腾讯云对象存储服务(cos)之PHP实践

云对象存储服务, BAT都有其业务, 本文选择腾讯是因为腾讯有每月免费流量, 而阿里和百度都是需要先付费后使用, 另外新兴的像七牛云存储, 也是很不错的解决方案.
贴代码

<?php/** * Simple Tencent COS SDK * 2016/05/09 * Author: hldh214 <[e-mail]> */// 配置项 start$appid = '';$bucket_name = '';$dir_name = '';$secretID = '';$secretKey = '';// 配置项 end// 需要存储的资源url, 这里用百度logo来做演示$pic_url = 'http://www.baidu.com/img/logo.gif';// 获取文件名$filename = end(explode('/', $pic_url));// 构造上传url$upload_url = "web.file.myqcloud.com/files/v1/$appid/$bucket_name/$dir_name/$filename";// 设置过期时间$exp = time() + 3600;// 构造鉴权key$sign = "a=$appid&b=$bucket_name&k=$secretID&e=$exp&t=" . time() . '&r=' . rand() . "&f=/$appid/$bucket_name/$dir_name/$filename";$sign = base64_encode(hash_hmac('SHA1', $sign, $secretKey, true) . $sign);// 构造post数据$post_data = [    'op' => 'upload',    'filecontent' => file_get_contents($pic_url),  // baidu logo];// 设置post的headers, 加入鉴权key$header = [    'Content-Type: multipart/form-data',    'Authorization: ' . $sign,];// post$ch = curl_init($upload_url);curl_setopt($ch, CURLOPT_POST, 1);curl_setopt($ch, CURLOPT_HTTPHEADER, $header);curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);$res = curl_exec($ch);curl_close($ch);$res = json_decode($res, true);if (isset($res['data']['access_url'])) {    // 成功, 输出文件url    echo $res['data']['access_url'];} else {    // 失败    echo $res;}