django_demo/form_demo/views.py

from django.shortcuts import render
from .forms import *


def userinfo_form(request):
    if request.method == "GET":
        myform = UserInfoForm()
        return render(request, "form_demo/userinfo.html", {'form_obj': myform})
    else:
        f = UserInfoForm(request.POST)
        if f.is_valid():
            print(f.clean())
            print(f.cleaned_data['username'])
            print(f.data)
        else:
            errors = f.errors
            print(errors)
            return render(request, "form_demo/userinfo.html", {'form_obj': f, 'errors': errors})
    return render(request, "form_demo/userinfo.html", {'form_obj': f})


def img_file_form(request):
    if request.method == 'GET':
        f = ImgFileForm()
        return render(request, "form_demo/uploadimg.html", {'form_obj': f})
    else:
        f = ImgFileForm(request.POST, request.FILES)
        print(request.POST)
        print(request.FILES)
        if f.is_valid():
            name = f.cleaned_data['name']
            heading = f.cleaned_data['heading']
            userimg = ImgFile()
            userimg.name = name
            userimg.heading = heading
            userimg.save()
            print('上传成功')
            print(userimg.heading)
            return render(request, 'form_demo/uploadimg.html', {'form_obj': f, 'user_img': userimg})


def userinfo_model_form(request):
    if request.method == 'GET':
        model_form = UserInfoModelForm()
        return render(request, 'form_demo/userinfomodels.html', {'form_obj': model_form})
    else:
        f = UserInfoModelForm(request.POST)
        if f.is_valid():
            print(f.clean())
            print(f.cleaned_data['username'])
            print(f.data)
            f.save()
        else:
            errors = f.errors
            print(errors)
            return render(request, 'form_demo/userinfomodels.html', {'form_obj': f, 'errors': errors})
        return render(request, 'form_demo/userinfomodels.html', {'form_obj': f})


def userinfo_model_from_save(request):
    if request.method == 'GET':
        a = UserBaseInfo.objects.get(id=1)
        myform = UserInfoModelForm(instance=a)
        return render(request, 'form_demo/userinfomodels.html', {'form_obj': myform})
    else:
        f = UserInfoModelForm(request.POST)
        if f.is_valid():
            # 直接保存
            # f.save()
            # 延时保存
            user = f.save(commit=False)
            # user.username = request.username
            print(user)
            user.save()
        else:
            errors = f.errors
            print(errors)
            return render(request, 'form_demo/userinfomodels.html', {'form_obj': f, 'errors': errors})
    return render(request, 'form_demo/userinfomodels.html', {'form_obj': f})