如何改写这段伪静态成linxu可用的

Question

这是一个php通过url处理图片用的，作者写的伪静态是apache的，Nginx下 如何修改这段伪静态，求大神帮个忙，小弟感激不尽，谢谢

RewriteRule ^(.*\.(png|jpg))/(.*)$ image.php?url=$1&param=$3 [L]

image.php代码

<?php
/*
 * 
 *  伪静态规则：
 *  `RewriteRule ^(.*\.(png|jpg))/(.*)$ image.php?url=$1&param=$3 [L]`
 * 
 *  http://tv1314.com/content/uploadfile/201703/0eac1488598225.jpg?param=600y400
 *  http://tv1314.com/content/uploadfile/201703/0eac1488598225.jpg?param=300y200
 * */

define('EMLOG_ROOT', dirname(__FILE__));
$imgurl = EMLOG_ROOT.$_GET['url'];
$param = $_GET['param'];
if(file_exists($imgurl) || $param ==''){
  header("HTTP/1.1 404 Not Found");  
  header("Status: 404 Not Found");  
  exit;  
}
preg_match_all('#param=(.*)y(.*)#',$param,$info);
$width = $info[1][0];
$height = $info[2][0];
imagecropper($_GET['url'],$width,$height);
function imagecropper($source_path, $target_width, $target_height){
  $source_info = getimagesize($source_path);
  $source_width = $source_info[0];
  $source_height = $source_info[1];
  $source_mime = $source_info['mime'];
  $source_ratio = $source_height / $source_width;
  $target_ratio = $target_height / $target_width;
  // 源图过高
  if ($source_ratio > $target_ratio){
    $cropped_width = $source_width;
    $cropped_height = $source_width * $target_ratio;
    $source_x = 0;
    $source_y = ($source_height - $cropped_height) / 2;
  }
  // 源图过宽
  elseif ($source_ratio < $target_ratio)
  {
    $cropped_width = $source_height / $target_ratio;
    $cropped_height = $source_height;
    $source_x = ($source_width - $cropped_width) / 2;
    $source_y = 0;
  }// 源图适中
  else{
    $cropped_width = $source_width;
    $cropped_height = $source_height;
    $source_x = 0;
    $source_y = 0;
  }
  switch ($source_mime){
    case 'image/gif':
      $source_image = imagecreatefromgif($source_path);
    break;
      case 'image/jpeg':
      $source_image = imagecreatefromjpeg($source_path);
    break;
      case 'image/png':
      $source_image = imagecreatefrompng($source_path);
    break;
      default:
      return false;
    break;
  }
  $target_image = imagecreatetruecolor($target_width, $target_height);
  $cropped_image = imagecreatetruecolor($cropped_width, $cropped_height);
  // 裁剪
  imagecopy($cropped_image, $source_image, 0, 0, $source_x, $source_y, $cropped_width, $cropped_height);
  // 缩放
  imagecopyresampled($target_image, $cropped_image, 0, 0, 0, 0, $target_width, $target_height, $cropped_width, $cropped_height);
  //保存图片到本地(两者选一)
  //$randNumber = mt_rand(00000, 99999). mt_rand(000, 999);
  //$fileName = substr(md5($randNumber), 8, 16) .".png";
  //imagepng($target_image,'./'.$fileName);
  //imagedestroy($target_image);

  //直接在浏览器输出图片(两者选一)
  header('Content-Type: image/jpeg');
  imagepng($target_image);
  imagedestroy($target_image);
  imagejpeg($target_image);
  imagedestroy($source_image);
  imagedestroy($target_image);
  imagedestroy($cropped_image);
}
?>

Answer 1

图片 url 是/xx/example.jpg/yy这种格式？
看代码，似乎图片后缀后面没有/

rewrite ^(.*\.(png|jpg))/(.*)$ /image.php?url=$1¶m=$3 break;