图片验证码接口

验证码接口

  1. 安装模块

    • pip install django-redis==4.12.1
      
  2. syl/settings.py 中配置缓存

    • .django 缓存设置

    • # 缓存配置
      CACHES = {
          # django存缓默认位置,redis 0号库
          # default: 连接名称
          "default": {
              "BACKEND": "django_redis.cache.RedisCache",
              "LOCATION": "redis://127.0.0.1:6379/0",
              "OPTIONS": {
                  "CLIENT_CLASS": "django_redis.client.DefaultClient",
              }
          },
          # django session存 reidis 1 号库(现在基本不需要使用)
          "session": {
              "BACKEND": "django_redis.cache.RedisCache",
              "LOCATION": "redis://127.0.0.1:6379/1",
              "OPTIONS": {
                  "CLIENT_CLASS": "django_redis.client.DefaultClient",
              }
          },
          # 图形验证码,存redis 2号库
          "img_code": {
              "BACKEND": "django_redis.cache.RedisCache",
              "LOCATION": "redis://127.0.0.1:6379/2",
              "OPTIONS": {
                  "CLIENT_CLASS": "django_redis.client.DefaultClient",
              }
          }
      }
      # 配置session使用redis存储
      SESSION_ENGINE = "django.contrib.sessions.backends.cache"
      # 配置session存储的位置: 使用cache中的 session配置
      SESSION_CACHE_ALIAS = "session"
      
      
  3. 新建应用verifications

    • 图形验证码

    • 短信验证码

    • 邮件验证

    • '''2.1 在apps文件夹下新建应用: verifications'''
      python ../manage.py startapp verifications # 切换到apps文件夹下执行创建命令
      
    • '''2.2 在syl/settings.py中添加应用'''
      INSTALLED_APPS = [
      		'verifications.apps.VerificationsConfig',
      ]
      
    • '''2.3 在syl/urls.py主路由中添加'''
      path('verify/', include('verifications.urls')),
      
    • '''2.4 添加子路由: verifications/urls.py'''
      from django.urls import path
      from . import views
      
      urlpatterns = [
      	path('image_codes/', views.ImageCodeView.as_view())
      ]
      
      
  4. 图形验证码captcha使用

    • 1.下载captcha压缩包captcha.zip,放到项目packages文件夹下
      2.解压captcha.zip放到syl/libs文件夹下
      3.解压文件中的syl/libs/captcha/captcha.py 右键运行即可生成图片验证码
      unzip xxx.zip
      
  5. 在verifications/views.py中使用

    • from django.shortcuts import render
      
      # Create your views here.
      from django.http import HttpResponse, HttpResponseForbidden
      from django.views import View
      from django_redis import get_redis_connection
      from libs.captcha.captcha import captcha
      
      
      class ImageCodeView(View):
          def get(self, request):
              # 1.接收数据
              uuid = request.GET.get('uuid')
              # 2.校验数据
              if not uuid:
                  return HttpResponseForbidden('uuid无效')
              # 3.处理业务
              # 获取图片文本内容和图片二进制代码
              text, image = captcha.generate_captcha()
              # 4.把uuid和图片文本存入redis
              redis_client = get_redis_connection('img_code')  # 获取redis客户端
              # 5.写入redis(是字符串)
              redis_client.setex(uuid, 60 * 5, text)
              # 6.返回响应图片
              return HttpResponse(image, content_type='image/jpg')
      
  6. 测试验证码接口

    • http://192.168.56.100:8888/verify/image_codes/?uuid=66ea64aa-fbe6-11ea-a3d3-005056c00008
      

  7. redis 查看

    • 127.0.0.1:6379># select 2
      OK
      
      
      127.0.0.1:6379[2]># keys *
      1) "66ea64aa-fbe6-11ea-a3d3-005056c00008"
      127.0.0.1:6379[2]># get 66ea64aa-fbe6-11ea-a3d3-005056c00008
      "JEZ6"
      
      
posted @ 2020-11-03 20:17  心-瘾  阅读(107)  评论(0编辑  收藏  举报