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drag-captcha's Introduction

Drag-Captcha

拖拽图形验证,简单易用, 只需要绑定按钮即可使用。 english
composer require rlofls/drag-captcha

show 示例

先设置 Resources::$customBg 数组值,一定要是 png 图片, 存放的是图片路径。 eg:

//设置自定义背景
Resources::$customBg = [
  __DIR__ . '/customBg/1.png',
  __DIR__ . '/customBg/2.png',
  __DIR__ . '/customBg/3.png',
  //...
];

能够使目标不那么明显,会随机对目标进行扩展/剪切,在调用 generate() 方法时候, 传入true 值即可。 eg: $drag->generate(true);

  • expand:

    expand

  • cut

    expand

  1. 切换到此目录下
  2. composer install
  3. php -S 127.0.0.1:8087
  4. 浏览器访问 http://127.0.0.1:8087

参考 index.php index.html
复制 dragCaptcha.css dragCaptcha.js 到自己项目应用
参考 html

<body>
    
    <button id="show">show</button>
</body>
<script type="module">
    import {DragCaptcha} from "./dragCaptcha.js";
    //设置要绑定的按钮
    let btn = document.getElementById("show")

    //1.设置 请求数据api 地址, 默认: /dragData
    //DragCaptcha.prototype.apiDataUrl = '/dragData'
    //2.设置 请求验证api 地址, 默认: /dragVerify
    //DragCaptcha.prototype.apiVerifyUrl = '/dragVerify'

    //3.设置语言 默认 zh:中文, en:英文
    //DragCaptcha.prototype.lang = 'en'

    //4.设置debug  默认 true 会打印日志
    //DragCaptcha.prototype.debug = false

    //5.设置验证成功 callback
    DragCaptcha.prototype.cbSuccess = function(drag) {
        console.log("验证通过 cid:", drag.cid)
        //处理自己业务逻辑 提交表单 ...

        //如果业务逻辑失败。需要重新添加点击事件, 因为在验证成功时候会取消点击事件
        //console.log("业务逻辑失败,重新绑定点击事件")
        //drag.addClickEventListener()
    }
    //6. 设置验证失败 callback
    DragCaptcha.prototype.cbFail = function(drag) {
        console.log("验证失败")
    }
    let drag = new DragCaptcha(btn);

</script>
  • Rlofls\DragCaptcha\Drag

    • generate 生成渲染数据 dst, data
    • verify 验证匹配结果
  • 服务器api 要求, Content-Type: application/json

    • /dragData---[GET]---获取验证码数据
      响应数据格式:
      {
        "status": "success" // error 表示失败
        "data": {
          //一次验证 事务id 用户自己生成
          "cid": "drag-captcha63c0c18566074"
          //以下数据由 Rlofls\DragCaptcha\Drag::generate 生成
          "bgBase64": "data:image/png;base64,iV..."
          "bgH": 160
          "bgW": 250
          "maskBase64": "data:image/png;base64,..."
          "maskLeft": 114
          "maskPath": "M 15.27429..."
          "maskTop": 0
          "maskViewBox": 15.875
          "maskWH": 57
        }
      
      }
    • /dragVerify---[POST]---进行验证码验证
      请求参数
      {
        "cid": "drag-captcha63c0c1881db17"
        "mask": {
          "left": 149, 
          "top": 76
        }
      }
      响应数据格式:
      {"status": "error"}

todo

  • 欢迎提交 issuse

drag-captcha's People

Contributors

rlofls avatar

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