開發工具-Django 根據輸入mid 刪除資料庫中對應的記錄
阿新 • • 發佈:2020-12-23
開發工具-Django 根據輸入mid 刪除資料庫中對應的記錄
#需求: 1.產品需要在頁面輸入 違禁詞url 中的 mid,相應刪除資料庫中對應的記錄 # 環境 django-1.11.6 python 2.7 #新建立應用 oprateor #修改 settings.py INSTALLED_APPS = [ 'django.contrib.admin', 'django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', 'django.contrib.messages', 'django.contrib.staticfiles', 'oprateor' ] TEMPLATES = [ { 'BACKEND': 'django.template.backends.django.DjangoTemplates', 'DIRS': [os.path.join(BASE_DIR, "templates"),], 'APP_DIRS': True, 'OPTIONS': { 'context_processors': [ 'django.template.context_processors.debug', 'django.template.context_processors.request', 'django.contrib.auth.context_processors.auth', 'django.contrib.messages.context_processors.messages', ], }, }, ] DATABASES = { 'default': { 'ENGINE': 'django.db.backends.mysql', 'NAME': 'blog', 'HOST': '127.0.0.1', 'PORT': '3306', 'USER': 'root', 'PASSWORD': '899999' } } # 修改 oprateor/__init__.py #coding=utf-8 import pymysql from django.apps import AppConfig import os #資料庫使用 pymysql.version_info = (1, 4, 13, "final", 0) pymysql.install_as_MySQLdb() #增加資料模型 models.py # -*- coding: utf-8 -*- from __future__ import unicode_literals from django.db import models # Create your models here. class dkp(models.Model): dkpname = models.CharField(max_length=30,unique=True) def __unicode__(self): return u'Tag:%s'%self.dkpname #修改路由 urlpatterns = [ url(r'^admin/', admin.site.urls), url(r'^dkp/',include('oprateor.urls')), ] #修改子路由 #conding=utf-8 from django.conf.urls import url import views urlpatterns = [ url(r'^operator/$',views.queryAll), ] # 修改 views.py # -*- coding: utf-8 -*- from __future__ import unicode_literals from django.http import HttpResponse from django.shortcuts import render from .models import * # Create your views here. def queryAll(request): if request.method == 'GET': return render(request,'index.html') else: #從前端獲取輸入頁面的 mid mid = request.POST.get('mid') #轉化為 int 型別 mid = int(mid) print type(mid) #操作資料庫 from django.db import connection cursor = connection.cursor() #刪除操作 oprate = cursor.execute("delete from oprateor_dkp where id=%s" %mid) print mid #判斷是否操作成功 if oprate: return HttpResponse('已刪除提交的 mid 為 %s' %mid) else: return HttpResponse('無法刪除提交的 mid 為 %s' % mid) #新增加 templates/index.html <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <body> <form action="/dkp/operator/" method="post"> {% csrf_token %} <p>mid:<input type="number" name="mid"/></p> <p><input type="submit" value="operating"/></p> </form> </body> </html> #實現效果輸入:http://127.0.0.1:8000/dkp/operator/