输出控制类

　　<?php
/**
*
*作者: 徐祖宁 (唠叨)
*开发: 2002.07
*
*
*类: outbuffer
*功能: 封装部分输出控制函数，控制输出对象。
*
*方法:
*run($proc)运行php程序
*$procphp程序名
*display()输出运行结果
*savetofile($filename)保存运行结果到文件，一般可用于生成静态页面
*$filename 文件名
*loadfromfile($filename)装入保存的文件
*$filename 文件名
*
*示例:
*1.
*require_once "outbuffer.php";
*$out = new outbuffer();
*$out->run("test.php");
*$out->display();
*
*2.
*require_once "outbuffer.php";
*require_once "outbuffer.php";
*$out = new outbuffer("test.php");
*$out->savetofile("temp.htm");
*
*3.
*require_once "outbuffer.php";
*$out = new outbuffer();
*$out->loadfromfile("temp.htm");
*$out->display();
*
*/

class outbuffer {
var $length;
var $buffer;
function outbuffer($proc="") {
$this->run($proc);
}
function run($proc="") {
ob_start();
include($proc);
$this->length = ob_get_length();
$this->buffer = ob_get_contents();
$this->buffer = eregi_replace("\r?\n","\r\n",$this->buffer);
ob_end_clean();
}
function display() {
echo $this->buffer;
}
function savetofile($filename="") {
if($filename == "") return;
$fp = fopen($filename,"w");
fwrite($fp,$this->buffer);
fclose($fp);
}
function loadfromfile($filename="") {
if($filename == "") return;
$fp = fopen($filename,"w");
$this->buffer = fread($fp,filesize($filename));
fclose($fp);
}
}
?>