<?xml version="1.0" encoding="UTF-8" ?>
<methodCall>
<methodName>rpc.wk_get_dir</methodName>
<params>
<param>
<value>
<string>
{"top_dir":"Lw==","page":1,"limit":1000,"cc_uuid":"1CE1254C-5E77-21CB-C16C-C2BAF77FC6A7","cc_type":"STD"}
</string>
</value>
</param>
</params>
</methodCall>
第一行的<?xml 里是三个空格,有时候复制粘贴后不是空格,则需要自己删除加space