Java项目:教材管理系统(java+SSM+jsp+mysql+maven)

package com.dev.books.controller; import com.alibaba.fastjson.JSON; import com.dev.books.pojo.Book; import com.dev.books.pojo.StoreIn; import com.dev.books.pojo.StoreOut; import com.dev.books.pojo.User; import com.dev.books.service.BookService; import com.dev.books.service.StoreInService; import com.dev.books.service.StoreOutService; import com.dev.books.service.UserService; import com.dev.books.util.Layui; import com.dev.books.util.RandNum; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestBody; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.bind.annotation.ResponseBody; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpSession; import java.util.*; @Controller public class StoreOutController { @Autowired StoreOutService storeOutService; @Autowired StoreInService storeInService; @Autowired BookService bookService; @Autowired UserService userService; @ResponseBody @RequestMapping(value = "/inserTeachertReceiveBook") public String addReceiveBook(@RequestBody Map dataMap, HttpServletRequest request) { System.out.println(dataMap); String book_id = dataMap.get("book_id").toString(); String book_out = dataMap.get("book_out").toString(); String storeInId = dataMap.get("id").toString(); String id = RandNum.getGUID(); /* 要先登录，才有getId */ HttpSession session = request.getSession(true);//新建session对象 User user = (User) session.getAttribute("user"); //将对应数据存入session中 StoreOut storeOut = new StoreOut(id,book_id,user.getId(),Integer.parseInt(book_out)); System.out.println("storeOut:"+storeOut); /* 使用fastjson把类转换成json,有两个好处， 1.需要map类型传参数 2.fastjson能够格式化时间类型 */ String storeInJson = JSON.toJSONString(storeOut); Map map = JSON.parseObject(storeInJson, Map.class); System.out.println(map); List<StoreOut> storeOuts = storeOutService.findStooByUidAndBid(user.getId(),book_id); if(storeOuts.size()>0){ return "cannot receve"; }else { int n = storeOutService.addReceiveBook(map); if (n > 0) { StoreIn storeIn = storeInService.findStoreInById(storeInId); int init_book_count = storeIn.getBook_count();//原来库存 int current_book_count = init_book_count-Integer.parseInt(book_out);//现在库存=原来库存-已经领走库存 storeInService.updateBookCount(current_book_count,storeInId); return "success"; } return "failure"; } } @ResponseBody @RequestMapping(value = "/getStoreOutByUserId",produces="application/json;charset=UTF-8") public String getStoreOutByUserId(@RequestParam("limit") String limit, @RequestParam("page") String page, HttpServletRequest request) { List<StoreOut> list = new ArrayList<>(); String uid=""; HttpSession session = request.getSession(true);//新建session对象 User user = (User) session.getAttribute("user"); //将对应数据存入session中 User u = null; if(user.getIdentification().equals("学生")){ u = userService.findTeacherByUserId(user.getId()); uid = u.getT_id(); }else if(user.getIdentification().equals("教师")){ uid = user.getId(); } List<StoreOut> storeOuts = storeOutService.findStoreOutByUserId(uid); for(int i=0;i<storeOuts.size();i++){ StoreOut s = storeOuts.get(i); int total_add = s.getBook_out(); int total_sub = s.getBook_back(); int total = total_add - total_sub; s.setTotal(total); list.add(s); } Layui l = Layui.data(list.size(), list); return JSON.toJSONString(l); } @ResponseBody @RequestMapping(value = "/getStuStoreOutByUserId",produces="application/json;charset=UTF-8") public String getStuStoreOutByUserId(@RequestParam("limit") String limit, @RequestParam("page") String page, HttpServletRequest request) { List<StoreOut> list = new ArrayList<>(); HttpSession session = request.getSession(true);//新建session对象 User user = (User) session.getAttribute("user"); //将对应数据存入session中 List<StoreOut> storeOuts = storeOutService.findStoreOutByUserId(user.getId()); for(int i=0;i<storeOuts.size();i++){ StoreOut s = storeOuts.get(i); int total_add = s.getBook_out(); int total_sub = s.getBook_back(); int total = total_add - total_sub; s.setTotal(total); list.add(s); } Layui l = Layui.data(list.size(), list); System.out.println(list); return JSON.toJSONString(l); } @ResponseBody @RequestMapping(value = "/inserStutReceiveBook") public String inserStutReceiveBook(@RequestBody Map dataMap, HttpServletRequest request) { System.out.println(dataMap); //String book_id = dataMap.get("book_id").toString(); String book_out = dataMap.get("book_out").toString(); String book_id = dataMap.get("id").toString(); String id = RandNum.getGUID(); /* 要先登录，才有getId */ HttpSession session = request.getSession(true);//新建session对象 User user = (User) session.getAttribute("user"); //将对应数据存入session中 StoreOut storeOut = new StoreOut(id,book_id,user.getId(),Integer.parseInt(book_out)); System.out.println("storeOut:"+storeOut); User u = userService.findTeacherByUserId(user.getId()); /* 使用fastjson把类转换成json,有两个好处， 1.需要map类型传参数 2.fastjson能够格式化时间类型 */ String storeInJson = JSON.toJSONString(storeOut); Map map = JSON.parseObject(storeInJson, Map.class); System.out.println(map); System.out.println("book_id:"+book_id); List<StoreOut> sto = storeOutService.findStooByUidAndBid(user.getId(),book_id); if(sto.size()>0){ return "cannot receve"; }else{ int n = storeOutService.addReceiveBook(map); if (n > 0) { String tid = u.getT_id(); List<StoreOut> storeOuts = storeOutService.findStoreOutByUserId(tid);//查询教师id号 //StoreIn storeIn = storeInService.findStoreInById(storeInId); int init_book_count = storeOuts.get(0).getBook_out();//原来教师库存 int current_book_count = init_book_count-Integer.parseInt(book_out);//现在库存=原来库存-已经领走库存 storeOutService.updateTeacherBookOut(current_book_count,book_id,tid); //storeInService.updateBookCount(current_book_count,storeInId); return "success"; } return "failure"; } } @ResponseBody @RequestMapping(value = "/delete_updateTeachertStore") public String delete_updateTeachertStore(@RequestBody Map dataMap, HttpServletRequest request) { System.out.println(dataMap); System.out.println("----教师退书-------"); String book_id = dataMap.get("book_id").toString(); String book_num = dataMap.get("book_num").toString(); String isAll = dataMap.get("isAll").toString(); Htt