微信小程序API 微信支付
wx.requestPayment(OBJECT)
微信小程序发起微信支付
Object参数说明:

示例代码:
wx.requestPayment({
"timeStamp": "",
"nonceStr": "",
"package": "",
"signType": "MD5",
"paySign": "",
"success":function(res){
},
"fail":function(res){
}
})