classroom-app/src/views/adapay/pay-result/index.tsx

import request from '@/helpers/request';
import { browser, getUrlCode, moneyFormat } from '@/helpers/utils';
import { goWechatAuth } from '@/state';
import {
  Cell,
  CellGroup,
  Icon,
  Loading,
  showConfirmDialog,
  showToast
} from 'vant';
import { defineComponent, onMounted, reactive } from 'vue';
import { useRouter, useRoute } from 'vue-router';
import styles from './index.module.less';

export default defineComponent({
  name: 'pay-result',
  setup() {
    const router = useRouter();
    const route = useRoute();
    const state = reactive({
      errorText: '',
      browserStatus: false,
      code: null as any,
      pay_channel: route.query.pay_channel as any,
      wxAppId: route.query.wxAppId as any,
      body: route.query.body as any,
      price: route.query.price as any,
      orderNo: route.query.orderNo as any,
      userId: route.query.userId as any,
      payInfo: {} as any
    });

    console.log(state.errorText);

    const init = () => {
      const query = route.query;
      console.log(query);
      // 判断是否有支付对象
      if (!query.orderNo || !query.pay_channel) {
        showConfirmDialog({
          message: '支付订单信息错误请重新支付',
          showCancelButton: false
        }).then(() => {
          router.back();
        });
      } else {
        // 判断当前浏览器
        if (browser().weixin) {
          state.browserStatus = true;
          getWxPay();
        } else if (browser().alipay) {
          state.browserStatus = true;
          getPayment();
        } else {
          state.errorText = '请在微信或支付宝客户端打开';
          document.title = 'ERROR';
        }
      }
    };

    const getPayment = async () => {
      try {
        if (parseFloat(state.price) <= 0) {
          showToast('支付金额异常');
          return;
        }
        const payMap: any = {
          merOrderNo: state.orderNo,
          paymentChannel: state.pay_channel, // 支付渠道
          userId: state.userId
        };
        //     // 判断是否是微信公众号支付
        if (state.pay_channel == 'wx_pub') {
          payMap.code = state.code;
        }

        const { data } = await request.post(
          '/edu-app/open/userOrder/executePayment',
          {
            data: {
              ...payMap
            }
          }
        );

        scanCodePay(data.reqParams);
      } catch (e) {
        //
        console.log(e);
        // 接口报错也跳转到支付回调页
        window.location.replace(
          location.origin +
            '/classroom-app/#/payment-result?orderNo=' +
            state.orderNo
        );
      }
    };

    const scanCodePay = (data: any) => {
      // 判断支付方式 如果是 test 模式 支付用测试url 否则用生产url
      if (state.pay_channel == 'alipay_qr') {
        const url =
          data.prod_mode === 'false'
            ? data?.expend?.qrcode_url +
              '?payment_id=' +
              data.id +
              '&pay_channel=' +
              data.pay_channel
            : data?.expend?.qrcode_url;
        window.location.href = url;
      } else if (state.pay_channel == 'alipay_wap') {
        window.location.href = data?.expend?.pay_info;
      } else if (state.pay_channel == 'wx_pub') {
        const tempPayInfo = data?.expend
          ? JSON.parse(data?.expend?.pay_info)
          : data;
        state.payInfo = tempPayInfo;
        if (typeof (window as any).WeixinJSBridge == 'undefined') {
          if (document.addEventListener) {
            document.addEventListener(
              'WeixinJSBridgeReady',
              onBridgeReady,
              false
            );
          } else if ((document as any).attachEvent) {
            (document as any)
              .attachEvent(
                'WeixinJSBridgeReady',
                onBridgeReady
              )(document as any)
              .attachEvent('onWeixinJSBridgeReady', onBridgeReady);
          }
        } else {
          onBridgeReady();
        }
      }
    };

    const onBridgeReady = () => {
      const payInfo = state.payInfo;
      // let orderNo = state.orderNo
      (window as any).WeixinJSBridge.invoke(
        'getBrandWCPayRequest',
        {
          appId: payInfo.appId, //公众号名称，由商户传入
          timeStamp: payInfo.timeStamp, //时间戳，自1970年以来的秒数
          nonceStr: payInfo.nonceStr, //随机串
          package: payInfo.package || payInfo.packageValue,
          signType: payInfo.signType, //微信签名方式：
          paySign: payInfo.paySign //微信签名
        },
        (res: any) => {
          // if(res.err_msg == "get_brand_wcpay_request:ok" ){
          // 使用以上方式判断前端返回,微信团队郑重提示：
          //res.err_msg将在用户支付成功后返回ok，但并不保证它绝对可靠。
          // } else
          if (
            res.err_msg == 'get_brand_wcpay_request:cancel' ||
            res.err_msg == 'get_brand_wcpay_request:fail'
          ) {
            window.location.replace(
              location.origin +
                '/classroom-app/#/payment-result?orderNo=' +
                state.orderNo
            );
          } else {
            // 使用以上方式判断前端返回,微信团队郑重提示：
            //res.err_msg将在用户支付成功后返回ok，但并不保证它绝对可靠。
            // alert('支付成功')
            window.location.replace(
              location.origin +
                '/classroom-app/#/payment-result?orderNo=' +
                state.orderNo
            );
          }
        }
      );
    };

    const getWxPay = () => {
      // 微信公众号支付
      //授权
      const code = getUrlCode();
      if (!code) {
        // goAuth()
        goWechatAuth(state.wxAppId);
      } else {
        state.code = code;
        getPayment();
      }
    };
    // const goAuth = () => {
    //   // 用户授权
    //   const urlNow = encodeURIComponent(window.location.href)
    //   const scope = 'snsapi_base' //snsapi_userinfo   //静默授权 用户无感知
    //   const appid = state.wxAppId || 'wx8654c671631cfade'
    //   const url = `https://open.weixin.qq.com/connect/oauth2/authorize?appid=${appid}&redirect_uri=${urlNow}&response_type=code&scope=${scope}&state=STATE&connect_redirect=1#wechat_redirect`
    //   window.location.replace(url)
    // }

    onMounted(() => {
      init();
    });

    return () => (
      <div class={styles.paywxresult}>
        {state.browserStatus && (
          <>
            <div class={styles.container}>
              <CellGroup border={false}>
                <Cell
                  title={'订单金额'}
                  value={'￥ ' + moneyFormat(state.price)}></Cell>
                <Cell title={'订单信息'} value={state.body}></Cell>
              </CellGroup>
            </div>

            <div class={styles['order-loading']}>
              <p>{state.pay_channel == 'wx_pub' ? '微信支付' : '支付宝支付'}</p>
              <Loading type="spinner" color="#01C1B5" />
            </div>
          </>
        )}

        {!state.browserStatus && (
          <div class={styles['error-text']}>
            {state.errorText && (
              <Icon class={styles['error-icon']} name="warning-o" />
            )}
            {state.errorText}
          </div>
        )}
      </div>
    );
  }
});