php文件上傳程序

2024-09-04 11:44:43

字體：大中小

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文章提供一款完整理的php文件上傳程序實例代碼，他可以上傳圖片并且把圖片保存到1:按天存入目錄 2:按月存入目錄 ,還可以設置上傳圖片生成水印.

<!doctype html public "-//w3c//dtd xhtml 1.0 transitional//en" "http://www.w3.org/tr/xhtml1/dtd/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="content-type" content="text/html; charset=gb2312" />

<title>上傳文件程序</title>

<style type="text/css">

*{

font-size:12px;

margin:0; padding:0;

}

a:link,a:visited{

text-decoration:none;

color: #393

}

a:hover{

text-decoration:underline;

color:#0033cc

}

input.text{

border:1px solid #ccc;height:22px;line-height:22px;padding-left:5px;background:#fff;width:274px;

}

input.button{

background:#fff url(images/button.png);border:1px solid #9ea9c5;padding:2px 2px 0px 2px;margin-left:4px; margin-right:4px;

}

</style>

<script language=javascript>

function check()

{

var strfilename=document.myform.upfile.value;

if (strfilename=="")

{

     alert("請選擇要上傳的文件");

  document.myform.upfile.focus();

     return false;

   }

}

</script>

</head>

<body>

<?php

/***********************

程序：上傳文件

功能：上傳文件、縮略圖、加水印

****************************/

include("common/upfiles.class.php");

$path="../upload/coolsite";    //文件上傳路徑

$mix="smallimg";     //縮略圖路徑(在upload下建立)

$mark="markimg";    //加水引的圖片存放路徑(在upload下建立)

$text = array("www.111cn.net");   //水印內容

$oupload= new upfiles($path,$mix,$mark);   //實例化類文件

if(isset($_post['up'])){



if($_post['urlid']=='1'){ //上傳圖片參數urlid 1:上傳圖片  2:上傳其他文件..



  $oupload->tofile = true;  //開啟則只保存縮略圖或者水印圖,刪除原圖

  $photo = $oupload->upload("upfile"); //上傳的文件域

  $photourl = $oupload->fileurl."/".$photo;

  $newsmallimg = $oupload->smallimg($photo);  //縮略圖功能

  //$newmarkimg = $oupload->watermark($photo,$text); //水印功能

  //echo $newsmallimg;  //輸出縮略圖路徑

  //echo $newmark; //輸出水印圖路徑

  //echo "<img src='".$newsmallimg."' border='0'>"; //輸出縮略圖

  //echo "<img src='".$newmark."' border='0'>"; //輸出水印圖

}else{

  $upfilename = $oupload->upload("upfile"); //上傳的文件域

}

$strjs = "<script language=javascript>n";

$strjs .= "parent.document.myform.upfile1.value='".$newsmallimg."'n";

$strjs .= "parent.document.myform.upfile2.value='".$photourl."'n";

$strjs .= "</script>n";

echo $strjs;  //把上次文件路徑附在upfile1、upfile2中去

}else{

?>

<form action="upfile.php" method="post" enctype="multipart/form-data" name="myform" onsubmit="return check()">

<input type="file" name="upfile" value="" class="text"><input type="submit" name="up" value="上傳" class="button">

<input type="hidden" name="urlid" value="<?php echo $_get['urlid']?>">

</form>

<?php }?>

</body>

</html>

<?

//upfiles.class.php

/*=========================

上傳類 upfiles.class.php

===========================*/

class upfiles {

  /*=========================

   //基本參數設置

  ===========================*/

        protected $annexfolder = "upload";  //附件存放點，默認為：upload

  protected $dirtype = 2;   //1:按天存入目錄 2:按月存入目錄

        protected $smallfolder = "smallimg";   //縮略圖存放路徑，注：必須是放在 $upload下的子目錄，默認為：smallimg

        protected $markfolder = "markimg";    //水印圖片存放路徑，注：必須是放在 $upload下的子目錄，默認為：markimg

        protected $upfiletype = "jpg gif png rar zip";   //上傳的類型，默認為：jpg gif png rar zip

        protected $upfilemax = 102400;   //上傳大小限制，單位是"kb"，默認為：1024kb

        protected $fonttype = "common/equinoxstd.otf";   //水印字體庫

        protected $maxwidth = 800;   //圖片最大寬度

        protected $maxheight = 600;  //圖片最大高度



  /*=========================

   //初始化上傳類

  ===========================*/

        public function __construct($annexfolder,$smallfolder,$includefolder) {



    switch($this->dirtype)

    {

     case 1: $attach_subdir = 'day_'.date('ymd'); break;

     case 2: $attach_subdir = 'month_'.date('ym'); break;

    }

    $attach_dir = $annexfolder.'/'.$attach_subdir;

