Django登录
views.py
from django.shortcuts import render,HttpResponse,redirect #Create your views here. # def login(request): # print(request.method)#method方法,類函數 # if request.method=='GET': # print(request.GET) # return render(request,'app01/login.html') # else: # '''POST請求''' # name=request.POST.get('username') # password=request.POST.get('password') # print(name,password) # print(request.POST) # if name=='123' and password=='123': # #登錄成功,返回success # return HttpResponse('successful') # else: # #登錄不成功,返回登錄界面 # error_msg='用戶名或密碼錯誤,請重新輸入' # return render(request,'app01/login.html',{'error_msg':error_msg}) def login(request):print(request.method)#method方法,類函數error_msg=''if request.method=='POST':'''POST請求'''name=request.POST.get('username')password=request.POST.get('password')print(name,password)print(request.POST)if name=='123' and password=='123':#登錄成功,返回success#return HttpResponse('successful')return redirect('/app01/ly/')#調用下面的ly函數#redirect重定向else:#登錄不成功,返回登錄界面error_msg='用戶名或密碼錯誤,請重新輸入'return render(request,'app01/login.html',{'error_msg':error_msg}) def ly(request):return render(request,'app01/ly.html') from django.views import View #CBV基于類的視圖MTV class Login2(View):def get(self,request):return render(request,'app01/login2.html')def post(self,request):name=request.POST.get('username')pwd=request.POST.get('password')print(name,pwd)login.html
<!DOCTYPE html> <html lang="en"> <head><meta charset="UTF-8"><title>登錄界面</title> </head> <body> <form action="/app01/login/" method="post" >#method提交方式有兩種get和post 表單一般用post{% csrf_token %}#防止跨站點攻擊#token token token 記號token token token<p>用戶名:<input type="text" name="username"></p><p>密碼:<input type="password" name="password"></p><p><input type="submit" name="登錄"></p><span style="color: red">{{ error_msg }}</span> </form> 表單form form form form form form form form form 表格構成 form form form </body> </html>總結
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