harmony_flutter_ 微信支付的简单调用

{2  "name": "demo",3  "version": "1.0.0",4  "description": "Please describe the basic information.",5  "main": "",6  "author": "",7  "license": "",8   "dependencies": {9    "@tencent/wechat_open_sdk": "1.0.0"10  }11}

import * as wxopensdk from '@wechat/open_sdk';23// WXApi 是第三方app和微信通信的openApi接口，其实例通过WXAPIFactory获取，需要传入应用申请到的AppID4export const WXApi = wxopensdk.WXAPIFactory.createWXAPI(APP_ID)56// WXApiEventHandler为微信数据的回调7class WXApiEventHandlerImpl implements wxopensdk.WXApiEventHandler {8  private onReqCallbacks: Map<OnWXReq, OnWXReq> = new Map9  private onRespCallbacks: Map<OnWXResp, OnWXResp> = new Map1011  registerOnWXReqCallback(on: OnWXReq) {12    this.onReqCallbacks.set(on, on)13  }14  unregisterOnWXReqCallback(on: OnWXReq) {15    this.onReqCallbacks.delete(on)16  }1718  registerOnWXRespCallback(on: OnWXResp) {19    this.onRespCallbacks.set(on, on)20  }21  unregisterOnWXRespCallback(on: OnWXResp) {22    this.onRespCallbacks.delete(on)23  }2425  onReq(req: wxopensdk.BaseReq): void {26    Log.i(kTag, "onReq:%s", JSON.stringify(req))27    this.onReqCallbacks.forEach((on) => {28      on(req)29    })30  }3132  onResp(resp: wxopensdk.BaseResp): void {33    Log.i(kTag, "onResp:%s", JSON.stringify(resp))34    this.onRespCallbacks.forEach((on) => {35      on(resp)36    })37  }38}39export const WXEventHandler = new WXApiEventHandlerImpl4041//调用支付42let req = new wxopensdk.PayReq43req.appId = 'wxd930ea5d5a258f4f'//微信开放平台审核通过的移动应用AppID44req.partnerId = '1900000109'//微信支付商户号45req.prepayId = '1101000000140415649af9fc314aa427'//调用微信支付下单接口返回的支付交易会话ID46req.packageValue = 'Sign=WXPay'//填写固定值Sign=WXPay47req.nonceStr = '1101000000140429eb40476f8896f4c9'//随机字符串，不长于32位48req.timeStamp = '1398746574'//时间戳49req.sign = '7FFECB600D7157C5AA49810D2D8F28BC2811827B'//签名值50// 向微信发送登录请求:51//   context为ohos内置类，app间跳转需依赖该类，开发者可在Component中获取52//   finished为跳转微信的结果：true表示跳转成功；false表示跳转失败，可能是因为微信未安装53let finished = await this.wxApi.sendReq(context: common.UIAbilityContext, req)545556// 在EntryAbility中响应来自微信的回调57export default class EntryAbility extends UIAbility {58  onCreate(want: Want, _launchParam: AbilityConstant.LaunchParam): void {59    this.handleWeChatCallIfNeed(want)60  }61  62  onNewWant(want: Want, _launchParam: AbilityConstant.LaunchParam): void {63    this.handleWeChatCallIfNeed(want)64  }6566  private handleWeChatCallIfNeed(want: Want) {67    WXApi.handleWant(want, WXEventHandler)68  }69}

  Future<bool> registerWxApi(String appId) {    return ExamOhosUtilsPlatform.instance.registerWxApi(appId);  }
  Future<bool> payWithWeChat({    String appId,    String partnerId,    String prepayId,    String packageValue,    String nonceStr,    int timeStamp,    String sign,    String signType,    String extData,  }) {    return ExamOhosUtilsPlatform.instance.payWithWeChat(        appId: appId,        partnerId: partnerId,        prepayId: prepayId,        packageValue: packageValue,        nonceStr: nonceStr,        timeStamp: timeStamp,        sign: sign,        signType: signType,        extData: extData);  }}

ExamOhosUtils().payWithWeChat(  appId: itemMap['appid'].toString(),  partnerId: itemMap['partnerid'].toString(),  prepayId: itemMap['prepayid'].toString(),  packageValue: itemMap['package'].toString(),  nonceStr: itemMap['noncestr'].toString(),  timeStamp: int.parse(itemMap['timestamp']),  sign: itemMap['sign'].toString(),)    .then((data) {  print("---》$data");});