    $attach_dir_small = $attach_dir.'/'.$smallfolder;

    $attach_dir_mark = $attach_dir.'/'.$includefolder;



    $this->rootfolder = $annexfolder;

                $this->annexfolder = $attach_dir;

                $this->smallfolder = $attach_dir_small;

    $this->markfolder = $attach_dir_mark;

                //$this->fonttype = $includefolder."/nasaliza.ttf";

        }

  public function __get($fileurl){

   $fileurl = $this->annexfolder;

   return $fileurl;

  }

  /*=========================

   //上傳文件

  ===========================*/

        public function upload($inputname) {

    //檢查文件夾是否存在

    if(!file_exists($this->annexfolder)){

     if(!file_exists($this->rootfolder)) @mkdir($this->rootfolder);

     if(!file_exists($this->annexfolder)) @mkdir($this->annexfolder);

     if(!file_exists($this->smallfolder)) @mkdir($this->smallfolder);

     if(!file_exists($this->markfolder)) @mkdir($this->markfolder);

    }

    if(!file_exists($this->smallfolder)){

     @mkdir($this->smallfolder);

    }

    if(!file_exists($this->markfolder)){

     @mkdir($this->markfolder);

    }



    $this->uptype = $_files[$inputname]["type"];

    $this->upname = $_files[$inputname]["name"];

    $this->uptmp_name = $_files[$inputname]["tmp_name"];

    $this->upsize = $_files[$inputname]["size"];

    $this->uperror = $_files[$inputname]["error"];

    if($this->uptype){

     switch ($this->uptype)///檢查上傳的類型

     {

      case "image/pjpeg":

       $fileextname = "jpg";

       break;

      case "image/jpeg":

       $fileextname = "jpg";

       break;

      case "image/gif":

       $fileextname = "gif";

       break;

      case "image/x-png":

       $fileextname = "png";

       break;

      case "application/x-shockwave-flash":

       $fileextname = "swf";

       break;

      case "text/plain":

       $fileextname = "txt";

       break;

      case "application/msword":

       $fileextname = "doc";

       break;

      case "application/vnd.ms-excel":

       $fileextname = "xls";

       break;

      case "application/x-zip-compressed":

       $fileextname = "zip";

       break;

      case "audio/mpeg":

       $fileextname = "mp3";

       break;

      case "audio/x-ms-wma":

       $fileextname = "wma";

       break;

      case "application/pdf":

       $fileextname = "pdf";

       break;

      default: //如果不滿足上述類型,那么上傳文件被判斷為格式不正確!!

       //$fileextname  =strtolower(substr(strrchr(trim($this->upname), "."),1,4));

       //$fileinfo=pathinfo($this->upname);

       //$fileextname=$fileinfo['extension'];

       $fileextname = "err";

      }

     }

     if(@emptyempty($this->upname)) die("沒有上傳文件信息，請確認 <a href='javascript：history.go(-1);'>返回</a>");



    //$name = explode(".",$this->upname);//將上傳前的文件以"."分開取得文件類型

                //$filcount = count($name);//獲得截取的數量

                //$filtype = $name[$filcount-1];//取得文件的類型

    $filtype = $fileextname;



    if(strpos($this->upfiletype,$filtype) === false){

     die("上傳文件類型僅支持 ".$this->upfiletype." 不支持 ".$filtype ." <a href='javascript：history.go(-1);'>返回</a>");

    }

    $filsize = $this->upsize;

                if(round($filsize/1024) > ($this->upfilemax*1024)) {

                    die("上傳文件超過 ".$this->upfilemax."kb");

                }

                $filename = "es_".date("ymdhis").".".$filtype;//寫入數據庫的文件名

                $fileurl = $this->annexfolder."/".$filename;//上傳后的文件名稱

                $upfileok = move_uploaded_file($this->uptmp_name,$fileurl);

                if($this->uperror == 0 || $upfileok) {

                    echo "文件上傳成功 <a href='javascript：history.go(-1);'>繼續上傳</a>";

                } else {

                 die("上傳文件失敗，請確認你的上傳文件不超過 $upfilemax kb 或上傳時間超時");

                }

    return $filename;

    //return $fileurl;

        }

        public function getinfo($photo) {

                $photo = $this->annexfolder."/".$photo;

                $imageinfo = getimagesize($photo);

                $imginfo["width"] = $imageinfo[0];

                $imginfo["height"] = $imageinfo[1];

                $imginfo["type"] = $imageinfo[2];

                $imginfo["name"] = basename($photo);

                return $imginfo;

        }

  /*=========================

   //縮略圖

  ===========================*/

        public function smallimg($photo,$width=250,$height=192) {

                $imginfo = $this->getinfo($photo);

