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阿里云OSS轻量级Driver

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Jun 07, 2016 am 11:40 AM

不用加载官方那一大坨sdk了，简单一点
看过网上的一些例子都过于复杂，包含了官方的phpsdk那一大坨东西，理论上我只需要简单的上传文件而已，不需要那么多东西，于是自己写了一下。

以下代码保存到/yourpath/ThinkPHP/Library/Think/Upload/Driver/Oss.class.php即可<?php // +---------------------------------------------------------------------- // | ThinkPHP [ WE CAN DO IT JUST THINK IT ] // +---------------------------------------------------------------------- // | Copyright (c) 2006-2014 http://thinkphp.cn All rights reserved. // +---------------------------------------------------------------------- // | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 ) // +---------------------------------------------------------------------- // | Author: 废墟 <r.anerg> <http:> // +---------------------------------------------------------------------- namespace Think\Upload\Driver; class Oss { const OSS_HOST = 'oss.aliyuncs.com'; /** * 上传文件根目录 * @var string */ private $rootPath; /** * 上传错误信息 * @var string */ private $error = ''; private $config = array( 'access_id' => '', //阿里云Access Key ID 'access_key' => '', //阿里云Access Key Secret 'bucket' => '', //空间名称 'timeout' => 90, //超时时间 ); /** * 构造函数，用于设置上传根路径 * @param array $config FTP配置 */ public function __construct($config) { /* 默认FTP配置 */ $this->config = array_merge($this->config, $config); } /** * 检测上传根目录(阿里云上传时支持自动创建目录，直接返回) * @param string $rootpath 根目录 * @return boolean true-检测通过，false-检测失败 */ public function checkRootPath($rootpath) { /* 设置根目录 */ $this->rootPath = trim($rootpath, './') . '/'; return true; } /** * 检测上传目录(阿里云上传时支持自动创建目录，直接返回) * @param string $savepath 上传目录 * @return boolean 检测结果，true-通过，false-失败 */ public function checkSavePath($savepath) { return true; } /** * 创建文件夹 (阿里云上传时支持自动创建目录，直接返回) * @param string $savepath 目录名称 * @return boolean true-创建成功，false-创建失败 */ public function mkdir($savepath) { return true; } /** * 保存指定文件 * @param array $file 保存的文件信息 * @param boolean $replace 同名文件是否覆盖 * @return boolean 保存状态，true-成功，false-失败 */ public function save($file, $replace = true) { $_headers = array('Content-Type: ' . $file['type']); $resource = fopen($file['tmp_name'], 'r'); $path = $this->rootPath . $file['savepath'] . $file['savename']; $uri = "/{$this->config['bucket']}{$path}"; $ch = curl_init('http://' . self::OSS_HOST . $uri); $date = gmdate('D, d M Y H:i:s \G\M\T'); array_push($_headers, "Date: {$date}"); $sign_string = "PUT\n\n" . $file['type'] . "\n" . $date . "\n" . $uri; $sign = $this->hex_to_base64(hash_hmac('sha1', $sign_string, $this->config['access_key'])); array_push($_headers, 'Authorization: OSS ' . $this->config['access_id'] . ':' . $sign); fseek($resource, 0, SEEK_END); $length = ftell($resource); fseek($resource, 0); array_push($_headers, "Content-Length: {$length}"); curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "PUT"); curl_setopt($ch, CURLOPT_POST, 1); curl_setopt($ch, CURLOPT_INFILE, $resource); curl_setopt($ch, CURLOPT_INFILESIZE, $length); curl_setopt($ch, CURLOPT_HTTPHEADER, $_headers); curl_setopt($ch, CURLOPT_TIMEOUT, $this->config['timeout']); curl_setopt($ch, CURLOPT_HEADER, 1); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 0); $response = curl_exec($ch); $status = curl_getinfo($ch, CURLINFO_HTTP_CODE); fclose($resource); if ($status == 200) { return true; } else { $this->error = $response; return false; } } /** * 获取最后一次上传错误信息 * @return string 错误信息 */ public function getError() { return $this->error; } private function hex_to_base64($str) { $result = ''; for ($i = 0; $i $result .= chr(hexdec(substr($str, $i, 2))); } return base64_encode($result); } }</http:></r.anerg>使用方法也比较简单，如果只有一个bucket则可以把配置写入config.php里，内容如下'FILE_UPLOAD_TYPE' => 'Oss', 'UPLOAD_TYPE_CONFIG' => array( 'access_id' => 'access_id', //阿里云Access Key ID 'access_key' => 'access_key', //阿里云Access Key Secret 'bucket' => 'bucket' //阿里云的bucket ),如果你需要将不同的文件存入不同的bucket则需要在上传方法中采用动态配置$config = array( 'maxSize' => 0, 'exts' => array('jpg', 'jpeg', 'png'), 'saveName' => array('uniq_photo_name', '__FILE__'), 'rootPath' => '/', ); $oss_config = array( 'access_id' => 'access_id', //阿里云Access Key ID 'access_key' => 'access_key', //阿里云Access Key Secret 'bucket' => 'bucket' ); $upload = new \Think\Upload($config, 'Oss', $oss_config);

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