python 添加用户

views.py

from django import forms
from django.forms import fields
from django.forms import widgets

class UserForm(forms.Form):
    username = fields.CharField(
        required=True,error_messages={'required':'用户名不能为空'},
        widget=widgets.TextInput(attrs={'class':'form-control'})
    )   #正则表达式
    password = fields.CharField(required=True,error_messages={'required':'用户名不能为空'},
                                widget=widgets.TextInput(attrs={'class':'form-control'})
                                )#正则表达式
    email = fields.EmailField(required=True,error_messages={'required':'用户名不能为空','invalid':'邮箱格式错误'},
                              widget=widgets.TextInput(attrs={'class': 'form-control'})
                              )     #正则表达式



def add_user(request):
    if request.method == 'GET':
        obj = UserForm()
        return render(request,'add_user.html',{'obj':obj})
    else:
        # 获取用户提交的数据 request.POST
        # 获取正则表达式进行验证
        # 1. 是否验证成功
        # 2. 成功: 获取数据
        # 3. 失败: 错误信息
        obj = UserForm(request.POST)
        # 1.  是否验证成功
        if obj.is_valid():
            print("验证通过",obj.cleaned_data)
            #添加到数据库
            models.UserInfo.objects.create(**obj.cleaned_data)
        else:
            pass
            # print("错误信息",obj.errors)
            # print("错误信息",obj.errors["username"][0])
            # print("错误信息",obj.errors["password"][0])
            # print("错误信息",obj.errors["email"][0])


        return render(request, 'add_user.html',{'obj':obj})

 

add_user.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="/static/bootstrap-3.3.7/css/bootstrap.css">

</head>
<body>
    <div style="width: 600px;margin: 0 auto;">
        <form method="POST" action="/add-user">
            {% csrf_token %}
            <div class="form-group">
                <label for="inputEmail3">用户名</label>
                <!--<input type="text" name="username" class="form-control" placeholder="用户名" value="{{ obj.cleaned_data.username }}"> -->
                {{ obj.username }}
                <span>{{ obj.errors.username.0 }}</span>
            </div>
            <div class="form-group">
                <label>密码</label>
                <!-- <input type="text" name="password" class="form-control" placeholder="密码" value="{{ obj.cleaned_data.password }}"> -->
                {{ obj.password }}
                <span>{{ obj.errors.password.0 }}</span>
            </div>
            <div class="form-group">
                <label>邮箱</label>
                <!-- <input type="text" name="email" class="form-control" placeholder="邮箱" value="{{ obj.cleaned_data.email }}"> -->
                {{ obj.email }}
                <span>{{ obj.errors.email.0 }}</span>
            </div>

            <button type="submit" class="btn btn-default">添加</button>
        </form>
    </div>


</body>
</html>

 

posted on 2019-06-21 16:38  李永山  阅读(270)  评论(0)  编辑  收藏  举报

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