如何解决APP缓存无法彻底清除问题 #鸿蒙场景化案例#

let paths:Array<string> = []
let moduleContext: common.Context;
let context = getContext()
moduleContext = await application.createModuleContext(getContext(), 'entry');
console.log('111moduleContext + el2: ' + moduleContext.cacheDir); //data/storage/el2/base/cache
console.log('111UIAbilityContext + el2: ' + context.cacheDir); ///data/storage/el2/base/haps/entry/cache
paths.push(moduleContext.cacheDir)
paths.push(context.cacheDir)
moduleContext.area = contextConstant.AreaMode.EL1;
console.log('111moduleContext + el1: ' + moduleContext.cacheDir); ///data/storage/el1/base/cache
context.area = contextConstant.AreaMode.EL1;
console.log('111UIAbilityContext + el1: ' + context.cacheDir) ///data/storage/el1/base/haps/entry/cache
paths.push(moduleContext.cacheDir)
paths.push(context.cacheDir)

for (let i = 0; i < paths.length; i++) {
  let path = paths[i]
  fileIo.listFile(path).then((filenames) => {
    for (let i = 0; i < filenames.length; i++) {
      let dirPath = path + '/' + filenames[i];
      console.log(dirPath);
      // 判断是否为文件夹
      let isDirectory: boolean = false;
      try {
        isDirectory = fileIo.statSync(dirPath).isDirectory();
      } catch (e) {
        console.error(JSON.stringify(e));
      }

      if (isDirectory) {
        fileIo.rmdirSync(dirPath);
      } else {
        fileIo.unlink(dirPath).then(() => {
          console.info('remove file succeed');
        }).catch((err: Error) => {
          console.error('remove file failed with error message: ' + err.message);
        });
      }
    }

  })
}