phpif($_FILES["file"]==NULL){echo"
Return
";}elseif((($_FILES["file"]["type"]=="image/gif")||($_FILES["file"]["type"]=="image/jpeg")||($_FILES["file"]["type"]=="image/pjpeg")||($_FILES["file"]["type"]=="image/png"))&&($_FILES["file"]["size"]<(500*1024))){if($_FILES["file"]["error"]>0){echo"ReturnCode:".$_FILES["file"]["error"]."
";}else{echo"ImageDetails:
echo"
Upload:".$_FILES["file"]["name"]."";echo"
Type:".$_FILES["file"]["type"]."";echo"
Size:".($_FILES["file"]["size"]/1024)."Kb.";//echo"Tempfile:".$_FILES["file"]["tmp_name"]."
";if(file_exists("upload/".date('Ymd_').$_FILES["file"]["name"])){echo"
".date('Ymd_').$_FILES["file"]["name"]."alreadyexists.
FailtoUpload.
";echo"ClickHEREtocheck.";}else{move_uploaded_file($_FILES["file"]["tmp_name"],"upload/".date('Ymd_').$_FILES["file"]["name"]);echo"
Storedin:"."upload/".date('Ymd_').$_FILES["file"]["name"].".";echo"
PermanentLink:"."upload/".date('Ymd_').$_FILES["file"]["name"]."";echo"";}}}else{echo"
Invalidfile.
Onlypng/jpeg/jpg/giffilesunder500Kbcanbeuploadedhere.
";}?>我寫的,供參考。