JS file operation

JS file operation (ActiveXObject only support IE)

I. Parameter interpretation:

1. FileName:

FileName//file path

2.iomode:

var forreading=1; read-only
var forwriting =2;//Write
var forappending=8;//append

3.create:

true//Create:

false//not created

4.format:

var tristatefalse=0;//opens in ASCII format (default)

VA tristatetrue=-1;//Open in Unicode format

VA tristateusedefault=-2;//opens in system default mode

Two. Write:

1 // Write a file 2 function WriteFile (fileurl,json) {3varnew ActiveXObject ("  Scripting.FileSystemObject"); 4 var ts = fso. CreateTextFile (FILEURL, ForWriting,true); 5 ts. Write (JSON); 6 ts. Close (); 7 }

Three. READ:

1 //Read the file2 functionReadFile (FILEURL) {3 varFSO =NewActiveXObject ("Scripting.FileSystemObject");4 varTS = fso. OpenTextFile (Fileurl,forreading,true);5 varjson=ts. ReadAll ();6 ts. Close ();7 returnJSON;8}

JS file operation