파일 전송 전에 파일 사이즈 체크하기

JJun ™ 2006. 4. 29. 08:23

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>Untitled Document</title>
<meta http-ｅquiv="Content-Type" content="text/html; charset=euc-kr">
<script language="javascript" type="text/javascript">
function getFileSize (fileName) {
  if (document.layers) {
    if (navigator.javaEnabled()) {
      var file = new java.io.File(fileName);
      if (location.protocol.toLowerCase() != 'file:') {
        netscape.security.PrivilegeManager.enablePrivilege('UniversalFileRead');
   }
      return file.length();
    } else {
   return -1;
  }
  }
  else if (document.all) {
    window.oldOnError = window.onerror;
    window.onerror = function (err) {
      if (err.indexOf('utomation') != -1) {
        alert('file access not possible');
        return true;
      } else {
        return false;
   }
    }
    var fso = new ActiveXObject('Scripting.FileSystemObject');
    var file = fso.GetFile(fileName);
    window.onerror = window.oldOnError;
    return file.Size;
  }
}

function valiate(form) {
var size;
size = getFileSize(form.file.value);
alert ("File Size is : " + size);
}
</script>

</head>

<body>
<form action="" method="post" enctype="multipart/form-data" name="form1" onSubmit="valiate(this)">
  <input type="file" name="file">
  <input type="submit" name="Submit" value="Submit">
</form>
</body>
</html>

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