用户登录＋注销

1,简单用户登录

login.html
{% load static %}
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>登录</title>
    <link rel="stylesheet" href="{% static 'plugins/bootstrap-3.4.1/css/bootstrap.min.css' %}">
    <style>
        .account {
            width: 400px;
            border: 1px solid #dddddd;
            border-radius: 5px;
            box-shadow: 5px 5px 20px #aaa;

            margin-left: auto;
            margin-right: auto;
            margin-top: 100px;
            padding: 20px 40px;
        }

        .account h2 {
            margin-top: 10px;
            text-align: center;
        }
    </style>
</head>
<body>
<div class="account">
    <h2>用户登录</h2>
    <form method="post" novalidate>
        {% csrf_token %}
        <div class="form-group">
            <label>用户名</label>
            {{ form.username }}
            <span style="color: red;">{{ form.username.errors.0 }}</span>
        </div>
        <div class="form-group">
            <label>密码</label>
            {{ form.password }}
            <span style="color: red;">{{ form.password.errors.0 }}</span>
        </div>
{#       <div class="form-group">#}
{#            <label for="id_code">图片验证码</label>#}
{#            <div class="row">#}
{#                <div class="col-xs-7">#}
{#                    {{ form.code }}#}
{#                    <span style="color: red;">{{ form.code.errors.0 }}</span>#}
{#                </div>#}
{#                <div class="col-xs-5">#}
{#                    <img id="image_code" src="/image/code/" style="width: 125px;">#}
{#                </div>#}
{#            </div>#}
{#        </div>#}
        <input type="submit" value="登 录" class="btn btn-primary">
    </form>
</div>

</body>
</html>

 

 

 

 

 

 

 

 

 

 

 

 

account.py
# -*- coding = utf-8 -*-
# @Time : 2022/4/13 11:03
# @Author : 舒奇
# @File : account.py
# @Software : PyCharm

from django.shortcuts import render,redirect
from django import forms

from app01 import models
from app01.utils.bootstrap import BootStrapForm
from app01.utils.encrypt import md5

class LoginForm(BootStrapForm):
    username=forms.CharField(
        label="用户名",
        widget=forms.TextInput,
        required=True
    )
    password=forms.CharField(
        label="密码",
        widget=forms.PasswordInput,
        required=True
    )
    #数据加密
    def clean_password(self):
        pwd=self.cleaned_data.get("password")
        return md5(pwd)


def login(request):
    '''登录'''
    if request.method=="GET":
        form=LoginForm
        return render(request,'login.html',{"form":form})
    #获取提交的数据
    form=LoginForm(data=request.POST)
    if form.is_valid():
        #验证成功，获取用户名和密码,在数据库中校验
        #print(form.cleaned_data)   #{'username': 'zhangsan', 'password': 'vfddfdvbsdsfdgvdfvffdbfd'}
        # admin_object=models.Admin.objects.filter(username=form.cleaned_data["username"],password=form.cleaned_data["password"])

        #前提：Admin中的字段名=form.cleaned_data的字段名
        admin_object=models.Admin.objects.filter(**form.cleaned_data).first()
        if not admin_object:
            form.add_error("password","用户名或密码错误")
           # form.add_error("username","用户名或密码错误")
            return render(request, 'login.html', {"form": form})

        #用户名和密码正确
        #网站生成随机字符串；写到用户浏览器的cookie中；写到session中
        request.session['info']={'id':admin_object.id,'name':admin_object.username}
        return redirect('/admin/list')

    #输入的数据，检验失败
    return render(request, 'login.html', {"form": form})

 

 

 

 

from django import forms


class BootStrap:
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        # 循环ModelForm中的所有字段，给每个字段的插件设置
        for name, field in self.fields.items():
            # 字段中有属性，保留原来的属性，没有属性，才增加。
            if field.widget.attrs:
                field.widget.attrs["class"] = "form-control"
                field.widget.attrs["placeholder"] = field.label
            else:
                field.widget.attrs = {
                    "class": "form-control",
                    "placeholder": field.label
                }

class BootStrapModelForm(BootStrap, forms.ModelForm):
    pass


class BootStrapForm(BootStrap, forms.Form):
    pass

 

2，注销

 

 

 

 

 

posted @ 2022-04-13 16:04  shuqi123  阅读(6)  评论(0)    收藏  举报