config comments

Author: rwifeng

src/Qiniu/Config.php

@@ -5,18 +5,19 @@ final class Config
 {
     const SDK_VER = '7.0.0';
 
-    const IO_HOST  = 'http://iovip.qbox.me';
-    const RS_HOST  = 'http://rs.qbox.me';
-    const RSF_HOST = 'http://rsf.qbox.me';
-    const API_HOST = 'http://api.qiniu.com';
+    const IO_HOST  = 'http://iovip.qbox.me';		// 七牛源站Host
+    const RS_HOST  = 'http://rs.qbox.me';		// 文件元信息管理操作Host
+    const RSF_HOST = 'http://rsf.qbox.me';		// 列举操作Host
+    const API_HOST = 'http://api.qiniu.com';		// 数据处理操作Host
 
-    const UPAUTO_HOST = 'http://up.qiniu.com';
-    const UPDX_HOST = 'http://updx.qiniu.com';
-    const UPLT_HOST = 'http://uplt.qiniu.com';
-    const UPYD_HOST = 'http://upyd.qiniu.com';
-    const UPBACKUP_HOST = 'http://upload.qiniu.com';
+    const UPAUTO_HOST = 'http://up.qiniu.com';		// 默认上传Host
+    const UPDX_HOST = 'http://updx.qiniu.com';		// 电信上传Host
+    const UPLT_HOST = 'http://uplt.qiniu.com';		// 联通上传Host
+    const UPYD_HOST = 'http://upyd.qiniu.com';		// 移动上传Host
+    const UPBACKUP_HOST = 'http://upload.qiniu.com';	// 备用上传Host
 
-    const BLOCK_SIZE = 4194304; # 4*1024*1024
+    const BLOCK_SIZE = 4194304; # 4*1024*1024		// 断点续上传分块大小，该参数为接口规格，暂不支持修改
 
-    public static $defaultHost = self::UPAUTO_HOST;
+    public static $defaultHost = self::UPAUTO_HOST;	// 设置为默认上传Host
 }
+