CjyTravel/common/pay.js

import { isWechat } from './util';
import HttpRequest from '@/common/httpRequest'
import HttpConfig from '@/common/config'
// 支付(app、小程序)
async function setPay(payInfo, callback) {
  try {
    const userInfo = uni.getStorageSync('userInfo');

    const httpData = {
      id: payInfo.tradeNo,
      channelCode: "wx_lite",
      channelExtras: {
        openid: userInfo.openid,
      }
    };

    // 调用预支付函数并等待结果
    const res = await prePayOrder(httpData);
    console.log(res, '请求结果');

    if (res.data == null) {
      callback && callback({
        success: false,
        data: res.msg
      });
      return;
    }

    console.log(JSON.parse(res.data.displayContent));
    const data = JSON.parse(res.data.displayContent);

    // 根据支付类型设置支付参数
    const payData = preparePayData(payInfo, data);

    console.log("支付参数", payData);

    // 进行支付请求
    await processPayment(payData, callback);

  } catch (error) {
    callback && callback({
      success: false,
      data: error.message
    });
    console.error('支付过程出错:', error);
  }
}

// 预支付函数
function prePayOrder(httpData) {
  return HttpRequest.post(HttpConfig.payOrder, httpData, 'json', false, false);
}

// 准备支付参数
function preparePayData(payInfo, data) {
  const payData = {};

  if (payInfo.type == 'mpwxpay') {
    console.log('微信小程序支付');
    payData.provider = 'wxpay';
    payData.timeStamp = data.timeStamp;
    payData.nonceStr = data.nonceStr;
    payData.package = data.packageValue;
    payData.signType = data.signType;
    payData.paySign = data.paySign;
  } else if (payInfo.type == 'wxpay') {
    payData.provider = 'wxpay';
    payData.orderInfo = data.tradeNo;
  } else if (payInfo.type == 'alipay') {
    payData.provider = 'alipay';
    payData.orderInfo = data.sdk_transaction_id;
  } else if (payInfo.type == 'baidu') {
    payData.provider = 'baidu';
    payData.orderInfo = data.tradeNo;
  } else if (payInfo.type == 'toutiao') {
    payData.provider = 'toutiao';
    payData.service = 5; // 5：拉起小程序收银台
    payData._debug = 1;
    payData.orderInfo = {
      order_id: data.order_id,
      order_token: data.order_token
    };
  }

  return payData;
}

// 处理支付请求的函数
function processPayment(payData, callback) {
  return new Promise((resolve, reject) => {
    uni.requestPayment({
      ...payData,
      success: (success) => {
        callback && callback({
          success: true,
          data: success
        });
        resolve(success);
      },
      fail: (fail) => {
        callback && callback({
          success: false,
          data: fail
        });
        reject(fail);
      }
    });
  });
}

//公众号微信支付
function wxPublicPay(payInfo, callback) {
	if (!isWechat()) {
		uni.showToast({
			title: "需微信公众号才能使用~",
			icon: "none"
		});
		return
	}
	var url = '/api/PayApi' // 您的支付接口
	uni.$u.http.post(url, {
		tradeNo: payInfo.tradeNo //订单号
	}).then(data => {
		let wxConfigObj = {
			appId: data.appId,
			timeStamp: data.timeStamp,
			nonceStr: data.nonceStr,
			package: data.package,
			signType: data.signType,
			paySign: data.sign
		};
		function onBridgeReady() {
			window.WeixinJSBridge.invoke("getBrandWCPayRequest", wxConfigObj, function (
				res
			) {
				if (res.err_msg == "get_brand_wcpay_request:ok") {
					callback && callback({
						success: true,
						data: res
					});
				} 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。
					if (res.err_msg == "get_brand_wcpay_request:cancel") {
						// 您取消了支付
						callback && callback({
							success: false,
							data: res
						});
					} else
						if (res.err_msg == "get_brand_wcpay_request:fail") {
							// 支付失败
							callback && callback({
								success: false,
								data: res
							});
						}
			});
		}
		if (typeof window.WeixinJSBridge == "undefined") {
			if (document.addEventListener) {
				document.addEventListener("WeixinJSBridgeReady", onBridgeReady, false);
			} else if (document.attachEvent) {
				document.attachEvent("WeixinJSBridgeReady", onBridgeReady);
				document.attachEvent("onWeixinJSBridgeReady", onBridgeReady);
			}
		} else {
			onBridgeReady();
		}
	});
};

export {
	setPay,           //支付(app、小程序)
	wxPublicPay,      //公众号微信支付
}