php 读取网页源码 ， 导出成txt文件， 读取xls，读取文件夹下的所有文件的文件名

<?php

// 读取网页源码
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_HEADER, 1);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);//这个是重点。
$contents = curl_exec($curl);

//导出成txt文件
$str = "abcd";
$fp=fopen("pic.txt","w");
fputs($fp,$str);
fclose($fp);

//读取表格
require_once 'excel_reader2.php';
$data = new Spreadsheet_Excel_Reader();
$data->setOutputEncoding('UTF-8');
$data->read($filename);
for($i=1;$i<=$data->sheets[0]["numRows"];$i++){
for($j=1;$j<=$data->sheets[0]['numCols'];$j++){
$str2=@$data->sheets[0]['cells'][$i][$j];
}
}

//读取文件夹下的所有文件的文件名
$filedir = "C:/Users/xia/Desktop/新建文件夹/ProductInfoList/";
$rfdir= new rdfile($filedir);
$file = implode("\r\n",$rfdir->fileList);
class rdfile{
public $fileList; // 所有子文件夹的文件名
public $ftype; // 限制文件的类型
public $dirlist; // 当前文件夹下的所有文件和文件夹名称。
function __construct($path,$filetype="*"){
if(!is_dir($path)){die("这不是个目录");}
$len = strlen($path)-1;
if($path{$len} == "/"||$path{$len} == "\\"){$path = substr($path,0,-1);}
$this->ftype = $filetype;
$this->fileList = array();
$this->readypath($path);
}
public function readypath($path){
$dirList = scandir($path);
unset($dirList[0]);
unset($dirList[1]);
$this->dirlist = $dirList;
foreach($dirList as $key=>$value){
$pathfile=$path. DIRECTORY_SEPARATOR .$value;
if(is_dir($pathfile)){
$this->readypath($pathfile);
}else if(is_file($pathfile)){
if($this->ftype=="*"){
$this->fileList[] = $pathfile;
}else{
if(strrchr($pathfile,".") == ".".$this->ftype){$this->fileList[] = $pathfile;}
}
}
}
}
}

?>