Java超市订单管理系统

package com.github.servlet.user; import com.alibaba.fastjson.JSONArray; import com.github.pojo.Role; import com.github.pojo.User; import com.github.service.role.RoleService; import com.github.service.role.RoleServiceImpl; import com.github.service.user.UserService; import com.github.service.user.UserServiceImpl; import com.github.util.Constants; import com.github.util.PageSupport; import com.mysql.jdbc.StringUtils; import java.io.IOException; import java.io.PrintWriter; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.*; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class UserServlet extends HttpServlet { @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String method = request.getParameter("method"); System.out.println("method----> " + method); if(method != null && method.equals("savepwd")){ this.updatePwd(request, response); } else if(method.equals("pwdmodify") && method!=null){ this.pwdModify(request,response); } else if(method != null && method.equals("query")) { this.query(request,response); } else if(method != null && method.equals("add")){ this.add(request, response); } else if(method != null && method.equals("getrolelist")){ this.getRoleList(request, response); } else if(method != null && method.equals("ucexist")){ this.userCodeExist(request, response); } else if(method != null && method.equals("deluser")){ this.delUser(request, response); } else if(method != null && method.equals("view")){ this.getUserById(request, response,"userview.jsp"); } else if(method != null && method.equals("modify")){ this.getUserById(request, response,"usermodify.jsp"); } else if(method != null && method.equals("modifyexe")){ this.modify(request, response); } } @Override protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String method = request.getParameter("method"); System.out.println("method----> " + method); if(method != null && method.equals("savepwd")){ this.updatePwd(request, response); } else if(method.equals("pwdmodify") && method!=null){ this.pwdModify(request,response); } else if(method != null && method.equals("query")) { this.query(request,response); } else if(method != null && method.equals("add")){ this.add(request, response); } else if(method != null && method.equals("getrolelist")){ this.getRoleList(request, response); } else if(method != null && method.equals("ucexist")){ this.userCodeExist(request, response); } else if(method != null && method.equals("deluser")){ this.delUser(request, response); } else if(method != null && method.equals("view")){ this.getUserById(request, response,"userview.jsp"); } else if(method != null && method.equals("modify")){ this.getUserById(request, response,"usermodify.jsp"); } else if(method != null && method.equals("modifyexe")){ this.modify(request, response); } } // 修改密码 public void updatePwd(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // 从Session中取ID Object o = request.getSession().getAttribute(Constants.USER_SESSION); String newpassword = request.getParameter("newpassword"); System.out.println("UserServlet3:"+newpassword); boolean flag = false; if(o != null && !StringUtils.isNullOrEmpty(newpassword)){ UserService userService = new UserServiceImpl(); flag = userService.updatePwd(((User)o).getId(),newpassword); if(flag){ request.setAttribute(Constants.SYS_MESSAGE, "修改密码成功,请退出并使用新密码重新登录！"); // 密码修改成功，session注销 request.getSession().removeAttribute(Constants.USER_SESSION); }else{ request.setAttribute(Constants.SYS_MESSAGE, "修改密码失败！"); } }else{ request.setAttribute(Constants.SYS_MESSAGE, "修改密码失败！"); } request.getRequestDispatcher("pwdmodify.jsp").forward(request, response); } // 验证旧密码,session中有用户的密码 public void pwdModify(HttpServletRequest req, HttpServletResponse resp) throws IOException { // 从Session中取ID Object o = req.getSession().getAttribute(Constants.USER_SESSION); String oldpassword = req.getParameter("oldpassword"); Map<String, String> resultMap = new HashMap<String, String>(); // session过期 if(null == o ){ resultMap.put("result", "sessionerror"); }else if(StringUtils.isNullOrEmpty(oldpassword)){ // 旧密码输入为空 resultMap.put("result", "error"); }else{ String sessionPwd = ((User)o).getUserPassword(); if(oldpassword.equals(sessionPwd)){ resultMap.put("result", "true"); }else{ // 旧密码输入不正确 resultMap.put("result", "false"); } } resp.setContentType("application/json"); PrintWriter outWriter = resp.getWriter(); // JSONArray 阿里巴巴的JSON工具类 outWriter.write(JSONArray.toJSONString(resultMap)); outWriter.flush(); outWriter.close(); } // 用户管理 public void query(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // 查询用户列表 String queryUserName = request.getParameter("queryname"); String temp = request.getParameter("queryUserRole"); String pageIndex = request.getParameter("pageIndex"); int queryUserRole = 0; UserService userService = new UserServiceImpl(); List<User> userList = null; // 设置页面容量 int pageSize = Constants.pageSize; // 当前页码 int currentPageNo = 1; /** * http://localhost:8090/SMBMS/userlist.do * ----queryUserName --NULL * http://localhost:8090/SMBMS/userlist.do?queryname= * --queryUserName ---"" */ System.out.println("queryUserName servlet-------->"+queryUserName); System.out.println("queryUserRole servlet-------->"+queryUserRole); System.out.println("query pageIndex----------> " + pageIndex); if(queryUserName == null){ queryUserName = ""; } if(temp != null && !temp.equals("")){ queryUserRole = Integer.parseInt(temp); } if(pageIndex != null){ try{ currentPageNo = Integer.valueOf(pageIndex); }catch(NumberFormatException e){ response.sendRedirect("error.jsp"); } } // 获取用户总数 int totalCount = userService.getUserCount(queryUserName,queryUserRole); // 总页数 PageSupport pages=new PageSupport(); pages.setCurrentPageNo(currentPageNo); pages.setPageSize(pageSize); pages.setTotalCount(totalCount); int totalPageCount = pages.getTotalPageCount(); // 控制首页和尾页 if(currentPageNo < 1){ currentPageNo = 1; }else if(currentPageNo > totalPageCount){ currentPageNo = totalPageCount; } us