h5-cli
Version:
hello
103 lines (90 loc) • 3.4 kB
JavaScript
/**
微信内支付
new WXPayModule(param).subscribe({
onSuccess(){
}
onError(){
}
}).fetch();
*/
import JSONPAsyncData from '../lib/JSONPAsyncData'
export default class WXPayModule extends JSONPAsyncData{
constructor(param){
super()
/**
appid: "wxe9062380f1a04582"
mch_id: "1279981801"
nonceStr: "SU1449728064"
notify_url: "http://api.daily.yuantutech.com/user-web/restapi/common/wx/payNotify"
partner: "1279981801"
paySign: "623076DB37F46CBED4E4C52874204723"
prepayId: "wx2015121014142451ed3c87c70557435178"
signType: "MD5"
timeStamp: "1449728064"
*/
this.param = param;
}
fetch(){
/**
appid: "wxe9062380f1a04582"
mch_id: "1279981801"
nonceStr: "SU1449728064"
notify_url: "http://api.daily.yuantutech.com/user-web/restapi/common/wx/payNotify"
partner: "1279981801"
paySign: "623076DB37F46CBED4E4C52874204723"
prepayId: "wx2015121014142451ed3c87c70557435178"
signType: "MD5"
timeStamp: "1449728064"
*/
//验证服务端返回的参数
let param = this.param;
if(!param.appid || !param.timeStamp || !param.nonceStr || !param.prepayId || !param.paySign){
this.emit(this.ERROR, {
sucess:false,
msg:"缺少必要参数 appid, timeStamp, nonceStr, prepay_id, paySign 其中一项"
})
}
var self = this;
function onBridgeReady(){
self.bridgePay( param.appid, param.timeStamp, param.nonceStr, param.prepayId, param.paySign );
}
if (typeof WeixinJSBridge == "undefined"){
if( document.addEventListener ){
document.addEventListener('WeixinJSBridgeReady', onBridgeReady, false);
}else if (document.attachEvent){
document.attachEvent('WeixinJSBridgeReady', onBridgeReady);
document.attachEvent('onWeixinJSBridgeReady', onBridgeReady);
}
}else{
onBridgeReady();
}
}
bridgePay(appId, timeStamp, nonceStr, prepay_id, paySign){
var self = this;
self.emit(self.SEND_BEFORE, {msg:"正在使用微信支付...", success:false})
WeixinJSBridge.invoke(
'getBrandWCPayRequest', {
"appId":appId, //公众号名称，由商户传入
"timeStamp":timeStamp, //时间戳，自1970年以来的秒数
"nonceStr":nonceStr, //随机串
"package":"prepay_id="+prepay_id,
"signType":"MD5", //微信签名方式：
"paySign":paySign //微信签名
},
function(res){
//get_brand_wcpay_request：cancel 取消
//get_brand_wcpay_request：ok 成功
//get_brand_wcpay_request：fail 错误
//注：JS API的返回结果get_brand_wcpay_request：ok仅在用户成功完成支付时返回。由于前端交互复杂，get_brand_wcpay_request：cancel或者get_brand_wcpay_request：fail可以统一处理为用户遇到错误或者主动放弃，不必细化区分。
var msg = res.err_msg;
if( msg == "get_brand_wcpay_request:ok"){
self.emit(self.SUCCESS, {msg:"支付成功", success:true})
}else if( msg == "get_brand_wcpay_request:cancel"){
self.emit(self.ERROR, {msg:"取消支付", success:false})
}else{
self.emit(self.ERROR, {msg:"支付遇到错误，请稍后再试", success:false})
}
}
);
}
}