JavaWeb基于MVC设计模式的大学生创新竞赛管理平台设计与实现源代码+数据库,含WAR文件，可直接部署

package cn.edu.tyust.scms.servlet; import java.io.IOException; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Date; import java.util.HashMap; import java.util.List; import java.util.Map; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import com.alibaba.fastjson.JSON; import cn.edu.tyust.scms.model.LoginlogInfo; import cn.edu.tyust.scms.model.User; import cn.edu.tyust.scms.service.LoginlogService; import cn.edu.tyust.scms.service.LoginlogServiceImpl; import cn.edu.tyust.scms.service.StatInfoService; import cn.edu.tyust.scms.service.StatInfoServiceImpl; import cn.edu.tyust.scms.service.StudentService; import cn.edu.tyust.scms.service.StudentServiceImpl; /** * Servlet implementation class StatisServlet */ @WebServlet("/StatisServlet") public class StatisServlet extends HttpServlet { private static final long serialVersionUID = 1L; /** * @see HttpServlet#HttpServlet() */ public StatisServlet() { super(); // TODO Auto-generated constructor stub } /** * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response) */ protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;charset=utf-8"); response.setCharacterEncoding("UTF-8"); PrintWriter out = response.getWriter(); StudentService studentService = new StudentServiceImpl(); StatInfoService statInfoService = new StatInfoServiceImpl(); LoginlogService loginlogService = new LoginlogServiceImpl(); String result = null; String jsonStr = JSON.toJSONString(result); String status = request.getParameter("status"); if (status.equals("getStuNum")) { result = studentService.findStudentInfos(null).size()+""; jsonStr = JSON.toJSONString(result); } else if (status.equals("getWinNum")) { Map<String, Object> map1 = new HashMap<String, Object>(); map1.put("award", "未获奖"); Map<String, Object> map2 = new HashMap<String, Object>(); map2.put("award", "待定"); result = statInfoService.findStatInfoCount(null)-statInfoService.findStatInfoCount(map1)-statInfoService.findStatInfoCount(map2)+""; jsonStr = JSON.toJSONString(result); } else if (status.equals("getLoserNum")) { Map<String, Object> map = new HashMap<String, Object>(); map.put("award", "未获奖"); result = statInfoService.findStatInfoCount(map)+""; jsonStr = JSON.toJSONString(result); } else if(status.equals("getLoginlog")) { HttpSession session = request.getSession(); User loginuser = (User) session.getAttribute("user"); Map<String, Object> map = new HashMap<String, Object>(); map.put("userid", loginuser.getUserid()); List<LoginlogInfo> loginlogInfoList = loginlogService.findLoginlogInfos(map); jsonStr = JSON.toJSONString(loginlogInfoList); } else if(status.equals("histogram_1")) { Map<String, Object> map = new HashMap<String, Object>(); List<Integer> countList = new ArrayList<Integer>(); int count = 0; String competitionid = request.getParameter("competitionid"); if (!competitionid.equals("")) { map.put("competitionid", competitionid); } String daterange = request.getParameter("daterange"); if (!daterange.equals("")) { String[] dateArray = daterange.split("~"); String startdate = dateArray[0]; String enddate = dateArray[1]; map.put("startdate", startdate); map.put("enddate", enddate); } map.put("majorid", "52"); count = statInfoService.findStatInfoCount(map); countList.add(count); map.put("majorid", "53"); count = statInfoService.findStatInfoCount(map); countList.add(count); map.put("majorid", "54"); count = statInfoService.findStatInfoCount(map); countList.add(count); map.put("majorid", "55"); count = statInfoService.findStatInfoCount(map); countList.add(count); map.put("majorid", "56"); count = statInfoService.findStatInfoCount(map); countList.add(count); jsonStr = JSON.toJSONString(countList); } else if(status.equals("histogram_2")) { Map<String, Object> map = new HashMap<String, Object>(); List<Integer> countList = new ArrayList<Integer>(); int count = 0; String competitionid = request.getParameter("competitionid"); if (!competitionid.equals("")) { map.put("competitionid", competitionid); } String daterange = request.getParameter("daterange"); if (!daterange.equals("")) { String[] dateArray = daterange.split("~"); String startdate = dateArray[0]; String enddate = dateArray[1]; map.put("startdate", startdate); map.put("enddate", enddate); } map.put("majorid", "52"); count = statInfoService.findWinStatInfo(map).size(); countList.add(count); map.put("majorid", "53"); count = statInfoService.findWinStatInfo(map).size(); countList.add(count); map.put("majorid", "54"); count = statInfoService.findWinStatInfo(map).size(); countList.add(count); map.put("majorid", "55"); count = statInfoService.findWinStatInfo(map).size(); countList.add(count); map.put("majorid", "56"); count = statInfoService.findWinStatInfo(map).size(); countList.add(count); jsonStr = JSON.toJSONString(countList); } else if(status.equals("pie_1")) { Map<String, Object> map = new HashMap<String, Object>(); List<Integer> countList = new ArrayList<Integer>(); int count = 0; String competitionid = request.getParameter("competitionid"); if (!competitionid.equals("")) { map.put("competitionid", competitionid); } String majorid = request.getParameter("majorid"); if (!majorid.equals("")) { map.put("majorid", majorid); } String classid = request.getParameter("classid"); if (!classid.equals("")) { map.put("classid", classid); } int year = new Date().getYear()+1900; if((new Date().getMonth()+1) < 9) { year--; } countList.add(year); map.put("grade", year-- + ""); count = statInfoService.findStatInfoCount(map); countList.add(count); map.put("grade", year-- + ""); count = statInfoService.findStatInfoCount(map); countList.add(count); map.put("grade", year-- + ""); count = statInfoService.findStatInfoCount(map); countList.add(count); map.put("grade", year-- + ""); count = statInfoService.findStatInfoCount(map); countList.add(count); jsonStr = JSON.toJSONString(countList); } else if(status.equals("pie_2")) { Map<String, Object> map = new HashMap<String, Object>(); List<Integer> countList = new ArrayList<Integer>()