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php图片上传类同时可生成缩略图与加水印

发布时间:2016-11-25 16:58

这款图片上传代码可以把上传的图片增加水印,生成小图片,同时还可以生成文字水印。
 代码如下 复制代码
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;//写入数据库教程的文件名
                $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;
        }
}
成条形码就是必须生成图片了,在php生成图片我们就必须用到gd库来实现了,所以你得找到你的将php.ini文件找到extension=php_gd2.dll 去掉前面的;。你就可能使用些实例了。

*/

 代码如下 复制代码

class cd_barra
{
    var $file;
    var $into;
   
    var $cd_barras = array(0=>"00110",1=>"10001",2=>"01001",3=>"11000",4=>"00101",
                           5=>"10100",6=>"01100",7=>"00011",8=>"10010",9=>"01010"
                           );
    function cd_barra($value,$files,$into=1) {
      $lower = 1 ; $hight = 55;         
      $this->into = $into;
      for($count1=9;$count1>=0;$count1--){
        for($count2=9;$count2>=0;$count2--){  
          $count = ($count1 * 10) + $count2 ;
          $text = "" ;
          for($i=1;$i<6;$i++){
            $text .=  substr($this->cd_barras[$count1],($i-1),1) . substr($this->cd_barras[$count2],($i-1),1);
          }
          $this->cd_barras[$count] = $text;
       }
      }
   
          //$img         = imagecreate($lower*95+300,$hight+30);
          $img         = imagecreate(145,55);
   
    //$img         = imagecreate(395,73);  
          $cl_black = imagecolorallocate($img, 0, 0, 0);
          $cl_white = imagecolorallocate($img, 255, 255, 255);
   
              
          
          imagefilledrectangle($img, 0, 0, $lower*95+1000, $hight+30, $cl_white);
          
   
          imagefilledrectangle($img, 1,1,1,53,$cl_black);
          imagefilledrectangle($img, 2,1,2,53,$cl_white);
          imagefilledrectangle($img, 3,1,3,53,$cl_black);
          imagefilledrectangle($img, 4,1,4,53,$cl_white);
   
   
   
    $thin = 1 ;
    if(substr_count(strtoupper($_server['server_software']),"win32")){
        //o tamanho para windows tem que ser 3
        // for windows, the wide bar has = 3
         $wide = 3;
    } else {
            $wide = 2.72;
       }
    $pos   = 5 ;
    $text = $value ;
    if((strlen($text) % 2) <> 0){
        $text = "0" . $text;
    }
   
   
    while (strlen($text) > 0) {
      $i = round($this->barra_left($text,2));
      $text = $this->barra_right($text,strlen($text)-2);
      
      $f = $this->cd_barras[$i];
      
      for($i=1;$i<11;$i+=2){
        if (substr($f,($i-1),1) == "0") {
          $f1 = $thin ;
        }else{
          $f1 = $wide ;
        }
   
      
      imagefilledrectangle($img, $pos,1,$pos-1+$f1,53,$cl_black)  ;
      $pos = $pos + $f1 ;  
      
      if (substr($f,$i,1) == "0") {
          $f2 = $thin ;
        }else{
          $f2 = $wide ;
        }
   
      imagefilledrectangle($img, $pos,1,$pos-1+$f2,53,$cl_white)  ;
      $pos = $pos + $f2 ;  
      }
    }
   
       
    imagefilledrectangle($img, $pos,1,$pos-1+$wide,53,$cl_black);
    $pos=$pos+$wide;
   
    imagefilledrectangle($img, $pos,1,$pos-1+$thin,53,$cl_white);
    $pos=$pos+$thin;
   
   
    imagefilledrectangle($img, $pos,1,$pos-1+$thin,53,$cl_black);
    $pos=$pos+$thin;
   
    $this->put_img($img,$files);
    }
   
    function barra_left($input,$comp){
        return substr($input,0,$comp);
    }
   
    function barra_right($input,$comp){
        return substr($input,strlen($input)-$comp,$comp);
    }
   
    function put_img($image,$file){
        if($this->into){           
   imagegif($image,$file);
        }
  else {
                    header("content-type: image/gif");
                    imagegif($image);
             }
        imagedestroy($image);
    }
}

?>

//调用 方法

 代码如下 复制代码

<?php
  include("codes.php");
 $new_code = new cd_barra("1234567890","a.gif",1);
 
