【www.bbyears.com--php常用代码】
可以批量进行添加上传，简单方便
代码如下<script type="text/javascript" src="jquery-1.5.1.min.js"></script>
<script type="text/javascript" >
jQuery.extend({
createUploadIframe: function(id, uri)
{
//create frame
var frameId = "jUploadFrame" + id;
var iframeHtml = "<iframe id="" + frameId + "" name="" + frameId + "" style="position:absolute; top:-9999px; left:-9999px"";
{
if(typeof uri== "boolean"){
iframeHtml += " src="" + "javascript：false" + """;
}
else if(typeof uri== "string"){
iframeHtml += " src="" + uri + """;
}
}
iframeHtml += " />";
jQuery(iframeHtml).appendTo(document.body);
return jQuery("#" + frameId).get(0);
},
createUploadForm: function(id, fileElementId, data)
{
//create form
var formId = "jUploadForm" + id;
var fileId = "jUploadFile" + id;
var form = jQuery("
if(data)
{
for(var i in data)
{
jQuery("").appendTo(form);
}
}
var oldElement = jQuery("#" + fileElementId);
var newElement = jQuery(oldElement).clone();
jQuery(oldElement).attr("id", fileId);
jQuery(oldElement).before(newElement);
jQuery(oldElement).appendTo(form);
//set attributes
jQuery(form).css("position", "absolute");
jQuery(form).css("top", "-1200px");
jQuery(form).css("left", "-1200px");
jQuery(form).appendTo("body");
return form;
},
ajaxFileUpload: function(s) {
// TODO introduce global settings, allowing the client to modify them for all requests, not only timeout
s = jQuery.extend({}, jQuery.ajaxSettings, s);
var id = new Date().getTime()
var form = jQuery.createUploadForm(id, s.fileElementId, (typeof(s.data)=="undefined"?false:s.data));
var io = jQuery.createUploadIframe(id, s.secureuri);
var frameId = "jUploadFrame" + id;
var formId = "jUploadForm" + id;
// Watch for a new set of requests
if ( s.global && ! jQuery.active++ )
{
jQuery.event.trigger( "ajaxStart" );
}
var requestDone = false;
// Create the request object
var xml = {}
if ( s.global )
jQuery.event.trigger("ajaxSend", [xml, s]);
// Wait for a response to come back
var uploadCallback = function(isTimeout)
{
var io = document.getElementById(frameId);
try
{
if(io.contentWindow)
{
xml.responseText = io.contentWindow.document.body?io.contentWindow.document.body.innerHTML:null;
xml.responseXML = io.contentWindow.document.XMLDocument?io.contentWindow.document.XMLDocument:io.contentWindow.document;
}else if(io.contentDocument)
{
xml.responseText = io.contentDocument.document.body?io.contentDocument.document.body.innerHTML:null;
xml.responseXML = io.contentDocument.document.XMLDocument?io.contentDocument.document.XMLDocument:io.contentDocument.document;
}
}catch(e)
{
jQuery.handleError(s, xml, null, e);
}
if ( xml || isTimeout == "timeout")
{
requestDone = true;
var status;
try {
status = isTimeout != "timeout" ? "success" : "error";
// Make sure that the request was successful or notmodified
if ( status != "error" )
{
// process the data (runs the xml through httpData regardless of callback)
var data = jQuery.uploadHttpData( xml, s.dataType );
// If a local callback was specified, fire it and pass it the data
if ( s.success )
s.success( data, status );
// Fire the global callback
if( s.global )
jQuery.event.trigger( "ajaxSuccess", [xml, s] );
} else
jQuery.handleError(s, xml, status);
} catch(e)
{
status = "error";
jQuery.handleError(s, xml, status, e);
}
// The request was completed
if( s.global )
jQuery.event.trigger( "ajaxComplete", [xml, s] );
// Handle the global AJAX counter
if ( s.global && ! --jQuery.active )
jQuery.event.trigger( "ajaxStop" );
// Process result
if ( s.complete )
s.complete(xml, status);
jQuery(io).unbind()
setTimeout(function()
{ try
{
jQuery(io).remove();
jQuery(form).remove();
} catch(e)
{
jQuery.handleError(s, xml, null, e);
}
}, 100)
xml = null
}
}
// Timeout checker
if ( s.timeout > 0 )
{
setTimeout(function(){
// Check to see if the request is still happening
if( !requestDone ) uploadCallback( "timeout" );
}, s.timeout);
}
try
{
var form = jQuery("#" + formId);
jQuery(form).attr("action", s.url);
jQuery(form).attr("method", "POST");
jQuery(form).attr("target", frameId);
if(form.encoding)
{
jQuery(form).attr("encoding", "multipart/form-data");
}
else
{
jQuery(form).attr("enctype", "multipart/form-data");
}
jQuery(form).submit();
} catch(e)
{
jQuery.handleError(s, xml, null, e);
}
jQuery("#" + frameId).load(uploadCallback );
return {abort: function () {}};
},
uploadHttpData: function( r, type ) {
var data = !type;
data = type == "xml" || data ? r.responseXML : r.responseText;
// If the type is "script", eval it in global context
if ( type == "script" )
jQuery.globalEval( data );
// Get the JavaScript object, if JSON is used.
if ( type == "json" )
eval( "data = " + data );
// evaluate scripts within html
if ( type == "html" )
jQuery("").html(data).evalScripts();
return data;
}
})
</script>
<script type="text/javascript">
var str = "";
function ajaxFileUpload(){
$("#msg")
.ajaxStart(function(){
$(this).show();
});
/*
.ajaxComplete(function(){
$(this).hide();
});
*/
$.ajaxFileUpload(
{
url:"up_deal.php",
secureuri:false,
fileElementId:"file1",
dataType: "text",
//data:{name:"qinmi", id:"123"},
success: function(data){
if(data=="error"){
$("#msg").html("上传失败");
}else{
$("#msg").html("上传成功");
str += data+"@";
$("#fname").val(str);
}
}
}
);
return false;
}
</script>
up_deal.php
if ((($_FILES["file1"]["type"] == "image/gif")
|| ($_FILES["file1"]["type"] == "image/jpeg")
|| ($_FILES["file1"]["type"] == "image/bmp")
|| ($_FILES["file1"]["type"] == "image/pjpeg"))
&& ($_FILES["file1"]["size"] < 100000)){//100KB
$extend = explode(".",$_FILES["file1"]["name"]);
$key = count($extend)-1;
$ext = ".".$extend[$key];
$newfile = time().$ext;
if(!file_exists("upload")){mkdir("upload");}
move_uploaded_file($_FILES["file1"]["tmp_name"],"upload/" . $newfile);
@unlink($_FILES["file1"]);
echo $newfile;
}else {
echo "error";
}
?>