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Example code of ajiho/think-captcha

Informations about the package think-captcha

think-captcha

基于thinkphp6.0.0+的一个图形验证码拓展包

效果图

优点

安装

配置

安装完毕后会自动生成配置文件 /config/captcha.php

使用

mvc开发方式

生成验证码

首先在控制器方法中生成验证码，用于给页面进行显示

检验验证码

假设前端表单传递的验证码的name值为captcha

前后端分离开发使用

流程说明

在使用之前先说一下大致流程(用登录案例说明):

  1. 客户端请求验证码接口
  2. 返回结果(展示图形验证码的url地址(指向后端的验证码展示方法)、uniqid)
  3. 把url地址赋值给img的src属性,同时把uniqid存储起来待会儿用于表单提交
  4. 当img图片显示的时候就会触发后端验证码展示方法，该接口方法会把uniqid作为键，把验证码作为值缓存起来
  5. 客户端登录信息输入完毕后携带参数(账号、密码..、验证码、uniqid)去请求登录接口
  6. 在后台登录处理方法中通过uniqid去缓存中查找对应的验证码和表单提交的验证码进行对比是否正确，至此流程结束

代码流程

1.你需要定义两个接口

如果你没有使用强制路由，可忽略，这里定义出来是为了方便说明

2.验证码接口方法

3.验证码显示方法

4.登录处理方法里面验证

反馈

如果有任何问题或者建议，可以直接到仓库留言。

All versions of think-captcha with dependencies

PHP Build Version
Package Version
Requires topthink/framework Version ^6.0 || ^8.0
ext-gd Version *
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