thinkphp 之 captcha  验证码

thinkphp 之 captcha  验证码

1.安装

composer require topthink/think-captcha 1.* -vvv

2.html

<img id="captcha" src="{:captcha_src()}" class="verify" onclick="resVerify()" alt="验证码" />
&nbsp;<a href="javascript:resVerify();">看不清，换一张</a>
<input type="text" name="verify" class="pass-text-input " placeholder="请输入验证码">

<script>
       function resVerify(){
         document.getElementById("captcha").src = "{:captcha_src()}?time=" + Math.random();
       }
</script>
     

3.php

$validate=new Validate([
      'verify|验证码'=>'require|captcha',
      ]);
$verify=input('verify');
 if (!$validate->check($data)) {
          return ['msg'=>$validate->getError()];
 }