PHP采集图片实例（PHP采集）

网络整理 - 08-17

以下为引用的内容：

<?php
/**
*  采集图片php程序
*
*  Copyright(c) 2008 by 小超(ccxxcc) All rights reserved
*
*  To contact the author write to {@link mailto:ucitmc@163.com}
*
* @author ccxxcc
* @version $Id: {filename},v 1.0 {time} $
* @package system
*/

set_time_limit(0);
/**
* 写文件
* @param string  $file 文件路径
* @param string  $str 写入内容
* @param char $mode 写入模式
*/
function wfile($file,$str,$mode='w')
{
$oldmask = @umask(0);
$fp = @fopen($file,$mode);
@flock($fp, 3);
if(!$fp)
{
      Return false;
}
else
{
      @fwrite($fp,$str);
      @fclose($fp);
      @umask($oldmask);
      Return true;
}
}

function savetofile($path_get,$path_save)
{
@$hdl_read = fopen($path_get,'rb');
if($hdl_read == false)
{
echo("<span>$path_get can not get</span>");
Return ;
}
if($hdl_read)
{
@$hdl_write = fopen($path_save,'wb');
if($hdl_write)
{
while(!feof($hdl_read))
{
fwrite($hdl_write,fread($hdl_read,8192));
}
fclose($hdl_write);
fclose($hdl_read);
return 1;
}
else
return 0;
}
else
return -1;
}

function getExt($path)
{
$path = pathinfo($path);
return strtolower($path['extension']);
}

/**
* 按指定路径生成目录
*
* @param string    $path 路径
*/
function mkDirs($path)
{
$adir = explode('http://www.cuoxin.com/',$path);
$dirlist = '';
$rootdir = array_shift($adir);
if(($rootdir!='.'||$rootdir!='..')&&!file_exists($rootdir))
{
      @mkdir($rootdir);
}
foreach($adir as $key=>$val)
{
      if($val!='.'&&$val!='..')
      {
         $dirlist .= "/".$val;
         $dirpath = $rootdir.$dirlist;
         if(!file_exists($dirpath))
         {
            @mkdir($dirpath);
            @chmod($dirpath,0777);
         }
      }
}
}

/**
* 从文本中取得一维数组
*
* @param string    $file_path 文本路径
*/
function getFileListData($file_path)
{
$arr = @file($file_path);
$data = array();
if(is_array($arr) && !empty($arr))
{
      foreach($arr as $val)
      {
         $item = trim($val);
         if(!empty($item))
         {
            $data[] = $item;
         }
      }
}
Return $data;
}

//采集开始

//传入自己的需要采集的图片url列表文本文件每个图片url写一行
$url_file = isset($_GET['file'])&&!empty($_GET['file'])?$_GET['file']:null;
$txt_url = "txt/".$url_file;

$urls = array_unique(getFileListData($txt_url));
if(empty($urls))
{
echo('<div style="color:red">无链接地址</div>');
die();
}
$save_url = "images/".date("y_m_d",time())."/";
mkDirs($save_url);  //按日期建立文件夹
$i = 1;
if(is_array($urls)&&count($urls))
{
foreach($urls as $val)
{
savetofile($val,$save_url.date("His",time())."_".$i.".".getExt($val));
echo($i.".".getExt($val)." got\n");
$i++;
}
}

echo('<div style="color:green">finish</div>');

?>