67 lines
1.5 KiB
JavaScript
67 lines
1.5 KiB
JavaScript
// utils/wxsdk.js —— 封装微信扫一扫
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import jweixin from 'jweixin-module'
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import { wechatApi } from '@/api/index.js'
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/**
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* 初始化微信 JS-SDK
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*/
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export async function initWxConfig() {
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// iOS 微信 SPA 需用首次进入的 URL 签名
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const url = window.location.href.split('#')[0]
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try {
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// 调用后端接口获取签名
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const data = await wechatApi.getJssdkConfig(url)
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const { app_id, timestamp, nonce_str, signature } = data
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return new Promise((resolve, reject) => {
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jweixin.config({
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debug: true,
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appId: app_id,
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timestamp: timestamp,
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nonceStr: nonce_str,
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signature: signature,
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jsApiList: ['scanQRCode']
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})
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jweixin.ready(() => {
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console.log('微信 SDK 就绪')
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resolve()
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})
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jweixin.error((err) => {
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console.error('wx.config 失败', err)
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reject(err)
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})
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})
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} catch (e) {
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console.error('获取微信签名失败', e)
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throw e
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}
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}
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/**
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* 调起微信扫一扫
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* @returns {Promise<string>} 扫码结果字符串
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*/
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export function wxScan() {
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return new Promise((resolve, reject) => {
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jweixin.scanQRCode({
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needResult: 1, // 1 = 返回结果给开发者
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scanType: ['qrCode', 'barCode'], // 同时支持二维码和条形码
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success(res) {
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console.log('扫码成功:', res)
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resolve(res.resultStr)
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},
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fail(err) {
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console.error('扫码失败:', err)
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reject(err)
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}
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})
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})
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}
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/**
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* 检查是否在微信环境中
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*/
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export function isInWechat() {
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return /micromessenger/i.test(navigator.userAgent)
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} |