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django form表单验证

2024-10-24 07:42:01   208人阅读

简单例子：

技术分享 
 1 #自定义验证类
 2 class Check_form1(forms.Form):
 3            #user就是要验证的字段,这里对应前端name <input type=‘text‘ name=user>
 4            user = fields.CharField()
 5            pwd  = fields.CharField()
 6            email = fields.EmailField()
 7 
 8 
 9 
10 def test_form1(request):
11     if request.method == ‘GET‘:
12          return render(request,‘form1.html‘)
13 
14     elif request.method == ‘POST‘:
15            obj = Check_form(request.POST)
16 
17            #obj.is_valid()表单验证,全通过返回True,有错误就false
18            result = obj.is_valid()
19            if result:
20 
21                #{‘pwd‘: u‘12311‘, ‘user‘: u‘12311‘, ‘email‘: u‘123@11.com‘}
22                print(obj.cleaned_data)
23            else:
24                #打印错误字段
25                #如:<ul class="errorlist"><li>pwd<ul class="errorlist"><li>最小4位</li></ul></li></ul>
26                #返回json格式错误:obj.errors.as_json() 
27                # {"pwd": [{"message": "\u6700\u5c0f4\u4f4d", "code": "min_length"}]}
28                print(obj.errors)
29     return  HttpResponse("ok")
views.py
技术分享 
 1 <!DOCTYPE html>
 2 <html lang="en">
 3 <head>
 4     <meta charset="UTF-8">
 5     <title>Title</title>
 6 </head>
 7 <body>
 8 
 9 <form action="/test_form1/"method="post">
10      {% csrf_token %}
11      <p> <input type="text" name="user"></p>
12      <p> <input type="text" name="pwd"></p>
13      <p> <input type="text" name="email"></p>
14      <input type="submit" value="提交" />
15 </form>
16 
17 
18 </body>
19 </html>
html

 

 

阶级例子：

 

django form表单验证


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