php jquery 多文件上传简单实例

//If directory doesnot exists create it.
$output_dir = "../upload"; if(isset($_FILES["myfile"]))
{
$ret = array(); $error =$_FILES["myfile"]["error"];
{ if(!is_array($_FILES["myfile"]['name'])) //single file
{
$fileName = $_FILES["myfile"]["name"];
move_uploaded_file($_FILES["myfile"]["tmp_name"],$output_dir. $_FILES["myfile"]["name"]);
//echo "
Error: ".$_FILES["myfile"]["error"]; $ret[$fileName]= $output_dir.$fileName;
}
else
{
$fileCount = count($_FILES["myfile"]['name']);
for($i=0; $i < $fileCount; $i++)
{
$fileName = $_FILES["myfile"]["name"][$i];
$ret[$fileName]= $output_dir.$fileName;
move_uploaded_file($_FILES["myfile"]["tmp_name"][$i],$output_dir.$fileName );
} }
}
echo json_encode($ret); } ?>