From 868880f48c44f9818ab15a9aebdea960c5ca1ce1 Mon Sep 17 00:00:00 2001
From: neikochan <softbs@outlook.com>
Date: Tue, 11 Aug 2020 17:12:41 +0800
Subject: [PATCH] add comment for QNMetaDemo to set x-qn-meta-* [ci skip]

---
 examples/QNMetaDemo.java | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/examples/QNMetaDemo.java b/examples/QNMetaDemo.java
index 0436b8f38..5173bd486 100644
--- a/examples/QNMetaDemo.java
+++ b/examples/QNMetaDemo.java
@@ -9,6 +9,21 @@
 import java.util.Iterator;
 import java.util.Map;
 
+/**
+ * 自定义文件元信息demo(x-qn-meta-*)
+ * 
+ * 接口
+ * POST /setmeta/<EncodedEntryURI>[/<x-qn-meta-MetaKey>/<EncodedMetaValue>][/cond/Encoded(condKey1=condVal1&condKey2=condVal2)]
+ * Host: rs-<region>.qiniu.com
+ * Content-Type: application/x-www-form-urlencoded
+ * Authorization: Qbox 鉴权
+ * 
+ * 注意：
+ * meta-key，key不能设置为中文,不允许为空;
+ * 新的metas会完全替换掉以前的metas，注意, 是完全覆盖;
+ * 如果请求url中没有 [<x-qn-meta-MetaKey>/<EncodedMetaValue>]，则表示要删除所有metas;
+ *
+ */
 public class QNMetaDemo {
     //设置好账号的ACCESS_KEY和SECRET_KEY
     private static final String ACCESS_KEY = "填写你们自己的AK";