jwl-applet/src/jtools/pay/index.js

import request from '../request/index.js';
// #ifdef H5
import wxsdk from '@/jtools/wechat/sdk'
// #endif
import wechat from '@/jtools/wechat/wechat'
import $platform from '@/jtools/platform';

/**
 * 支付
 * 
 * @param {String} payment = ['wechat','alipay','wallet']  	- 支付方式
 * @param {Object} order = {}  								- 订单详情
 * @param {String} orderType = ['goods','recharge'] 		- 订单类型
 */

export default class JtoolsPay {


  //						wxOfficialAccount			wxMiniProgram			App						H5
  // 			wechat			公众号JSSDK支付				小程序支付			微信开放平台支付			H5网页支付
  //			alipay			复制网址						复制网址				支付宝开放平台支付		    直接跳转链接
  // 			wallet			v							v					v						v


  constructor(payment, order, orderType) {
    this.payment = payment;
    this.order = order;
    this.orderType = orderType;
    this.platform = $platform.get();
    let payMehod = this.getPayMethod();
    payMehod();

  }

  getPayMethod() {
    var payMethod = {
      'wxMiniProgram': {
        'wechat': () => {
          this.wxMiniProgramPay()
        },
      },
      'App': {
        'wechat': () => {
          this.wechatPay()
        },
        'alipay': () => {
          this.aliPay()
        },
      },
    }
    return payMethod[this.platform][this.payment];
  }



  // 预支付
  prepay() {
    let that = this;
    return new Promise((resolve, reject) => {
      const p = $platform.device()
      const tradeInfoType = p == 'android' ? 'Android' : p == 'ios' ? 'iOS' : 'Wap'
      let params = {
        orderId: this.order.orderId,
        orderPayType: this.order.orderPayType,
        money: this.order.money,
        microServiceName: this.order.microServiceName,
        prepayParamUrl: this.order.prepayParamUrl,
        paymentType: 'weChatPay',
        payType: 'JSAPI',
        tradeInfoType: tradeInfoType,
        tenantId: '-1',
        clientType: 'miniWx'
      }
      if (uni.getStorageSync('openId')) {
        params.openId = uni.getStorageSync('openId');
      }
      request({
       url: 'driver-api/applet/pay/prepay',
       method: 'POST',
       param,
      }).then(res => {
				if (res.code == 'SUCCESS') {
					resolve(res);
				}
			})
    });
  }


  // 微信小程序支付
  async wxMiniProgramPay() {
    let that = this;
    let result = await this.prepay();
    const params = result.data.jsApiResult
    uni.requestPayment({
      provider: 'wxpay',
      ...{
        appId: params.appId, //公众号名称，由商户传入
        timeStamp: params.timestamp, //时间戳，自1970年以来的秒数
        nonceStr: params.nonceStr, //随机串
        package: `prepay_id=${params.prepay_id}`,
        signType: params.signType, //微信签名方式：
        paySign: params.paySign, //微信签名
      },
      success: res => {
        that.payResult('success', result.data.orderPayNo)
      },
      fail: err => {
        console.log('支付取消或者失败:', err);
        err.errMsg !== "requestPayment:fail cancel" && that.payResult('fail')
      }
    });
  }



  // 支付宝支付
  async aliPay() {
    let that = this;
    let result = await this.prepay();
    if (result.code === 1) {
      uni.requestPayment({
        provider: 'alipay',
        orderInfo: result.data.pay_data, //支付宝订单数据
        success: res => {
          that.payResult('success')
        },
        fail: err => {
          console.log('支付取消或者失败:', err);
          err.errMsg !== "requestPayment:fail cancel" && that.payResult('fail')
        }
      });
    }
  }

  // 微信支付
  async wechatPay() {
    let that = this;
    let result = await this.prepay();
    if (result.code === 1) {
      uni.requestPayment({
        provider: 'wxpay',
        orderInfo: JSON.parse(result.data.pay_data), //微信订单数据(官方说是string。实测为object)
        success: res => {
          that.payResult('success')
        },
        fail: err => {
          err.errMsg !== "requestPayment:fail cancel" && that.payResult('fail')
          console.log('支付取消或者失败:', err);
        }
      });
    }
  }


  // 支付结果跳转,success:成功，fail:失败
  payResult(resultType, orderPayNo) {
    const that = this;
    let path = ''
		uni.navigateTo({
			url:path
		})
  }

}