复制沙箱路径

 console.log("文件路径")
 console.log(this.files[0].toString())
 let path = this.files[0].toString()
 const resFile = fileIo.openSync(path, fileIo.OpenMode.READ_ONLY)
 let newPath = getContext(this).cacheDir + "/" + resFile.name;
 fileIo.copyFileSync(resFile.fd, newPath)
 let realUri = "internal://cache/" + resFile.name;
 console.log("沙箱路径1："+realUri)
 console.log("沙箱路径2："+newPath)