52 lines
1.6 KiB
TypeScript
52 lines
1.6 KiB
TypeScript
import { getRuntimePlatform } from './env';
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import { ensureJssdkReady } from './jssdk';
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import type { WeixinSdkConfig } from './types';
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/** 调起扫码（返回二维码/条码内容，失败返回 null） */
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export async function scanQrCode(config: WeixinSdkConfig): Promise<string | null> {
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const platform = getRuntimePlatform();
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if (platform === 'mini' && window.wx?.scanCode) {
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return new Promise((resolve) => {
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window.wx!.scanCode!({
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onlyFromCamera: true,
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scanType: ['qrCode', 'barCode'],
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success: (res) => resolve(res.result || null),
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fail: () => resolve(null),
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});
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});
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}
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if (platform === 'wechat-h5') {
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await ensureJssdkReady({
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apiBase: config.apiBase ?? '/api/v1',
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clientApp: config.clientApp,
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getAccessToken: config.getAccessToken,
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});
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if (!window.wx?.scanQRCode) {
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throw new Error('当前微信版本不支持扫码，请升级微信后重试');
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}
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return new Promise((resolve, reject) => {
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window.wx!.scanQRCode!({
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needResult: 1,
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scanType: ['qrCode', 'barCode'],
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success: (res) => resolve(res.resultStr || null),
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fail: (res) => {
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const msg = res.errMsg || '扫码失败';
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if (/cancel/i.test(msg)) {
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resolve(null);
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return;
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}
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if (/permission|auth|denied|授权|拒绝|camera/i.test(msg)) {
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reject(new Error('相机权限未开启，请在微信设置中允许使用摄像头'));
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return;
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}
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reject(new Error(msg));
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},
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});
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});
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}
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throw new Error('请在微信内打开以使用扫码核销');
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}
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