Django之验证码 + session 认证 

.
└── project
    ├── app01
    │   ├── admin.py
    │   ├── apps.py
    │   ├── __init__.py
    │   ├── migrations
    │   │   └── __init__.py
    │   ├── models.py
    │   ├── tests.py
    │   └── views.py
    ├── backend
    │   ├── check_code.py
    │   └── __init__.py
    ├── db.sqlite3
    ├── manage.py
    ├── Monaco.ttf
    ├── project
    │   ├── __init__.py
    │   ├── settings.py
    │   ├── urls.py
    │   └── wsgi.py
    ├── static
    │   └── jquery
    │       └── jquery-1.12.4.js
    └── templates
        └── login.html

相关文件

代码

  • login.html 
    <!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title></title>
</head>
<body>
    <form action="/login/" method="POST">
        <input type="text" name="username" />
        <input type="text" name="pwd" />
        <input type="text" name="check_code" />
        <img src="/check_code/" onclick="ChangeCode(this);">
        <input type="submit" />
    </form>
    <script>
        function ChangeCode(this){
            ths.src = ths.src + '?';
        }
    </script>
</body>
</html>
  • views.py 
    from django.shortcuts import render
from django.shortcuts import HttpResponse

import os
import json
import io
from backend import check_code as CheckCode
# Create your views here.


def check_code(request):
    """
    生成图片,将图片上的文字保存到session中
    将图片内容返回给用户
    :param request:
    :return:
    """

    stream = io.BytesIO()

    # img图片对象,code在图像中写的内容
    img, code = CheckCode.create_validate_code()
    img.save(stream, "png")

    request.session["CheckCode"] = code     # 放入到session中
    return HttpResponse(stream.getvalue())


def login(request):

    if request.method == "POST":
        input_code = request.POST.get("check_code")
        print(input_code.upper(), request.session['CheckCode'].upper())

    return render(request, "login.html")

     

posted on 2019-04-26 13:10  与落霞齐飞12138  阅读(156)  评论(0)  编辑  收藏  举报

导航