求一个简单点的php上传的类文件，最好详细点

Question

需要用到类吗?????
<?phpvar_dump($_FILES);
?>

Answer 1

http://www.baidu.com/s?wd=php%C9%CF%B4%AB%C0%E0&lm=0&si=&rn=10&ie=gb2312&ct=0&cl=3&f=12

Answer 2

原地址：http://blog.csdn.net/familyX/archive/2008/01/04/2025765.aspx
只支持图片：class uploadPic
    {
        private $imgtype;
        private $mimetype;
        private $path;
        private $error;
        
        public $picname;
        public $picwidth;
        public $picheight;
        //返回函数
        function goback($str)
        {
            echo "<script>alert('".$str."');history.go(-1);</script>";
            exit();
        }
        function check($file)//检查文件类型
        {
            if($_FILES[$file]["name"] == "")
                $this->goback("没有文件要上传");
            $types = array("image/gif","image/jpeg","image/pjpeg","image/png");
            if(!in_array($_FILES[$file]["type"],$types))
                $this->goback("请用jpg/gif/png格式的图片");
            if($_FILES[$file]["size"] > 300000)
                $this->goback('对不起,图片大小不能超过300k,请用photoshop压缩或换一幅小的图片!');
            
            $this->mimetype = $_FILES[$file]["type"];
            $size = getimagesize($_FILES[$file]['tmp_name']);
            $this->picwidth = $size[0];
            $this->height = $size[1];
            $this->path = $_FILES[$file]["tmp_name"];
            $this->error = $_FILES[$file]["error"];
            $this->getType();
        }
        function getType()//返回文件扩展名
        {
            switch($this->mimetype)
            {
                case "image/gif":
                    $this->imgtype = ".gif";
                    break;
                case "image/jpeg":
                    $this->imgtype = ".jpg";
                    break;
                case "image/pjpeg":
                    $this->imgtype = ".jpg";
                    break;
                case "image/png":
                    $this->imgtype = ".png";
                    break;
            }
        }
        function getError()
        {
            switch($this->error)
            {
                case 0:
                    break;
                case 1:
                    $this->goback("文件大小超过限制，请缩小后再上传");
                    break;
                case 2:
                    $this->goback("文件大小超过限制，请缩小后再上传");
                    break;
                case 3:
                    $this->goback("文件上传过程中出错，请稍后再上传");
                    break;
                case 4:
                    $this->goback("文件上传失败，请重新上传");
                    break;
            }
        }
        function upfile($path,$file)
        {
            $this->check($file);
            //$this->goback($this->mimetype);
            $this->picname = date('YmdHis').rand(0,9);
            $this->getError();
            move_uploaded_file($this->path,$path.$this->picname.$this->imgtype);
            
            $this->picname = $this->picname.$this->imgtype;
        }
    }
    
    $pic = new uploadPic;
    $pic->upfile("uploadpics/","compic");//第一个参数是要保存在服务器上的路径，第二个参数是上传控件的名字
    $compicname = $pic->picname;//上传后的图片名字，

Answer 3

图片上传,数据添加功能
upload_url---->存放上传文件的网络地址
upload_dir---->存放上传文件目录
一些关于其他功能的信息可以不用看，你主要看上传功能代码就行了
**************************************************************/
            $MAX_SIZE="500000";            //限制上传文件大小
            $FILE_MIMES=array('image/jpeg','image/jpg','image/gif','image/png','image/pjpeg','applicatio/msword');
            $FILE_POSTFIX=array('.zip','.jpg','.gif','bmp');
            $site_name=$_SERVER['HTTP_HOST'];
            $site_url="http://".$site_name.dirname($_SERVER['PHP_SELF']);
            $site_this="http://".$site_name.$_SERVER['PHP_SELF'];
            $visibility=true;         //如果是完全可见，可选区用true，否则是false.
            if ($visibility)
            {
                $upload_dir = "images/upload/public/";   //文件上传至public文件夹（完全可见区）
            }
            else
            {
                $upload_dir = "images/upload/private/"; //文件上传到private文件夹（指定用户可见区）
            }
            $upload_url = $site_url."/".$upload_dir;           
            if (!is_dir($upload_dir))
            {
                if (!mkdir($upload_dir))
                    die('文件没有创建成功！');
            }
            if ($_FILES['GoodsPhoto'])
            {   
                if ($_FILES['GoodsPhoto']['size']==0)
                {
                    echo "<script language='JavaScript'>location.href='shop.php';alert('必须输入项不能为空！');</script>";
                }
                $file_name=$_FILES['GoodsPhoto']['name']; //提取当前上传文件名
                $file_type=$_FILES['GoodsPhoto']['type']; //提取当前上传文件类型
                $file_postfix=substr($file_name,strrpos($file_name,"."));   //提取当前上传文件扩展名
                if ($_FILES['GoodsPhoto']['size'] >=$MAX_SIZE)
                {
                    echo "<script language='JavaScript'>location.href='shop.php';alert('图片太大了，换个小点的吧！');</script>";
                }
                elseif (!in_array($file_type,$FILE_MIMES) && ! in_array($file_postfix,$FILE_POSTFIX))
                {
                    echo "<script language='JavaScript'>location.href='shop.php';alert('上传文件不符合规定，请重新选择上传文件！');</script>";
                }
                else
                {
                    else
                    {
                        do_upload($upload_dir,$upload_url);
                    }
                }
            }
            function do_upload($upload_dir,$upload_url)
            {
                $temp_name=trim($_FILES['GoodsPhoto']['tmp_name']);
                $file_name=$_FILES['GoodsPhoto']['name'];
                $file_name=str_replace("\\","",$file_name);
                $file_name=str_replace("","",$file_name);
                $file_path=$upload_dir.$file_name;       
                if ($file_name='')
                {
                    echo "文件名无效！";
                    exit;
                }               
                if ($result=move_uploaded_file($temp_name,$file_path))
                            {                                
                                echo "<script type='text/JavaScript' language='JavaScript'> location.href='shop.php'; alert('您成功的添加了一件新商品！'); </script>";                               
                            }
                else
                            {
                                echo "<script language='JavaScript'>alert('上传失败！');</script>";
                                exit;
                            }
            } 

