超级好用的一个php上传图片类(随机名，缩略图，加水印)
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超级好用的一个php上传图片类(随机名，缩略图，加水印)，
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Upimages.class.PHP PHP上传类
<div class="codetitle"><a style="CURSOR: pointer" data="69434" class="copybut" id="copybut69434" onclick="doCopy('code69434')"> 代码如下:
<div class="codebody" id="code69434">
<?
PHP class UpImages {
var $annexFolder = "upload";//附件存放点，默认为：annex
var $smallFolder = "small";//
缩略图存放路径，注：必须是放在 $annexFolder下的子目录，默认为：smallimg
var $markFolder = "mark";//水印
图片存放处
var $upFileType = "jpg gif png";//
上传的类型，默认为：jpg gif png rar zip
var $upFileMax = 1024;//
上传大小限制，单位是“KB”，默认为：1024KB
var $fontType;//字体
var $maxWidth = 500; //
图片最大宽度
var $maxHeight = 600; //
图片最大高度
function UpImages($annexFolder,$smallFolder,$includeFolder) {
$this->annexFolder = $annexFolder;
$this->smallFolder = $smallFolder;
$this->fontType = $includeFolder."/04B_08__.TTF";
}
function upLoad($inputName) {
$imageName = time();//设定当前时间为
图片名称 if(@empty($_FILES[$inputName]["name"])) die("没有
上传图片信息，请确认");
$name = explode(".",$_FILES[$inputName]["name"]);//将
上传前的
文件以“.”分开取得
文件类型
$imgCount = count($name);//获得
截取的
数量 $imgType = $name[$imgCount-1];//取得
文件的类型
if(strpos($this->upFileType,$imgType) === false) die(error("
上传文件类型仅
支持 ".$this->upFileType."
不支持 ".$imgType));
$photo = $imageName.".".$imgType;//写入
数据库的
文件名
$uploadFile = $this->annexFolder."/".$photo;//
上传后的
文件名称 $upFileok = move_uploaded_file($_FILES[$inputName]["tmp_name"],$uploadFile);
if($upFileok) {
$imgSize = $_FILES[$inputName]["size"];
$kSize = round($imgSize/1024);
if($kSize > ($this->upFileMax
1024)) {
@unlink($uploadFile);
die(error("上传文件超过 ".$this->upFileMax."KB"));
}
} else {
die(error("上传图片失败，请确认你的上传文件不超过 $upFileMax KB 或上传时间超时"));
}
return $photo;
}
function getInfo($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 $imgInfo;
}
function smallImg($photo,$width=128,$height=128) {
$imgInfo = $this->getInfo($photo);
$photo = $this->annexFolder."/".$photo;//获得图片源
$newName = substr($imgInfo["name"],strrpos($imgInfo["name"],"."))."_thumb.jpg";//新图片名称
if($imgInfo["type"] == 1) {
$img = imagecreatefromgif($photo);
} elseif($imgInfo["type"] == 2) {
$img = imagecreatefromjpeg($photo);
} elseif($imgInfo["type"] == 3) {
$img = imagecreatefrompng($photo);
} else {
$img = "";
}
if(empty($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,$img,$width,$height,$imgInfo["width"],$imgInfo["height"]);
} else {
$newImg = imagecreate($width,$height);
ImageCopyResized($newImg,$imgInfo["height"]);
}
if ($this->toFile) {
if (file_exists($this->annexFolder."/".$this->smallFolder."/".$newName)) @unlink($this->annexFolder."/".$this->smallFolder."/".$newName);
ImageJPEG($newImg,$this->annexFolder."/".$this->smallFolder."/".$newName);
return $this->annexFolder."/".$this->smallFolder."/".$newName;
} else {
ImageJPEG($newImg);
}
ImageDestroy($newImg);
ImageDestroy($img);
return $newName;
}
function waterMark($photo,$text) {
$imgInfo = $this->getInfo($photo);
$photo = $this->annexFolder."/".$photo;
$newName = substr($imgInfo["name"],".")) . "_mark.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 (empty($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,$imgInfo["height"]);
} $white = imageColorAllocate($newImg,255,255);
$black = imageColorAllocate($newImg,0);
$alpha = imageColorAllocateAlpha($newImg,230,40);
ImageFilledRectangle($newImg,$height-26,$alpha);
ImageFilledRectangle($newImg,13,$height-20,15,$height-7,$black);
ImageTTFText($newImg,4.9,20,$height-14,$black,$this->fontType,$text[0]);
ImageTTFText($newImg,$height-6,$text[1]);
if($this->toFile) {
if (file_exists($this->annexFolder."/".$this->markFolder."/".$newName)) @unlink($this->annexFolder."/".$this->markFolder."/".$newName);
ImageJPEG($newImg,$this->annexFolder."/".$this->markFolder."/".$newName);
return $this->annexFolder."/".$this->markFolder."/".$newName;
} else {
ImageJPEG($newImg);
}
ImageDestroy($newImg);
ImageDestroy($img);
return $newName;
}
}
?>
