【www.gdgbn.com--php常用代码】

简单php 图片上传代码 php 上传图片代

$zpname=addslashes(isset($_POST["zpname"])?$_POST["zpname"]:"");
$zpurl=isset($_POST["zpurl"])?$_POST["zpurl"]:"";
$zpsay=addslashes(isset($_POST["zpsay"])?$_POST["zpsay"]:"");
$blueidea=isset($_POST["blueidea"])?$_POST["blueidea"]:"";
$up_path="../zp/";
$up_size=100000;
$up_name=md5(date("Y:m:d H:i:s"));
$up_type=$_FILES["file"]["type"];
$up_exten="start:image/gifimage/pjpegimage/x-png";
echo $up_type;
echo(strrpos($up_exten,$up_type));
//exit();
//=$up_wh["mime"];
$up_sava="";
//echo($_FILES["file"]["size"]);
//echo($_FILES["file"]["type"]);
//exit();

if($zpname=="" || $zpname>50){
 echo("<script>alert("作品名称不能为空或大于50个字符!");history.back();</script>");
 exit();
 }
if(!ereg("^(http|https|ftp)\://((([a-zA-Z0-9\-]+\.){1,}[a-zA-Z]{2,4})|(localhost))(:[0-9]+){0,1}(/[a-zA-Z0-9\-\_\,\./\+&%\$#\=~]+)*$",$zpurl)){
 echo("<script>alert("作品地址URL不合法!");history.back();</script>");
 exit();
 }
if($zpsay=="" || $zpsay>500){
 echo("<script>alert("作品简介不能为空或大于500个字符!");history.back();</script>");
 exit();
 }
 if(strrpos($up_exten,"image/x-png")){
  $up_sava=$up_path.$up_name.".png";
 }
 if(strrpos($up_exten,"image/pjpeg")){
  $up_sava=$up_path.$up_name.".jpg";
 }
 if(strrpos($up_exten,"image/gif")){
  $up_sava=$up_path.$up_name.".gif";
 }
 if($up_sava==""){
  echo("<script>alert("对不起,你上传的类型不对,只允许上传 .gif .jpg .png");history.back();</script>");
  exit();
 }
if($_FILES["file"]["size"]>$up_size){
 echo("<script>alert("上传文件不能大于100K");history.back();</script>");
 exit();
}

/*print_r($up_wh["mime"]);
exit();
if($up_wh[0]>300 || $up_wh>400 || $up_wh[0]<93 || $up_wh<63){
 echo("<script>alert("图片宽度93-300之间,高度400-63之间");history.back();</script>");exit();
}
*/
if(move_uploaded_file($_FILES["file"]["tmp_name"],$up_sava)){
  up_insert($zpname,$zpurl,$zpsay,$blueidea,$up_name.".gif");
  echo("<script>alert("上传成功");location="".$_SERVER["HTTP_REFERER"]."";</script>");
 }else{
  echo("<script>alert("未知错误");history.back();</script>");
 }
function up_insert($zpname,$zpurl,$zpsay,$blueidea,$up_filename){
 $up_sava="zp/".$up_filename;
  connect();
 mysql_query($sql) or die("Insert into data fail:".mysql_error());
}
?>

本文来源：http://www.gdgbn.com/jiaocheng/14554/