curl --location --request POST '/pay/closeorder' \
--header 'Content-Type: application/xml' \
--data-raw '<xml>
<appid>wx2421b1c4370ec43b</appid>
<mch_id>10000100</mch_id>
<nonce_str>4ca93f17ddf3443ceabf72f26d64fe0e</nonce_str>
<out_trade_no>1415983244</out_trade_no>
<sign>59FF1DF214B2D279A0EA7077C54DD95D</sign>
</xml>'
<xml>
<return_code>
<![CDATA[SUCCESS]]>
</return_code>
<return_msg>
<![CDATA[OK]]>
</return_msg>
<appid>
<![CDATA[wx2421b1c4370ec43b]]>
</appid>
<mch_id>
<![CDATA[10000100]]>
</mch_id>
<nonce_str>
<![CDATA[BFK89FC6rxKCOjLX]]>
</nonce_str>
<sign>
<![CDATA[72B321D92A7BFA0B2509F3D13C7B1631]]>
</sign>
<result_code>
<![CDATA[SUCCESS]]>
</result_code>
</xml>