微信支付:
https://pay.weixin.qq.com/wiki/doc/api/index.html
支付宝支付
https://open.alipay.com/platform/home.htm
https://b.alipay.com/order/productIndex.htm
https://pingxx.com/ 集成微信支付,公众账号支付,支付宝钱包,百度钱包,银联手机支付,扫码支付
微信扫描支付:https://pay.weixin.qq.com/wiki/doc/api/app.php?chapter=11_1