图书管理系统

# coding:utf-8 import json from django.shortcuts import render from django.http import HttpResponse,HttpResponseRedirect from django.contrib.auth.models import Permission from django.contrib.auth.models import User as authUser from django.contrib import auth from django.core.paginator import Paginator from main.models import Book,BookType,BookNum,AddItem,BorrowItem,UserInfo,StaffInfo # Create your views here. def loginView(request): if request.user.is_authenticated(): auth.logout(request) return render(request,"login.html",{'msgFail':'已有用户登陆中,自动登出请重新登陆'}) else: return render(request,"login.html") def logoutView(request): auth.logout(request) return render(request,"logout.html") def registView(request): return render(request,"regist.html") def main(request): if request.user.is_authenticated(): currentUser = request.user if currentUser.is_staff: staffInfo = StaffInfo.objects.get(staffId=currentUser) typeInfo = [] for typeItem in BookType.objects.all(): typeInfo.append({"typeNum":typeItem.TypeNum,"typeInfo":typeItem.TypeName}) currentUserInfo = {"userId":currentUser.username, "userName":staffInfo.staffName} return render(request,'indexStaff.html',{"currentUser":currentUserInfo,"is_staff":True,"typeList":typeInfo})#To staffMain else: return HttpResponseRedirect("/staffViewUserDetail") else: return HttpResponseRedirect("/loginView") def logout(request): if request.user.is_authenticated(): auth.logout(request) return HttpResponseRedirect("/login") else: return HttpResponseRedirect("/login") def regist(request): try: userid = request.POST['id'] userpw = request.POST['pw'] useremail = request.POST['email'] username = request.POST['name'] usersex = request.POST['sex'] userage = request.POST['age'] userpn = request.POST['phonenum'] except: HttpResponseRedirect("/registView") try: user = authUser.objects.create_user(username = userid, password = userpw, email = useremail) user.is_staff = False user.save() try: UserInfo.objects.create(userId = user, userName = username, userSex = usersex, userAge = userage, userPhoneNum = userpn) except: return HttpResponse("regist fail") return HttpResponseRedirect("/loginView") except: return HttpResponseRedirect("/registView") def login(request): try: userId = request.POST['id'] userPw = request.POST['pw'] except: return HttpResponseRedirect("/login") user = auth.authenticate(username=userId,password=userPw) if user is not None and user.is_active: auth.login(request,user) return HttpResponseRedirect("/main") else: return HttpResponseRedirect("/login") def userBorrowedBook(request):#得到当前用户已借阅图书数组 if request.user.is_authenticated(): currentUser = request.user if currentUser.is_staff: try: userid = request.GET['userid'] userInfoFK = UserInfo.objects.get(userId = authUser.objects.get(username=userid)) borrowItems = BorrowItem.objects.filter(userId = userInfoFK) ansBookList = [] for item in borrowItems: if not item.hasReturned: ansBookList.append(item.bookId) ans = [] for bookItem in ansBookList: currentBook = {"name":bookItem.bookName, "type":bookItem.bookType.TypeName, "author":bookItem.bookAuthor, "price":bookItem.bookPrice} ans.append(currentBook) return HttpResponse(json.dumps({"end":True,"msg":ans}),content_type="application/json") except: return HttpResponse(json.dumps({"end":False}),content_type="application/json") else: try: userInfoFK = UserInfo.objects.get(userId=currentUser) borrowItems = BorrowItem.objects.filter(userId = userInfoFK) ansBookList = [] for item in borrowItems: if not item.hasReturned: ansBookList.append(item.bookId) ans = [] for bookItem in ansBookList: currentBook = {"name":bookItem.bookName, "type":bookItem.bookType.TypeName, "author":bookItem.bookAuthor, "price":bookItem.bookPrice} ans.append(currentBook) return HttpResponse(json.dumps({"end":True,"msg":ans}),content_type="application/json") except: return HttpResponse(json.dumps({"end":False}),content_type="application/json") return HttpResponse(json.dumps({"end":False}),content_type="application/json") else: return HttpResponse(json.dumps({"end":False}),content_type="application/json") def viewBook(request): if request.user.is_authenticated(): currentUser = request.user if currentUser.is_staff: staffOrNot = True userFK = StaffInfo.objects.get(staffId=currentUser).staffName else: staffOrNot = False userFK = UserInfo.objects.get(userId=currentUser).userName currentUserTrans = {"userId":currentUser.username,"userName":userFK} try: mode = request.GET['mode'] startPage = request.GET['startPage'] offset = request.GET['offset'] bookLikeName = request.GET['bookLikeName'] except: return HttpResponse("get error") ans = [] if mode == 'Detail': BookAns = Book.objects.get(bookId=bookLikeName)#得到书的详细信息 BookNumFK = BookNum.objects.get(bookId=BookAns) BookDetail = {"bookId":BookAns.bookId, "bookName":BookAns.bookName, "bookType":BookAns.bookType.TypeName, "bookPublisher":BookAns.bookPublisher, "bookAuthor":BookAns.bookAuthor, "bookIntroduction":BookAns.bookIntroduction, "bookPrice":BookAns.bookPrice, "bookNum":BookNumFK.bookNum} return HttpResponse(json.dumps(BookDetail),content_type="application/json") elif mode == "simple": currentPage = int(startPage) if bookLikeName == '':#一连串书的信息 BookAll = Book.objects.all().order_by("bookName") else: BookAll = Book.objects.filter(bookName__contains=bookLikeName).order_by("bookName") bookPagi = Paginator(BookAll,int(offset)) pageN = bookPagi.page(currentPage) pageNum = bookPagi.page_range[-1] after_range_num = 5 befor_range_num = 4 bookAnsList = pageN.object_list if currentPage-1>after_range_num: pageList = bookPagi.page_range[currentPage-1-after_range_num:currentPage-1+befor_range_num] else: pageList = bookPagi.page_range[0:currentPage-1+befor_range_num] for BookAns in bookAnsList: BookNumFK = BookNum.objects.get(bookId=BookAns)