ThinkPHP5自动生成缩略图函数
函数放在common.php公共文件即可 function thumb ($src = '', $width = 500 , $height = 500 , $type = 1 , $replace = false) { $src = './'.$src; if (is_file($src) && file_exists($src)) { $ext = pathinfo($src, PATHINFO_EXTENSION); $name = basename($src, '.'.$ext); $dir = dirname($src); if (in_array($ext, array ('gif','jpg','jpeg','bmp','png'))) { $name = $name.'_thumb_'.$width.'_'.$height.'.'.$ext; $file = $dir.'/'.$name; if (!file_exists($file) || $replace == TRUE ) { $image = \think\Image::open($src); $image->thumb($width, $height, $type); $image->save($file); } $file=str_replace("\\","/",$file); $file = '/'