6.1 - 圖書管理系統
阿新 • • 發佈：2019-01-17
migration direct ont root token you -h ddb ogg
實現功能：book單表的增刪改查
代碼：
model.py
from django.db import models # Create your models here. class Book(models.Model): id = models.AutoField(primary_key=True) title = models.CharField(max_length=32) pub_date = models.DateField() price = models.DecimalField(max_digits=8, decimal_places=2) publish= models.CharField(max_length=32)
settings.py
DATABASES = { ‘default‘: { ‘ENGINE‘: ‘django.db.backends.mysql‘, ‘NAME‘: ‘bookms‘, # 要連接的數據庫，連接前需要創建好 ‘USER‘: ‘root‘, # 連接數據庫的用戶名 ‘PASSWORD‘: ‘123‘, # 連接數據庫的密碼 ‘HOST‘: ‘127.0.0.1‘, #連接主機，默認本機 ‘PORT‘: 3306 # 端口 默認3306 } } # 打印orm轉換過程中的sql LOGGING = { ‘version‘: 1, ‘disable_existing_loggers‘: False, ‘handlers‘: { ‘console‘:{ ‘level‘:‘DEBUG‘, ‘class‘:‘logging.StreamHandler‘, }, }, ‘loggers‘: {‘django.db.backends‘: { ‘handlers‘: [‘console‘], ‘propagate‘: True, ‘level‘:‘DEBUG‘, }, } }
python manage.py makemigrations
python manage.py migrate
urls.py
from django.contrib import admin from django.urls import path,re_path from app01 import views urlpatterns = [ path(‘admin/‘, admin.site.urls), path(‘addbook/‘, views.addbook), # 添加書籍 path(‘checkbook/‘, views.checkbook), # 查看書籍 re_path(r‘checkbook/(\d+)/delete‘,views.delbook), # 刪除書籍 re_path(r‘checkbook/(\d+)/update‘, views.update), # 修改書籍 ]
views.py
# -*- encoding:utf-8 -*- from django.shortcuts import render,HttpResponse,redirect from app01.models import Book # Create your views here. def addbook(request): if request.method == "POST": title = request.POST.get("title") price = request.POST.get("price") pub_date = request.POST.get("pub_date") publish = request.POST.get("publish") book_obj = Book.objects.create(title=title,price=price,pub_date=pub_date,publish=publish) # return HttpResponse(‘添加數據成功！‘) # return render(request,‘checkbook.html‘,locals()) return redirect(‘/checkbook/‘) return render(request,‘addbook.html‘) def checkbook(request): book_list = Book.objects.all() return render(request,‘checkbook.html‘,locals()) def delbook(request,id): Book.objects.filter(id=id).delete() # 重定向 return redirect(‘/checkbook/‘) # 兩次請求 def update(request,id): book_obj = Book.objects.filter(id=id).first() if request.method == ‘POST‘: title = request.POST.get("title") price = request.POST.get("price") pub_date = request.POST.get("pub_date") publish = request.POST.get("publish") Book.objects.filter(id=id).update(title=title,price=price,pub_date=pub_date,publish=publish) return redirect(‘/checkbook/‘) return render(request,‘updatebook.html‘,{‘book_obj‘:book_obj})
addbook.html
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <link rel="stylesheet" href="/static/bs/css/bootstrap.css"> <title>Title</title> <style> .container{ margin-top: 100px; } .btn{ margin-top: 10px; } </style> </head> <body> <h3>添加書籍</h3> <div class="container"> <div class="row project"> <div class="col-md-4 col-md-offset-4"> <div class="thumbnail" style="height: 288px;"> <form action="" method="post"> {# 為了通過防跨域請求 #} {% csrf_token %} <div class="form-grop"> <label for="bookname">書籍名稱</label> <input type="text" class="form-control" name="title" placeholder="請輸入書籍名稱"> </div> <div class="form-grop"> <label for="">價格</label> <input type="text" class="form-control" name="price" placeholder="請輸入價格"> </div> <div class="form-grop"> <label for="">出版日期</label> <input type="date" class="form-control" name="pub_date" placeholder="請輸入出版日期"> </div> <div class="form-grop"> <label for="">出版社</label> <input type="text" class="form-control" name="publish" placeholder="請輸入出版社"> </div> <input type="submit" class="btn btn-success pull-right" > </form> </div> </div> </div> </div> </body> </html>
checkbook.html
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <link rel="stylesheet" href="/static/bs/css/bootstrap.css"> <title>Title</title> <style> .container{ margin-top: 100px; } </style> </head> <body> <h3>查看書籍</h3> <div class="container"> <div class="row"> <div class="col-md-6 col-md-offset-3"> {# <div class="thumbnail">#} <a href="/addbook/" class="btn btn-info">添加書籍</a> <table class="table table-bordered table-hover table-condensed"> <thead> <tr> <th>書籍名稱</th> <th>價格</th> <th>出版日期</th> <th>出版社</th> <th>刪除操作</th> <th>編輯操作</th> </tr> </thead> <tbody> {% for book in book_list %} <tr> <td>{{ book.title }}</td> <td>{{ book.price }}</td> <td>{{ book.pub_date|date:"Y-m-d" }}</td> {# date過濾器#} <td>{{ book.publish }}</td> {#book.pk這裏的pk是主鍵，也可以寫成book.id#} <td><a href="/checkbook/{{ book.pk }}/delete" class="btn btn-danger">刪除</a></td> <td><a href="/checkbook/{{ book.pk }}/update" class="btn btn-info">編輯</a></td> </tr> {% endfor %} </tbody> </table> {# </div>#} </div> </div> </div> </body> </html>
updatebook.html
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <link rel="stylesheet" href="/static/bs/css/bootstrap.css"> <title>Title</title> <style> .container{ margin-top: 100px; } .btn{ margin-top: 10px; } </style> </head> <body> <h3>編輯書籍</h3> <div class="container"> <div class="row project"> <div class="col-md-4 col-md-offset-4"> <div class="thumbnail" style="height: 288px;"> <form action="" method="post"> {# 為了通過防跨域請求 #} {% csrf_token %} <div class="form-grop"> <label for="bookname">書籍名稱</label> <input type="text" class="form-control" name="title" value="{{ book_obj.title }}"> </div> <div class="form-grop"> <label for="">價格</label> <input type="text" class="form-control" name="price" value="{{ book_obj.price }}"> </div> <div class="form-grop"> <label for="">出版日期</label> <input type="date" class="form-control" name="pub_date" value="{{ book_obj.pub_date|date:"Y-m-d" }}"> </div> <div class="form-grop"> <label for="">出版社</label> <input type="text" class="form-control" name="publish" value="{{ book_obj.publish }}"> </div> <input type="submit" class="btn btn-success pull-right" > </form> </div> </div> </div> </div> </body> </html>
6.1 - 圖書管理系統