基于form表单 写登陆注册

urls

urlpatterns = [    url(r'^admin/', admin.site.urls),

#     登录界面url(r'^login/$', views.login,name='login'),

#     注册界面url(r'^reg/$', views.reg,name='reg'),]

forms

from django import forms

# 注册 formclass RegForm(forms.ModelForm):

    username= forms.EmailField(label='用户名',                             error_messages={'required':'邮箱不能为空', 'invalid':'邮箱格式错误'},                             )    password = forms.CharField(        label='密码',        min_length=8,        strip=True,        widget=forms.widgets.PasswordInput(),        validators=[RegexValidator(r'^(?![0-9]+$)(?![a-zA-Z]+$)[0-9A-Za-z]{8,16}$', '输入8-16位密码数字与字母')],        error_messages={            'min_length': '用户名不小于8',            'required': '不能为空'        }    )    re_password = forms.CharField(        label='确认密码',        min_length=8,        strip=True,        widget=forms.widgets.PasswordInput(),        validators=[RegexValidator(r'^(?![0-9]+$)(?![a-zA-Z]+$)[0-9A-Za-z]{8,16}$', '输入8-16位密码数字与字母')],        error_messages={

            'required': '不能为空'        }    )    name = forms.CharField(        label='姓名',        strip=True,        validators=[check_name],        error_messages={

            'required': '不能为空'        }

    )    # 配置文件  用class Meta    class Meta:        # 继承表格        model=models.UserProfile        # 字段顺序  1.fields = '__all__'  所有字段 2.  exclude = [''] 除了列表里的        fields=['username','password', 're_password', 'name', 'department']  # 指定的字段        # 设置字段名        labels={'username':'用户名','department': '部门'}　　

# 全局钩子判断2次密码一直不   用户存在没def clean(self):    pwd=self.cleaned_data.get('password')    re_pwd=self.cleaned_data.get('re_password')    username=self.cleaned_data.get('username')    user_model = list(models.UserProfile.objects.all().values_list('username'))    for i in user_model:        if username in i:            self.add_error('username', '用户名已存在')            raise ValidationError('用户名已存在')    if pwd == re_pwd:        return self.cleaned_data    self.add_error('re_pwd','两次密码不一致')    raise ValidationError('两次密码不一致')

views

from crm.forms import RegFormfrom django.contrib import auth

# 注册界面def reg(request):    form_obj=RegForm()    if request.method=='POST':        form_obj = RegForm(request.POST)        if form_obj.is_valid():            # 获取注册信息方法一            # form_obj.cleaned_data.pop('re_password')            # UserProfile.objects.create_user(**form_obj.cleaned_data)

            # 获取注册信息方法二            obj=form_obj.save()            obj.set_password(obj.password)            obj.save()            return redirect('/crm/login/')    return render(request,'reg.html',{'a':form_obj})

#登录

def login(request):    err_msg = ''    if request.method == 'POST':        username = request.POST.get('username')        password = request.POST.get('password')        obj = auth.authenticate(request, username=username, password=password)        if obj:            return redirect('/index/')        err_msg = '用户名或密码错误'        return render(request, 'login.html', {'err_msg': err_msg})

html

<h1>注册</h1>

<form class="form-horizontal" action=""  method="post" novalidate>    {% csrf_token %}    <div class="form-group {% if a.username.errors %}has-error {% endif %}">        <label for="{{ a.username.id_for_label }}" class="col-sm-5 control-label">{{ a.username.label }}</label>        <div class="col-sm-3">{{ a.username}}            <span id="helpBlock2" class="help-block">{{ a.username.errors.0}}</span>        </div>    </div>

 <div class="form-group {% if a.password.errors %}has-error {% endif %}">        <label for="{{ a.password.id_for_label }}" class="col-sm-5 control-label">{{ a.password.label }}</label>        <div class="col-sm-3">{{ a.password }}            <span id="helpBlock2" class="help-block">{{ a.password.errors.0}}</span>        </div>    </div>

 <div class="form-group {% if a.re_password.errors %}has-error {% endif %}">        <label for="{{ a.re_password.id_for_label }}" class="col-sm-5 control-label">{{ a.re_password.label }}</label>        <div class="col-sm-3">{{ a.re_password }}            <span id="helpBlock2" class="help-block">{{ a.re_password.errors.0}}</span>        </div>    </div>

    <div class="col-sm-offset-5 col-sm-3">      <button type="submit" class="btn btn-primary btn-block ">提交</button>    </div>  </div>

</form>

<h1>登录</h1>

<form action="" method="post">    {% csrf_token %}    <div class="login-top">    登录</div><div class="login-center clearfix">    <div class="login-center-img"><img src="{% static 'imgs/name.png' %}"></div>    <div class="login-center-input">        <input type="text" name="username" value="admin" placeholder="请输入您的用户名" onfocus="this.placeholder=''"               onblur="this.placeholder='请输入您的用户名'">        <div class="login-center-input-text">用户名</div>    </div></div>

     <div class="login-center clearfix">    <div class="login-center-img"><img src="{% static 'imgs/password.png' %}"></div>    <div class="login-center-input">        <input type="password" name="password" value="" placeholder="请输入您的密码" onfocus="this.placeholder=''"               onblur="this.placeholder='请输入您的密码'">        <div class="login-center-input-text">密码</div>    </div></div>

<div style="text-align: center">    <button class="login-button">登录</button></div></form>