERROR);
151. break;
152. case Constant.PASSWORDDIFFER:
153. response.sendRedirect("../error.jsp?errorCode="
154. + Constant.PASSWORDDIFFER);
155. break;
156. default:
157. break;
158. }
159. }
160. }
161. }

转自： 广东海洋大学体育馆管理系统 源代码 - jsp代码库 - 云代码 http://yuncode.net/code/c_511527388c75a79