passing file parameter through ajax

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harita

passing file parameter through ajax
3 Answer(s) 4 years and 10 months ago
Posted in : Ajax

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August 7, 2008 at 5:19 PM

Hi friend,

file1.jsp

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">

<HTML>

<HEAD>

<TITLE> passing file using jsp and ajax </TITLE>

<script>

function fileParam(){

xmlHttp=GetXmlHttpObject()

if (xmlHttp==null) {

alert ("Browser does not support HTTP Request")

return

}

var filename= document.form.filename.value;

var url="http://localhost:8080/file2.jsp";;

url=url+"?filename="+filename;

xmlHttp.onreadystatechange=stateChanged

xmlHttp.open("GET",url,true)

xmlHttp.send(null)

}

function stateChanged() {

if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") {

var showdata = xmlHttp.responseText;

alert(showdata);

}

}

function GetXmlHttpObject()

{

var xmlHttp=null;

try

{

// Firefox, Opera 8.0+, Safari

xmlHttp=new XMLHttpRequest();

}

catch (e)

{

//Internet Explorer

try

{

xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");

}

catch (e)

{

xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");

}

}

return xmlHttp;

}

</script>

</HEAD>

<BODY>

<br><br>

<center>

<table bgcolor="#efefef">

<tr><td colspan=3 align="center"><b></b></td></tr>

<tr><td colspan=3 align="center"><b> </b></td></tr>

<tr>

<td>

<form name="form">

<fieldset style="width:250px;">

<legend><b>#Form</b></legend>

<table width="250px" border=0 align="center">

<tr><td>File</td><td><input type="file" name="filename"></td></tr>

<tr>

<td colspan=2 align="center">

<input type="button" name="button" value="Button" onclick="fileParam();">

</td>

</tr>

</table>

</fieldset>

</form>

</td>

</tr>

</table>

</center>

</BODY>

</HTML>

August 7, 2008 at 5:21 PM

file2.jsp

<%

String filename = request.getParameter("filename");

out.println(filename);

System.out.println("filename" + filename);

%>

-------------------------------------------------------------------

Read for more information.

http;//www.roseindia.net/jsp/

Thanks.

August 7, 2008 at 6:41 PM

Hi, thanks for sending solution for this.

U have send the code for the server side, in which only file name we are getting.
but how can i download the file by using struts.upload.FormFile.

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