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如果用户输入一张表单提交后出现错误时，会出现重现填写的情况。我们可以把用户输入的信息保存下来，并返回到前台页面，这样用户就无需再次输入。
views.py
1 # coding:utf-8
2 from django.shortcuts import render, HttpResponse, redirect
3 from app01.forms import account as Account_Forms
4
5
6 def login(request):
7
8 obj = Account_Forms.UserInfo(request.POST) #将用户输入的内容添加到form的对象中
9 if request.method == ‘POST‘:
10 return render(request, ‘account/login.html‘, {‘obj‘: obj}) #将用户输入的内容返回到前台页面
11 return render(request, ‘account/login.html‘, {‘obj‘: obj})
forms.py
1 from django import forms
2
3
4 class UserInfo(forms.Form):
5 username = forms.CharField()
6 password = forms.CharField(widget=forms.PasswordInput())
html文件
1 {% load staticfiles %}
2 <!DOCTYPE html>
3 <html lang="en">
4 <head>
5 <meta charset="UTF-8">
6 <title></title>
7 </head>
8 <body>
9
10 <form action="/login/" method="post">
11 <p>{{ obj.username }}</p>
12 <p>{{ obj.password }}</p>
13 <input type="submit" value="submit">
14 </form>
15
16 {#<script type="text/javascript" src="{{ STATIC_URL }}/js/jquery-2.1.4.min.js">#}
17 <script type="text/javascript" src="{% static "js/jquery-2.1.4.min.js" %}"></script>
18 </body>
19 </html>
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原文地址：http://www.cnblogs.com/chenchao1990/p/5306479.html
