抓取文章列表

<?php
/**
 * 
 * @authors HG (hg0728@qq.com)
 * @date    2015-05-22 17:00:48
 * @version 1.0
 */
header("Content-type:text/html;charset=utf-8");
function getCurl($url) {
		$ch = curl_init();
		curl_setopt($ch, CURLOPT_URL, $url);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
		curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
		curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
		$result = curl_exec($ch);
		curl_close($ch);
		return $result;
}

function preg_list($str){//从curl获得指定内容
	$regex = '/(.*?)/';
	$isMatched = preg_match_all($regex, $str, $matches);

	for ($i=0; $i < $isMatched; $i++) { 
		$str = $matches[1][$i] .' '. $matches[2][$i];
		echo $matches[1][$i];
		file_put_contents('blogs.txt', $str. "\n", FILE_APPEND);

		
	}
}
for ($i=0; $i < 201; $i++) { //翻页抓取
	if($i==0){
		$url = 'http://www.cnblogs.com/';
		$str = getCurl($url);
	}
	else {
		$url = 'http://www.cnblogs.com/sitehome/p/'.$i;
		$str = getCurl($url);
	}
	preg_list($str);
}