• Django学习(实现登录功能)


    1.登录功能

    1).在test项目中,修改配置文件setting.py 此时连接mysql数据库

    DATABASES = {
        'default': {
           # 'ENGINE': 'django.db.backends.sqlite3',
           #'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
           'ENGINE': 'django.db.backends.mysql',
            'NAME': 'pro202',
            'HOST': '127.0.0.1',
            'PORT': 3306,
            'USER': 'root',
            'PASSWORD': '123456'
        }
    }

    2).数据的模型类

    # -*- coding: utf-8 -*-
    from __future__ import unicode_literals
    from django.db import models
    # Create your models here.
    class Student(models.Model):
        sname = models.CharField(max_length=30)
        spwd = models.CharField(max_length=30)
        def __unicode__(self):
            return r'Student:%s%s'%(self.sname,self.spwd)
        

    3).生成数据库表

    #创建当前应用的迁移文件
    python manage.py makemigrations stu
    
    #生成数据库表
    python manage.py migrate

    4).配置url

    #testurls
    from
    django.conf.urls import url, include from django.contrib import admin import views urlpatterns = [ url(r'^admin/', admin.site.urls), url(r'^student/',include('stu.urls')) ]
    #stuurls
    #
    coding=utf-8 from django.conf.urls import url import views urlpatterns=[ url(r'^login/$',views.login) ]

    5).配置视图函数

    # -*- coding: utf-8 -*-
    from __future__ import unicode_literals
    from django.http import HttpResponse
    from django.shortcuts import render
    
    def login(request):
        if request.method == 'GET':
            return render(request,'login.html')
        else:
            uname = request.POST.get("uname","")
            pwd = request.POST.get("pwd","")
            if uname and pwd:
                c = Student.objects.filter(sname=uname,spwd=pwd).count()
                if c == 1:
                    return HttpResponse('登录成功')
            return HttpResponse('登录失败')

    6).处理登录功能

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>Title</title>
    </head>
    <body>
        <form action="/student/login/" method="post">
            {% csrf_token %}
            <p>
                <label>用户名:<input type="text" name="uname"></label>
            </p>
    
            <p>
                <label >密&emsp;码:<input type="password" name="pwd"></label>
            </p>
    
            <p>
                <lable><input type="submit" value="登录"></lable>
            </p>
    
    
        </form>
    
    </body>
    </html>

    7).访问127.0.0.1:8000/student/login/

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  • 原文地址:https://www.cnblogs.com/sise/p/10483863.html
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