 ?>
   <img" width=100% src="a.gif"   />

这是一段完美的php柱状图生成类代码,可以生成漂亮实用的柱状图
 代码如下 复制代码
function createimage($data,$twidth,$tspace,$height){
                        $dataname = array();
                        $datavalue = array();
                        $i = 0;
                        $j = 0;
                        $k = 0;
                        $num = sizeof($data);
                       
                        foreach($data as $key => $val){
                                        $dataname[] = $key;
                                        $datavalue[] = $val;
                                }
       
                        $maxnum = max($data);
                        $width = ($twidth + $tspace) * $num + 4;//image's width
                        $im = imagecreate($width + 40,$height+20);
                        $linecolor = imagecolorallocate($im,12,12,12);
                        $bgcolor = imagecolorallocate($im,235,233,233);
                        $tcolor = imagecolorallocate($im,123,200,56);
                        imagefill($im,0,0,$bgcolor);
                        imageline ( $im, 30, 0, 30, $height - 2, $linecolor);
                        imageline ( $im, 30, $height - 2, $width + 30 -2 , $height - 2,$linecolor);
                        while($i < $num){
                                imagefilledrectangle ( $im, $i * ($tspace+$twidth) + 40, $height - $datavalue[$i], $i * ($tspace+$twidth) + 40 + $twidth, $height - 3, $tcolor);
                                imagestringup ( $im, 4, $i * ($tspace+$twidth) + $twidth/2 + 30, $height - 10, $dataname[$i]."(".$datavalue[$i].")", $linecolor);
                                $i++;
                        }
                        while($j <= (500/10)){
                                imagestringup ( $im, 4, 2, $height - $j * 10 + 10, $j * 10, $linecolor);
                                $j = $j + 10;
                        }
                        while($k <= (500/10)){
                                if($k != 0)
                                imageline ( $im, 28, $height - $k * 10, 32 , $height - $k * 10,$linecolor);
                                $k = $k + 10;
                        }
                        imagepng($im);
                }

//调用方法:

 代码如下 复制代码
header("content-type:image/png");
$data = array("yahoo" => 120, "google" => 260,"microsoft" => 320,"ibm" => 290,"sun system" => 150,"inter" => 260);
createimage($data,38,25,460);
这款程序给图片加文字水印时是调用 了C:\\WINDOWS\\Fonts\\\\SIMHEI.TTF字体,给图片加水印时就可以自定图片哦。

$image->wprint_img();//执行图片水印
$image->wprint_string();//执行文字水印
*/

 代码如下 复制代码

class editimage{
 private $imagefile;//图片文件
 private $smallimg;//水印图片
 private $string;//水印文字
 private $position;//存放位置
 private $dst_x=600;//原始图片打水印x坐标
 private $dst_y=0;//原始图片打水印y坐标
 private $str_x=450;
 private $str_y=200;
 private $font="c:windows ontssimhei.ttf";//原始图片打水印字体路径
 private $imgej;// imagecolorallocate后的变量
 
 function __get($value){
  return $this->$value;
 }
 function __set($property,$value){
  $this->$property=$value;
 }
 /**
  * 构造函数初始化
  *
  * @param string $imagefile 被上水印的文件
  * @param string $smallimg 水印文件
  * @param string $string 水印文字
  * @param string $position 存放位置
  * @param int $dst_x  被上水印的图片x
  * @param int $dst_y  被上水印的图片y
  */
 function __construct($imagefile,$smallimg='',$string=''){//,$position='',$dst_x=0,$dst_y=0
  $this->imagefile=$imagefile;
  $this->smallimg=$smallimg;
  $this->string=$string;
  $this->imgej=$this->imagecreatef($this->imagefile);
 }

 function get_extname($file){//获取文件的后缀名
  if (file_exists($this->imagefile)) {
   $img=getimagesize($file);
   switch ($img[2]){
    case "1":
     return "gif";
    case "2":
     return "jpg";
    case "3":
     return "png";
   }
  }else{
   return false;
  }
 }  
 

 

