#鸿蒙通关秘籍#我好奇，适配过程中，如何避免应用数据的冲突？

let filePath = pathDir + "/test.txt"
try {
let res = FileFs.access(filePath)
if (res) { // 判断数据是否合法
Hilog.info(0, "FileFs", "file exists")
} else {
Hilog.info(0, "FileFs", "file not exists")
}
} catch(err: Exception) {
Hilog.error(0, "FileFs", "access failed with error message: " + err.message)
}