Answer 4

<?php
/*
类名：upload
功能：实现文件的上传
属性：文件名fileName
属性：临时文件名tmpName
属性：文件名name
属性：上传路径path
方法：构造函数
*/
class  upload{
public $tmpName;
public $name;
public $path;
public function uploaded(){
 //得到文件的后缀名
$arr=explode(".",$this->name);
//的到数组的长度
 $num=count($arr);
//得到最大下标
$exp=$arr[$num-1];
//判断上传文件的类型
$name = $_FILES['file']['name']; 
if (preg_match('/\\.(xls|RAR|PJB)$/i', $name)) { 
    echo ''; 
} 
else { 
    echo '文件类型不符合要求不能上传！';
 exit;
}
//根据时间来命名
$time=date("YmdHis",time()+8*3600);
$names=$time.".".$exp;
$newPath=$this->path.$time.".".$exp;
//判断是不是用POST传过来的值
if(is_uploaded_file($this->tmpName)){
//判断是否上传到指定文件夹
if(move_uploaded_file($this->tmpName,$newPath)){
//返回文件名
    return $names;
}
    else
        {echo "";}
}
else
{echo "";}
}
}
?>不知道对你有没有用`````

Answer 5

up up 接分 接分接分

Answer 6

<html><link href="admin_style.css" rel="stylesheet" type="text/css">
<?php
  require_once "check_login.php";
//这里上传 $upsize判断上传文件的大小
$uppath=isset($_REQUEST["upPath"])?$_REQUEST["upPath"]:"/uploadfile/"; //文件上传路径
$formName=isset($_REQUEST["formName"])?$_REQUEST["formName"]:"form"; //回传到上页面编辑框所在Form的Name
$editName=isset($_REQUEST["editName"])?$_REQUEST["editName"]:"pic"; //回传到上页面编辑框的Name
$ctime=date('Ym');
//转换根目录的路径
if(strpos($uppath,"/")==0) {
$i=0;
$thpath=$_SERVER["SCRIPT_NAME"];
$thpath=substr($thpath,1,strlen($thpath));
while(strripos($thpath,"/")!==false){
$thpath=substr($thpath,strpos($thpath,"/")+1,strlen($thpath));
$i=++$i;
}$pp="";
for($j=0;$j<$i;++$j){ 
$pp .="../";
} $uppaths=$pp.substr($uppath,1,strlen($thpath));
}
 $filename=date("y-m");
  if(is_dir($uppaths)!=TRUE) mkdir($uppaths,0777);//mkdir 创建文件目
if(is_dir($uppaths.$filename)!=TRUE) mkdir($uppaths.$filename,0777);//mkdir 创建文件目录
//if(is_dir($filename."/".$ctime)!=TRUE) mkdir($filename."/".$ctime,0777);
 
$f = $_FILES['file2'];
if($f["size"]/1024>800) {
echo "<script>alert('只能上传小于800k的文件,当前文件的大小为：".intval($f["size"]/1024)."K');window.close()</script>";
    return false;
 }if($f["type"]!="image/gif" && $f["type"]!="image/pjpeg" && $f["type"]!="image/x-png" )
{
echo "<script>alert('只能上传图片格式的文件');window.close()</script>";
//echo $f['type'];
     return false;
}
$dest = $uppaths.$filename."/".date("ymd")."_".$f['name'];//设置文件名为日期加上文件名避免重复 上传目录
$dest1 = $uppath.$filename."/".date("ymd")."_".$f['name'];//设置文件名为日期加上文件名避免重复
$r = move_uploaded_file($f['tmp_name'],$dest);
if($f['size']>0){ echo  "<script>window.opener.document.".$formName.".".$editName.".value='".$dest1."'</script>";
?>
<style type="text/css">
<!--
.STYLE1 {color: #FF0000}
-->
</style>
<body>
<table width=100% border=0  height="100%"align=center class=border>
  <tr>
    <td class=title align=center height="30"> <script>alert('上传成功！');</script></td>
  </tr>
  
  <!-- <tr>
    <td class=tdbg align=center>文件上传成功!请不要修改生成的链接地址！<br />
      图片的路径是：<span class="STYLE1"> <?php echo $dest1;?></span></td>
  </tr> -->
 <!--  <tr>
    <td class=tdbg align=center height="30"><a href='javascript:window.close()'>关闭该页</a></td>
  </tr> -->
</table>
<?php
}?>
<?php
   require_once '../include/common.inc.php';
  $action=isset($action)?$action:'';
   if($action=="update")
   {
    $sql="update ycyluser set image='$dest' where truename='$username'";
    //echo $sql;
    mysql_query($sql) or die("无法插入数据");
    echo "成功";
   }
header("refresh:0;url=http://ycyl.com/index.php");//跳转到主页面页面.
?>
</body></html>

Answer 7

<? 
if($_POST['submit']=="提交") 
{ //print_r($_FILES); 
copy($_FILES['imgfile']['tmp_name'],$_FILES['imgfile']['name']); 
} 
?> 
<form action="" method="post" enctype="multipart/form-data"> 
<input name="imgfile" type="file" /> 
<input name="submit" type="submit" value="提交" /> 
</form>
我用得是这个

Answer 8

象gmail和163等邮箱哪里效果的附件功能，有吗？