改进Input类对file的支持 Validate类增加file fileSize fileExt fileMime验证规则 增加File类

library/think/File.php

@@ -0,0 +1,96 @@
+<?php
+// +----------------------------------------------------------------------
+// | ThinkPHP [ WE CAN DO IT JUST THINK ]
+// +----------------------------------------------------------------------
+// | Copyright (c) 2006~2016 http://thinkphp.cn All rights reserved.
+// +----------------------------------------------------------------------
+// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
+// +----------------------------------------------------------------------
+// | Author: liu21st <liu21st@gmail.com>
+// +----------------------------------------------------------------------
+
+namespace think;
+
+use SplFileObject;
+
+class File extends SplFileObject
+{
+
+    /**
+     * 错误信息
+     * @var string
+     */
+    private $error = '';
+
+    /**
+     * 检查目录是否可写
+     * @param  string   $path    目录
+     * @return boolean
+     */
+    protected function checkPath($path)
+    {
+
+        if (is_dir($path)) {
+            return true;
+        }
+
+        if (mkdir($path, 0777, true)) {
+            return true;
+        } else {
+            $this->error = "目录 {$savepath} 创建失败！";
+            return false;
+        }
+    }
+
+    /**
+     * 获取文件类型信息
+     * @return string
+     */
+    public function getMime()
+    {
+        $finfo = finfo_open(FILEINFO_MIME_TYPE);
+        return finfo_file($finfo, $this->getRealPath());
+    }
+
+    /**
+     * 移动文件
+     * @param  string   $path    保存路径
+     * @param  string   $savename    保存的文件名
+     * @param  boolean $replace 同名文件是否覆盖
+     * @return false|SplFileInfo false-失败 否则返回SplFileInfo实例
+     */
+    public function move($path, $savename = '', $replace = true)
+    {
+        if (!is_uploaded_file($this->getRealPath())) {
+            return false;
+        }
+
+        if (false === $this->checkPath($path)) {
+            return false;
+        }
+
+        $savename = $savename ?: $this->getFilename();
+        /* 不覆盖同名文件 */
+        if (!$replace && is_file($path . $savename)) {
+            $this->error = '存在同名文件' . $path . $savename;
+            return false;
+        }
+
+        /* 移动文件 */
+        if (!move_uploaded_file($this->getRealPath(), $path . $savename)) {
+            $this->error = '文件上传保存错误！';
+            return false;
+        }
+
+        return new SplFileInfo($path . $savename);
+    }
+
+    /**
+     * 获取错误信息
+     * @return mixed
+     */
+    public function getError()
+    {
+        return $this->error;
+    }
+}