这是一款比较完整理的在用户上传图片时就自动给图片增加上水印,这款增加水印功能可以增加文字水印与图片水印哦。

 代码如下 复制代码

/*
 * created on 2010-6-21
 *
 * the class for control image
 *
 * made by s71ence
 *
 * @$img_path 图片路径
 * @$is_auto_reduce 图片是否自动按照大小等级压缩 1是
 * @$is_appoint 是否手动进行压缩或放大 1是
 * @$multiple 手动指定压缩/放大比例
 * @$is_water_str 是否加水印文字 1是
 * @$water_str 水印文字
 * @$is_watermark 是否加水印图片 1是
 * @$logo_path 水印图片路径
 * @$is_display 是否显示图片 1是
 * @$is_create 是否生成压缩后的图片 1是
 *
 * 注:
 * 1.生成新图时不可显示图片,即$isdisplay和$iscreate不可同时置为1
 * 2.当图片宽或高小于1000时,需手动设置压缩比例进行压缩
 * 3.不建议启用水印,若要启用,建议原图片大小最好在1000以内
 * 4.水印文字中不可含有中文
 * 5.新生成的图片在原目录文件中,支持n个层级
 */

 class image_control
 {
  private $img_path;
  private $is_auto_reduce;
  private $is_appoint;
  private $multiple;
  private $is_water_str;
  private $water_str;
  private $is_watermark;
  private $logo_path;
  private $is_display;
  private $is_create;

  function __construct($img_path,$is_auto_reduce,$is_appoint,$multiple,$is_water_str,$water_str,$is_watermark,$logo_path,$is_display,$is_create)
  {
   $this->img_path=$img_path;
   $this->is_auto_reduce=$is_auto_reduce;
   $this->is_appoint=$is_appoint;
   $this->multiple=$multiple;
   $this->is_water_str=$is_water_str;
   $this->water_str=$water_str;
   $this->is_watermark=$is_watermark;
   $this->logo_path=$logo_path;
   $this->is_display=$is_display;
   $this->is_create=$is_create;
  }

  function img_control()
  {
  //获取原图
  $img_info=getimagesize($this->img_path);

  switch($img_info[2])
  {
   case 1:
    $img_get=@imagecreatefromgif($this->img_path);
   break;

   case 2:
    $img_get=@imagecreatefromjpeg($this->img_path);
   break;

   case 3:
    $img_get=@imagecreatefrompng($this->img_path);
   break;
  }

  //文字水印
  if($this->is_water_str==1)
  {
   //imagettftext(原图,文字大小,文字旋转,水印起始坐标x,水印起始坐标y,$te,'simhei.ttf',$str);
   $te=imagecolorallocate($img_get,255,255,255);
   $str=iconv("gbk","utf-8",$this->water_str);//水印文字
   imagettftext($img_get,16,0,$img_info[0]-200,$img_info[1]-20,$te,'msyh.ttf',$str);
  }

  //图片水印
  if($this->is_watermark==1)
  {
   //水印图片处理
   $logo_info=getimagesize($this->logo_path);

   switch($logo_info[2])
   {
    case 1:
     $logo=@imagecreatefromgif($this->logo_path);
    break;

    case 2:
     $logo=@imagecreatefromjpeg($this->logo_path);
    break;

    case 3:
     $logo=@imagecreatefrompng($this->logo_path);
    break;
   }

   //水印logo图片
   //函数说明:imagecopy(原图,水印图片,水印坐标x,水印坐标y,水印图片开始坐标x,水印图片开始坐标y,'水印图片宽','水印图片高');
   imagecopy($img_get,$logo,0,0,0,0,$logo_info[0],$logo_info[1]);
  }

