#鸿蒙通关秘籍#如何使用HarmonyOS的detectBarcode模块进行图片识别？

要在HarmonyOS中使用detectBarcode模块识别图片，请按照以下步骤操作：

1. 确保引入必要的模块：

import { scanCore, scanBarcode, detectBarcode } from '@kit.ScanKit';
import { picker } from '@kit.CoreFileKit';
import { hilog } from '@kit.PerformanceAnalysisKit';

2. 拉起photoPicker选择图片：

let photoOption = new picker.PhotoSelectOptions();
photoOption.MIMEType = picker.PhotoViewMIMETypes.IMAGE_TYPE;
photoOption.maxSelectNumber = 1;
let photoPicker = new picker.PhotoViewPicker();
photoPicker.select(photoOption).then((result) => {
  let inputImage = { uri: result.photoUris[0] };
  detectBarcode.decode(inputImage, options).then((scanResults) => {
    hilog.info(0x0001, '[Scan Sample]', `识别成功, 结果: ${JSON.stringify(scanResults)}`);
  }).catch((error) => {
    hilog.error(0x0001, '[Scan Sample]', `识别失败. 错误代码: ${error.code}, 错误信息: ${error.message}`);
  });
});

3. 定义识码参数：

let options = { scanTypes: [scanCore.ScanType.ALL], enableMultiMode: true, enableAlbum: true };