基于Android的校园社团管理（Android studio毕业设计，Android课程设计）

package com.student.data.action; import java.io.IOException; import java.io.PrintWriter; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Date; import java.util.List; import java.util.Map; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import net.sf.json.JSONObject; import com.student.data.dao.CommunityDao; public class CommunityAction extends HttpServlet { private CommunityDao communityDao; public CommunityAction() { super(); } public void destroy() { super.destroy(); } public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doPost(request, response); } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String path = request.getContextPath(); response.setContentType("text/html;charset=utf-8"); request.setCharacterEncoding("utf-8"); response.setCharacterEncoding("utf-8"); PrintWriter out = response.getWriter(); String action_flag = request.getParameter("action_flag"); if (action_flag.equals("addMessage")) { addMessage(request, response); } else if (action_flag.equals("listMessage")) { listMessage(request, response); } else if (action_flag.equals("listMessageChoice")) { listMessageChoice(request, response); } else if (action_flag.equals("deleteCategory")) { deleteCategory(request, response); } else if (action_flag.equals("listMessageUser")) { listMessageUser(request, response); } else if (action_flag.equals("addCategory")) { addCategory(request, response); } else if (action_flag.equals("listMessageCategory")) { listMessageCategory(request, response); }else if (action_flag.equals("listMessageCategoryPhone")) { listMessageCategoryPhone(request, response); }else if (action_flag.equals("addCategoryPhone")) { addCategoryPhone(request, response); } else if (action_flag.equals("listMessageCategoryNotice")) { listMessageCategoryNotice(request, response); } else if (action_flag.equals("addCollect")) { addCollect(request, response); }else if (action_flag.equals("deleteCollect")) { deleteCollect(request, response); } else if (action_flag.equals("listMessageMyCollect")) { listMessageMyCollect(request, response); } else if (action_flag.equals("listMessageCategoryMyNotice")) { listMessageCategoryMyNotice(request, response); }else if (action_flag.equals("listMessageCategoryMyCommuity")) { listMessageCategoryMyCommuity(request, response); }else if (action_flag.equals("updateCommunity")) { updateCommunity(request, response); }else if (action_flag.equals("listSearchCommunity")) { listSearchCommunity(request, response); }else if (action_flag.equals("addCommunityCategory")) { addCommunityCategory(request, response); }else if (action_flag.equals("listMessageCategoryCm")) { listMessageCategoryCm(request, response); }else if (action_flag.equals("deleteCategoryCommunity")) { deleteCategoryCommunity(request, response); }else if (action_flag.equals("listMessageCategoryCommPhone")) { listMessageCategoryCommPhone(request, response); }else if (action_flag.equals("listMessageQueryCommunity")) { listMessageQueryCommunity(request, response); } } public void init() throws ServletException { communityDao = new CommunityDao(); } private void listSearchCommunity(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String path = request.getContextPath(); String cName = request.getParameter("cName"); String userId = request.getParameter("userId"); List<Map<String, Object>> list = communityDao.listSearchCommunity(cName,userId); JSONObject jsonmsg = new JSONObject(); jsonmsg.put("repMsg", "请求成功"); jsonmsg.put("repCode", "666"); jsonmsg.put("data", list); System.out.println(jsonmsg); response.getWriter().print(jsonmsg);// 将路径返回给客户端 } private void updateCommunity(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String path = request.getContextPath(); String cUserName = request.getParameter("cUserName"); String cMessage = request.getParameter("cMessage"); String cId = request.getParameter("cId"); List<Object> params = new ArrayList<Object>(); params.add(cUserName); params.add(cMessage); params.add(cId); boolean flag = communityDao.updateCommunity(params); if (flag) { JSONObject jsonmsg = new JSONObject(); jsonmsg.put("repMsg", "更新成功"); jsonmsg.put("repCode", "666"); System.out.println(jsonmsg); response.getWriter().print(jsonmsg);// 将路径返回给客户端 } else { JSONObject jsonmsg = new JSONObject(); jsonmsg.put("repMsg", "更新失败"); jsonmsg.put("repCode", "111"); System.out.println(jsonmsg); response.getWriter().print(jsonmsg);// 将路径返回给客户端 } } private void deleteCollect(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String path = request.getContextPath(); String cCategoryId = request.getParameter("cCategoryId"); String cUserId = request.getParameter("cUserId"); System.out.println(cCategoryId); List<Object> params = new ArrayList<Object>(); params.add(cCategoryId+""); params.add(cUserId+""); boolean flag = communityDao.deleteCollect(params); if (flag) { JSONObject jsonmsg = new JSONObject(); jsonmsg.put("repMsg", "收藏取消成功"); jsonmsg.put("repCode", "666"); System.out.println(jsonmsg); response.getWriter().print(jsonmsg);// 将路径返回给客户端 } else { JSONObject jsonmsg = new JSONObject(); jsonmsg.put("repMsg", "收藏取消失败"); jsonmsg.put("repCode", "666"); System.out.println(jsonmsg); response.getWriter().print(jsonmsg);// 将路径返回给客户端 } } private void addCollect(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String path = request.getContextPath(); String cUserId = request.getParameter("cUserId"); String cUserName = request.getParameter("cUserName"); String cCategoryId = request.getParameter("cCategoryId"); String cCategoryName = request.getParameter("cCategoryName"); List<Object> params = new ArrayList<Object>(); params.add(cUserId); params.add(cUserName); params.add(cCategoryId); params.add(cCategoryName); boolean flag = communityDao.addCollect(params); if (flag) { JSONObject jsonmsg = new JSONObject(); jsonmsg.put("repMsg", "收藏成功"); jsonmsg.put("repCode", "666"); System.out.println(jsonmsg); response.getWriter().print(jsonmsg);// 将路径返回给客户端 // response.sendRedirect(path + "/servlet/NoticeAction?action_flag=listMessage"); } else { JSONObject jsonmsg = new JSONObject(); jsonmsg.put("repMsg", "收藏失败"); jsonmsg.put("repCode", "111"); System.out.println(jsonmsg); // response.getWriter().print(jsonmsg);// 将路径返回给客户端 } } private void listMessageCategory(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String path = request.getContextPath(); // 已经进行分页之后的数据集合 List<Map<String, Object>> list_tea = communityDao.listMessageCategoryPc(); request.setAttribute("listMessage", list_tea); request.getRequestDispatcher("../categoryMessage.jsp").forward(request, response); } private void listMessageCategoryCm(HttpServletRequest request, HttpServletResponse response) throws S