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微信JS-SDK说明文档
https://mp.weixin.qq.com/wiki?action=doc&id=mp1421141115&t=0.40348856472497907#11
微信JS-SDK接口
http://qydev.weixin.qq.com/wiki/index.php?title=%E5%BE%AE%E4%BF%A1JS-SDK%E6%8E%A5%E5%8F%A3
微信支付开发者文档——境内普通商户
https://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=7_7&index=6
微信小程api
https://developers.weixin.qq.com/miniprogram/dev/api/
微信强制清除缓存
https://blog.csdn.net/longlc123/article/details/79807357
微信 JS 接口签名校验工具
https://mp.weixin.qq.com/debug/cgi-bin/sandbox?t=jsapisign
微信H5支付
https://pay.weixin.qq.com/wiki/doc/api/H5.php?chapter=15_2