日期:2014-05-17 浏览次数:20615 次
header('Content-type:text/html; charset=utf-8');
require "lib/imgHelper.php";
$imgHelper = new imgHelper( "dir1" );
$imgHelper->setOutputDir( "dir2" );
//默认输出在1024 768 下等比缩放,需要自定义时,$imgHelper->setOutputSize(1440,900);
$imgHelper->execution();
<?php
/**
* 图片处理助手
*/
class imgHelper
{
public $srcFiles; //源文件 array
public $srcDirs; //源目录
public $exportDir; //输出目录
public $exportFiles; //输出文件 array
private $_option = array("maxWidth"=>"1024" , "maxHeight"=>"768");
function __construct($dir = '' , $option = array() )
{
if (!$dir) return;
$this->srcDirs = $dir;
$this->srcFiles = $this->traversal($dir);
$this->setOptions( $option );
}
/**
* 设置输出目录
* @param $dir
*/
public function setOutputDir( $dir )
{
if( !is_dir( $dir )) { mkdir($dir , 0777 , 1);}
$this->exportDir = $dir;
}
public function execution()
{
foreach( $this->srcFiles as $key =>$val ):
$srcImg = $val;
$toFile = str_replace( $this->srcDirs , $this->exportDir , $srcImg); //todo 简便处理.
$maxWidth = $this->_option["maxWidth"];
$maxHeight = $this->_option["maxHeight"];
$this->resize($srcImg , $toFile , $maxWidth , $maxHeight );
endforeach;
}
//缩放图片.
private function resize($srcImage,$toFile,$maxWidth = 100,$maxHeight = 100,$imgQuality=100)
{
//创建目录目录!