#鸿蒙学习大百科#如何修改文件最近访问时间属性？

import { common } from '@kit.AbilityKit';
import fs from '@ohos.file.fs';
@Entry
@Component
struct Index {
  private context = getContext(this) as common.UIAbilityContext;
  build() {
    Row() {
      Column() {
        Text("Hello")
          .fontSize(50)
          .fontWeight(FontWeight.Bold)
          .onClick(() => {
            let applicationContext = this.context.getApplicationContext();
            let cacheDir = applicationContext.cacheDir;
            fs.open(cacheDir+"abc").then((file:fs.File)=>{
              fs.writeSync(file.fd, 'test data');
              fs.closeSync(file);
              //修改最近访问时间
              fs.utimes(file.path, new Date().getTime())
            })

          })
      }
      .width('100%')
    }
    .height('100%')
  }
}