一体化实践课程设计javaweb电商后台管理系统源码+项目文档+汇报PPT.zip

package com.servlet; import com.bean.UserBean; import com.bean.pageBean; import com.dao.UserChange; import com.dao.UserListDao; import com.dao.UserAdd; import com.dao.UserSelect; import com.google.gson.JsonArray; import com.google.gson.JsonObject; import com.service.UserListService; import com.service.UserService; import com.util.JsonConvert; import com.util.TokenUtils; 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 java.io.IOException; import java.io.PrintWriter; import java.sql.ResultSet; import java.sql.SQLException; import java.time.LocalDateTime; import java.time.format.DateTimeFormatter; import java.util.*; @WebServlet("/users/*") public class users extends HttpServlet { @Override//查询用户 protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { String token = req.getHeader("authorization"); req.setCharacterEncoding("utf8"); resp.setCharacterEncoding("utf8"); PrintWriter out = resp.getWriter(); JsonObject jsonObject = new JsonObject(); String uri = req.getRequestURI(); String query; int pagenum; int pagesize; if(!TokenUtils.verify(token)){ jsonObject.addProperty("success","no"); out.println(jsonObject); }else if(!uri.equals("/users")){ try { find(req,resp); } catch (SQLException e) { e.printStackTrace(); } }else{ query = req.getParameter("query"); pagenum = Integer.parseInt(req.getParameter("pagenum")); pagesize = Integer.parseInt(req.getParameter("pagesize")); pageBean page = new pageBean(); page.setPagenum(pagenum); page.setPagesize(pagesize); page.setQuery(query); try { JsonArray userlist = UserListService.getUserList(page); int total = UserListDao.getTotal(page); JsonObject result = new JsonObject(); result.add("userlist",userlist); result.addProperty("total",total); out.println(result); } catch (SQLException e) { e.printStackTrace(); } } } @Override//改电话号 protected void doPut(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { PrintWriter out = resp.getWriter(); JsonObject meta = new JsonObject(); JsonObject object = new JsonObject(); JsonObject result = new JsonObject(); JsonObject data = new JsonObject(); String token = req.getHeader("authorization"); if(!TokenUtils.verify(token)){ object.addProperty("success","no"); out.println(object); }else{ String uri = req.getRequestURI(); int id = Integer.parseInt(uri.substring(uri.lastIndexOf("/")+1)); object = JsonConvert.JsonChange(req); UserBean user = new UserBean(); user.setId(id); user.setPhone(object.get("mobile").getAsInt()); try { UserService uService = new UserService(); uService.updatePhone(user); user = uService.getUser(id); data.addProperty("id",user.getId()); data.addProperty("username",user.getUsername()); data.addProperty("mobile",user.getPhone()); meta.addProperty("msg","yes"); meta.addProperty("status","200"); result.add("data",data); result.add("meta",meta); } catch (SQLException e) { meta.addProperty("msg","no"); meta.addProperty("status","500"); result.add("data",null); result.add("meta",meta); e.printStackTrace(); } out.println(result); } } @Override//添加用户 protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { String token = req.getHeader("authorization"); req.setCharacterEncoding("utf8"); resp.setCharacterEncoding("utf8"); PrintWriter out = resp.getWriter(); JsonObject jsonResult = new JsonObject(); if(!TokenUtils.verify(token)){ jsonResult.addProperty("success","no"); out.println(jsonResult); }else{ jsonResult = JsonConvert.JsonChange(req); UserBean user = new UserBean(); user.setUsername(jsonResult.get("username").getAsString()); user.setPassword(jsonResult.get("password").getAsString()); user.setPhone(jsonResult.get("phone").getAsInt()); LocalDateTime now = LocalDateTime.now(); String time = now.format(DateTimeFormatter.ofPattern("yyyy/MM/dd HH:mm:ss")); user.setCreateTime(time); try { new UserService().add(user); jsonResult.addProperty("success","yes"); } catch (SQLException e) { jsonResult.addProperty("success","no"); e.printStackTrace(); } out.println(jsonResult); } } //根据id找用户 protected void find(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException, SQLException { req.setCharacterEncoding("utf8"); resp.setCharacterEncoding("utf8"); PrintWriter out = resp.getWriter(); JsonObject meta = new JsonObject(); JsonObject result = new JsonObject(); JsonObject data = new JsonObject(); String uri = req.getRequestURI(); int id = Integer.parseInt(uri.substring(uri.lastIndexOf("/")+1)); UserBean user = new UserService().getUser(id); data.addProperty("id",user.getId()); data.addProperty("username",user.getUsername()); data.addProperty("mobile",String.valueOf(user.getPhone())); meta.addProperty("msg","ok"); meta.addProperty("status",200); result.add("data",data); result.add("meta",meta); out.println(result); } }