#鸿蒙学习大百科#如何在本地查询没有就创建文件？

let applicationContext = this.context.getApplicationContext();
let cacheDir = applicationContext.cacheDir;
let filePath = cacheDir + "/test1.txt"
fs.open(filePath,fs.OpenMode.CREATE).then((file:fs.File)=>{
 //创建成功
}).catch((err: BusinessError) => {
  console.error("get file info failed with error message: " + err.message + ", error code: " + err.code);
});