Thinkphp自定义生成缩略图尺寸的方法_php实例_

 function getLogo($logo, $width, $height, $name) { $fileArr = pathinfo($logo); $dirname = $fileArr['dirname']; $filename = $fileArr['filename']; $extension = $fileArr['extension']; $logo_rs = ""; if ($width > 0 && $height > 0) { $name_thumb = $dirname . "/" . $filename . "_" . $width . "_" . $height . "." . $extension; if (!file_exists($name_thumb)) { if (file_exists($logo)) { $image = new \Think\Image(); $image->open($logo); $image->thumb($width, $height)->save($name_thumb); } else { $name_thumb = ""; } } if ($name_thumb) { $logo_rs = $name_thumb; } } else { $logo_rs = $logo; } if ($logo_rs) { if ($name) { return ""; } else { return __APP__ . "/" . $logo_rs; } } }