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https://blog.csdn.net/jiemaio/article/details/84958288

 

https://pay.weixin.qq.com/wiki/doc/api/native.php?chapter=6_5

 

http://www.vue111.net/wangluo/77722.html

 

https://www.shangmayuan.com/a/2865877cb80946aab3487b11.html