2){ $length = intval($_GET['length']); } //设置验证码字符库 $code_set=""; if(!empty($_GET['charset'])){ $mletters=str_split($_GET['charset']); $mletters=array_unique($mletters); if(count($mletters)>5){ $code_set= trim($_GET['charset']); } } $use_noise=1; if(isset($_GET['use_noise'])){ $use_noise= intval($_GET['use_noise']); } $use_curve=1; if(isset($_GET['use_curve'])){ $use_curve= intval($_GET['use_curve']); } $font_size=25; if (isset($_GET['font_size']) && intval($_GET['font_size'])){ $font_size = intval($_GET['font_size']); } $width=0; if (isset($_GET['width']) && intval($_GET['width'])){ $width = intval($_GET['width']); } $height=0; if (isset($_GET['height']) && intval($_GET['height'])){ $height = intval($_GET['height']); } $background=array(243, 251, 254); if (isset($_GET['background'])){ $mbackground=array_map('intval', explode(',', $_GET['background'])); if(count($mbackground)>2 && $mbackground[0]<=255 && $mbackground[1]<=255 && $mbackground[2]<=255){ $background=array( $mbackground[0],$mbackground[1],$mbackground[2] ); } } $config = array( 'codeSet' => !empty($code_set)?$code_set:"2345678abcdefhijkmnpqrstuvwxyzABCDEFGHJKLMNPQRTUVWXY", // 验证码字符集合 'expire' => 1800, // 验证码过期时间(s) 'useImgBg' => false, // 使用背景图片 'fontSize' => !empty($font_size)?$font_size:25, // 验证码字体大小(px) 'useCurve' => $use_curve===0?false:true, // 是否画混淆曲线 'useNoise' => $use_noise===0?false:true, // 是否添加杂点 'imageH' => $height, // 验证码图片高度 'imageW' => $width, // 验证码图片宽度 'length' => !empty($length)?$length:4, // 验证码位数 'bg' => $background, // 背景颜色 'reset' => true, // 验证成功后是否重置 ); $Verify = new \Think\Verify($config); $Verify->entry(); } }