增加UploadFile类

library/think/UploadFile.php

@@ -0,0 +1,91 @@
+<?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;
+
+class UploadFile
+{
+
+    /**
+     * 上传文件信息
+     * @var array
+     */
+    protected $info = [];
+
+    /**
+     * 上传错误信息
+     * @var string
+     */
+    private $error = '';
+
+    public function __construct($file)
+    {
+        $this->info = $file;
+    }
+
+    protected function checkPath($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;
+        }
+    }
+
+    /**
+     * 移动文件
+     * @param  string   $path    保存路径
+     * @param  string   $savename    保存的文件名
+     * @param  boolean $replace 同名文件是否覆盖
+     * @return boolean          保存状态，true-成功，false-失败
+     */
+    public function moveTo($path, $savename = '', $replace = true)
+    {
+        if (false === $this->checkPath($path)) {
+            return false;
+        }
+
+        $savename = $savename ?: $this->info['name'];
+        /* 不覆盖同名文件 */
+        if (!$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->info['tmp_name'], $path . $savename)) {
+            $this->error = '文件上传保存错误！';
+            return false;
+        }
+        $this->info['path']     = $path;
+        $this->info['savename'] = $savename;
+        return true;
+    }
+
+    /**
+     * 获取文件信息
+     * @param  string   $path    保存路径
+     * @param  string   $savename    保存的文件名
+     * @param  boolean $replace 同名文件是否覆盖
+     * @return mixed          保存状态，true-成功，false-失败
+     */
+    public function getInfo($name = '')
+    {
+        return isset($this->info[$name]) ? $this->info[$name] : $this->info;
+    }
+
+}