Wxpay.uts

import IWXAPI from 'com.tencent.mm.opensdk.openapi.IWXAPI';
import WXAPIFactory from 'com.tencent.mm.opensdk.openapi.WXAPIFactory';
import PayReq from 'com.tencent.mm.opensdk.modelpay.PayReq';
import BaseReq from 'com.tencent.mm.opensdk.modelbase.BaseReq';
const defaultErrorCode : number = 700000
export class Wxpay {
	public static mOptions : RequestPaymentOptions = {
		orderInfo: "",
		provider: ""
	} as RequestPaymentOptions
	public requestPayment(options : RequestPaymentOptions) {
		if (!Wxpay.isInstalled()) {
			let err = new RequestPaymentFailImpl(700604);
			options.fail?.(err)
			options.complete?.(err)
			return
		}

		mOptions = options
		let params = JSON.parse(options.orderInfo) as UTSJSONObject
		let appId = params.getString("appid")
		let partnerId = params.getString("partnerid")
		let prepayId = params.getString("prepayid")
		let packageV = params.getString("package")
		let nonceStr = params.getString("noncestr")
		let timeStamp = params.getNumber("timestamp")
		let sign = params.getString("sign")
		let wxApi = WXAPIFactory.createWXAPI(UTSAndroid.getTopPageActivity(), appId, false)
		let request = new PayReq();
		if (appId != null) {
			wxApi.registerApp(appId)
			request.appId = appId
		}
		if (partnerId != null) {
			request.partnerId = partnerId
		}
		if (prepayId != null) {
			request.prepayId = prepayId
		}
		if (packageV != null) {
			request.packageValue = packageV
		}
		if (nonceStr != null) {
			request.nonceStr = nonceStr
		}
		if (timeStamp != null) {
			request.timeStamp = "" + timeStamp
		}
		if (sign != null) {
			request.sign = sign
		}
		let res = wxApi.sendReq(request);
		if (!res) {
			let err = new RequestPaymentFailImpl(defaultErrorCode.toInt());
			options.fail?.(err)
			options.complete?.(err)
		}
	}
	/**
	 * 微信app是否安装
	 */
	static isInstalled() : boolean {
		let api = WXAPIFactory.createWXAPI(UTSAndroid.getTopPageActivity(), '');
		return api!.isWXAppInstalled()
	}
};