thinkphp3.2 验证码生成和点击刷新验证码

生成验证码的时候：

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public function verify_c(){      $Verify = new \Think\Verify();      $Verify->fontSize = 18;      $Verify->length   = 4;      $Verify->useNoise = false;      $Verify->codeSet = '0123456789';      $Verify->imageW = 130;      $Verify->imageH = 50;      //$Verify->expire = 600;      $Verify->entry();  }

　　

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<p class="top15 captcha" id="captcha-container">    <input name="verify" width="50%" height="50" class="captcha-text" placeholder="验证码" type="text">                    <img width="30%" class="left15" height="50" alt="验证码" src="{:U('Home/Index/verify_c',array())}" title="点击刷新">  </p>

　　

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$(function () {     var captcha_img = $('#captcha-container').find('img')     var verifyimg = captcha_img.attr("src");     captcha_img.attr('title', '点击刷新');     captcha_img.click(function(){         if( verifyimg.indexOf('?')>0){             $(this).attr("src", verifyimg+'&random='+Math.random());         }else{             $(this).attr("src", verifyimg.replace(/\?.*$/,'')+'?'+Math.random());         }     }); })

　　验证在common.php中添加方法

     

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function check_verify($code, $id = ""){      $verify = new \Think\Verify();      return $verify->check($code, $id);  }

　　提交表单的时候：

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$verify = I('param.verify','');  if(!check_verify($verify)){      $this->error("亲，验证码输错了哦！",$this->site_url,9);  }