                $photo = $this->annexfolder."/".$photo;//獲得圖片源

                $newname = substr($imginfo["name"],0,strrpos($imginfo["name"], "."))."_thumb.jpg";//新圖片名稱

                if($imginfo["type"] == 1) {

                        $img = imagecreatefromgif($photo);

                } elseif($imginfo["type"] == 2) {

                        $img = imagecreatefromjpeg($photo);

                } elseif($imginfo["type"] == 3) {

                        $img = imagecreatefrompng($photo);

                } else {

                        $img = "";

                }

                if(emptyempty($img)) return false;

                $width = ($width > $imginfo["width"]) ? $imginfo["width"] : $width;

                $height = ($height > $imginfo["height"]) ? $imginfo["height"] : $height;

                $srcw = $imginfo["width"];

                $srch = $imginfo["height"];

                if ($srcw * $width > $srch * $height) {

                        $height = round($srch * $width / $srcw);

                } else {

                        $width = round($srcw * $height / $srch);

                }

                if (function_exists("imagecreatetruecolor")) {

                        $newimg = imagecreatetruecolor($width, $height);

                        imagecopyresampled($newimg, $img, 0, 0, 0, 0, $width, $height, $imginfo["width"], $imginfo["height"]);

                } else {

                        $newimg = imagecreate($width, $height);

                        imagecopyresized($newimg, $img, 0, 0, 0, 0, $width, $height, $imginfo["width"], $imginfo["height"]);

                }

                if ($this->tofile) {

                        if (file_exists($this->smallfolder."/".$newname)){

       @unlink($this->smallfolder."/".$newname);

      }

                        imagejpeg($newimg,$this->smallfolder."/".$newname);

                        return $this->smallfolder."/".$newname;

                } else {

                        imagejpeg($newimg);

                }

                imagedestroy($newimg);

                imagedestroy($img);

                return $newname;

        }

  /*=========================

   //加水印

  ===========================*/

        public function watermark($photo,$text) {

                $imginfo = $this->getinfo($photo);

                $photo = $this->annexfolder."/".$photo;

                $newname = substr($imginfo["name"], 0, strrpos($imginfo["name"], ".")) . "_mark.jpg";

    //$newname = substr($imginfo["name"], 0, strrpos($imginfo["name"], ".")) . ".jpg";

                switch ($imginfo["type"]) {

                        case 1:

                                $img = imagecreatefromgif($photo);

                        break;

                        case 2:

                                $img = imagecreatefromjpeg($photo);

                        break;

                        case 3:

                                $img = imagecreatefrompng($photo);

                        break;

                        default:

                                return false;

                }

                if (emptyempty($img)) return false;

                $width = ($this->maxwidth > $imginfo["width"]) ? $imginfo["width"] : $this->maxwidth;

                $height = ($this->maxheight > $imginfo["height"]) ? $imginfo["height"] : $this->maxheight;

                $srcw = $imginfo["width"];

                $srch = $imginfo["height"];

                if ($srcw * $width > $srch * $height) {

                        $height = round($srch * $width / $srcw);

                } else {

                        $width = round($srcw * $height / $srch);

                }

                if (function_exists("imagecreatetruecolor")) {

                        $newimg = imagecreatetruecolor($width, $height);

                        imagecopyresampled($newimg, $img, 0, 0, 0, 0, $width, $height, $imginfo["width"], $imginfo["height"]);

                } else {

                        $newimg = imagecreate($width, $height);

                        imagecopyresized($newimg, $img, 0, 0, 0, 0, $width, $height, $imginfo["width"], $imginfo["height"]);

                }



                $white = imagecolorallocate($newimg, 255, 255, 255);

                $black = imagecolorallocate($newimg, 0, 0, 0);

                $alpha = imagecolorallocatealpha($newimg, 230, 230, 230, 80);

                //imagefilledrectangle($newimg, 0, $height-26, $width, $height, $alpha);

                //imagefilledrectangle($newimg, 13, $height-20, 15, $height-7, $black);

                imagettftext($newimg, 14, 0, 20, $height-14, $white, $this->fonttype, $text[0]);

                imagettftext($newimg, 14, 0, 20, $height-6, $white, $this->fonttype, $text[1]);

                if($this->tofile) {

                        if (file_exists($this->markfolder."/".$newname)){

       @unlink($this->markfolder."/".$newname);

      }

                        imagejpeg($newimg,$this->markfolder."/".$newname);



      if(file_exists($this->annexfolder."/".$newname)){

       unlink($this->annexfolder."/".$newname);

      }



                        return $this->markfolder."/".$newname;

                } else {

                        imagejpeg($newimg);

                }

                imagedestroy($newimg);

                imagedestroy($img);

                return $newname;

        }

}?>