Update:设置上传文件大小

src/Library/Upload.php

@@ -235,6 +235,7 @@ class Upload
         'mobi' => 'application/octet-stream',
     );
     public $size = 0;
+    public static $fileHash = array();
     public function __construct()
     {
     
@@ -444,7 +445,7 @@ class Upload
             $data['src'] = toUTF8($realPath);
             $data['name'] = toUTF8($files['name']);
             $data['file_type'] = $files['type'];
-            $data['file_hash'] = md5_file($realPath);
+            $data['file_hash'] = $this->fileHash($realPath);
             $data['size'] = $files['size'];
         } else {
             $data['src'] = '';
@@ -455,6 +456,18 @@ class Upload
         }
         return $data;
     }
+
+    /**
+     * 获取文件hash
+     *
+     * @param $file
+     * @return mixed
+     */
+    public function fileHash($file) {
+        if(isset(self::$fileHash[$file])) return self::$fileHash[$file];
+        self::$fileHash[$file] = md5_file($file);
+        return self::$fileHash[$file];
+    }
     
     /**
      * 上传文件