  //自动图片压缩 按图片大小分级自动压缩
  //imagecopyresized(画布,原图,画布起始x坐标,画布起始y坐标,原图起始x坐标,原图起始x坐标,新图片宽,新图片高,原图片宽,原图片高);
  if($this->is_auto_reduce==1)
  {
   if($img_info[0]>=3000 || $img_info[1]>=3000)
   {
    $new_image_get=imagecreatetruecolor($img_info[0]*0.03,$img_info[1]*0.03);//生成画布
    imagecopyresized($new_image_get,$img_get,0,0,0,0,$img_info[0]*0.03,$img_info[1]*0.03,$img_info[0],$img_info[1]);
   }
   else if($img_info[0]>=2500 || $img_info[1]>=2500)
   {
    $new_image_get=imagecreatetruecolor($img_info[0]*0.04,$img_info[1]*0.04);
    imagecopyresized($new_image_get,$img_get,0,0,0,0,$img_info[0]*0.04,$img_info[1]*0.04,$img_info[0],$img_info[1]);
   }
   else if($img_info[0]>=2000 || $img_info[1]>=2000)
   {
    $new_image_get=imagecreatetruecolor($img_info[0]*0.05,$img_info[1]*0.05);
    imagecopyresized($new_image_get,$img_get,0,0,0,0,$img_info[0]*0.05,$img_info[1]*0.05,$img_info[0],$img_info[1]);
   }
   else if($img_info[0]>=1500 || $img_info[1]>=1500)
   {
    $new_image_get=imagecreatetruecolor($img_info[0]*0.08,$img_info[1]*0.08);
    imagecopyresized($new_image_get,$img_get,0,0,0,0,$img_info[0]*0.08,$img_info[1]*0.08,$img_info[0],$img_info[1]);
   }
   else if($img_info[0]>=1000 || $img_info[1]>=1000)
   {
    $new_image_get=imagecreatetruecolor($img_info[0]*0.1,$img_info[1]*0.1);
    imagecopyresized($new_image_get,$img_get,0,0,0,0,$img_info[0]*0.1,$img_info[1]*0.1,$img_info[0],$img_info[1]);
   }
   else if($img_info[0]>=500 || $img_info[1]>=500)
   {
    $new_image_get=imagecreatetruecolor($img_info[0]*0.2,$img_info[1]*0.2);
    imagecopyresized($new_image_get,$img_get,0,0,0,0,$img_info[0]*0.2,$img_info[1]*0.2,$img_info[0],$img_info[1]);
   }
   else if($img_info[0]>=300 || $img_info[1]>=300)
   {
    $new_image_get=imagecreatetruecolor($img_info[0]*0.3,$img_info[1]*0.3);
    imagecopyresized($new_image_get,$img_get,0,0,0,0,$img_info[0]*0.3,$img_info[1]*0.3,$img_info[0],$img_info[1]);
   }
   else
   {
    $new_image_get=imagecreatetruecolor($img_info[0]*1,$img_info[1]*1);
    imagecopyresized($new_image_get,$img_get,0,0,0,0,$img_info[0]*1,$img_info[1]*1,$img_info[0],$img_info[1]);
   }
  }

  //手动图片压缩
  //imagecopyresized(画布,原图,画布起始x坐标,画布起始y坐标,原图起始x坐标,原图起始x坐标,新图片宽,新图片高,原图片宽,原图片高);
  if($this->is_appoint)
  {
   $new_image_get=imagecreatetruecolor($img_info[0]*$this->multiple,$img_info[1]*$this->multiple);//生成画布
   imagecopyresized($new_image_get,$img_get,0,0,0,0,$img_info[0]*$this->multiple,$img_info[1]*$this->multiple,$img_info[0],$img_info[1]);
  }

  //图像输出
  if($this->is_display==1)
  {
   header("content-type: image/jpeg");
   return imagejpeg($new_image_get);
  }

  //新图像生成
  if($this->is_create==1)
  {
   $new_name=explode("/",$this->img_path);
   $new_name_string="";

   for($i=0;$i<count($new_name)-1;$i++)
   {
    $new_name_string.=$new_name[$i]."/";
   }

   $new_img_path=$new_name_string."new".$new_name[$i];

   if(imagejpeg($new_image_get,$new_img_path) && imagejpeg($img_get,$this->img_path))
   {
    setcookie("img_new_path", $new_img_path);
       //return "图片生成成功!<br/>新图:".$new_img_path."<br/>原图:".$this->img_path;
   }
   else
   {
    return "图片生成失败,请检查配置是否正确!";
   }
  }
  }

  function __desctruct()
  {
   //clear
  }
 }

//调用方法

 代码如下 复制代码

/* $img_path="../users/user_photo/t2.jpg"; //被操作的图片路径
 $is_auto_reduce=1;//图片是否自动按照大小等级压缩 1是
 $is_appoint=0;//是否手动进行压缩 1是
 $multiple=0.5;//手动指定压缩比例
 $is_water_str=0;//是否加水印文字
 $water_str="www.111cn.net";//水印文字
 $is_watermark=0;//是否加水印图片 1是
 $logo_path="../image/logo_about.gif";//水印图片路径
 $is_display=0;//是否显示图片 1是
 $is_create=1;//是否生成压缩后的图片 1是
 $img=new image_control($img_path,$is_auto_reduce,$is_appoint,$multiple,$is_water_str,$water_str,$is_watermark,$logo_path,$is_display,$is_create);
 echo $img->img_control();*/

标签:[!--infotagslink--]

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