- <?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"],0,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, 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($this->annexFolder."/".$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"], 0, strrpos($imgInfo["name"], ".")) . "_mark.jpg";
- switch ($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, $height);
- ImageCopyResampled($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, 40);
- ImageFilledRectangle($newImg, 0, $height-26, $width, $height, $alpha);
- ImageFilledRectangle($newImg, 13, $height-20, 15, $height-7, $black);
- ImageTTFText($newImg, 4.9, 0, 20, $height-14, $black, $this->fontType, $text[0]);
- ImageTTFText($newImg, 4.9, 0, 20, $height-6, $black, $this->fontType, $text[1]);
- if($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;
- }
- }
- ?>
- //该片段来自于http://www.codesnippet.cn/detail/0804201512161.html
来源: http://www.codesnippet.cn/detail/0804201512161.html