Http抓取页面信息类。属于InitPHP框架扩展类，需要通过$this->getLibrary()方法获取
$http = $this->getLibrary('http');
class indexController extends Controller {
public $initphp_list = array('test');
public function run() {
$http = $this->getLibrary('http');
$http->httpGet($url, $post, $ip='', $timeout=15, $cookie='', $freadLen=0);
$this->view->display(); //模板显示
}
public function test() {
echo 'index.php?c=index&a=test 才会执行';
$code = $this->getLibrary('code');
$code->getcode();
}
/**
* @return testService
*/
private function getTestService() {
return InitPHP::getService('test','test');
}
}
if (!defined('IS_INITPHP')) exit('Access Denied!');
/*********************************************************************************
* InitPHP 2.1 国产PHP开发框架 扩展类库-HTTP
*-------------------------------------------------------------------------------
* 版权所有: CopyRight By initphp.com
* 您可以自由使用该源码，但是在使用过程中，请保留作者信息。尊重他人劳动成果就是尊重自己
*-------------------------------------------------------------------------------
* $Author:zhuli
* $Dtime:2011-10-09
***********************************************************************************/
class httpInit {
private $defaultFlen = 8192;//fread默认读取最大长度
private $block = true;//读取网络流 是否阻塞，true|阻塞，false|不阻塞
private $defaultPort = 80; //默认端口号
/**
* 通过http方式获取数据
* 使用方法：$temp = $obj->httpGet($url, $post, $ip, $timeout=15, $cookie='', $freadLen=0);
* 返回：HTTP获取处理后的信息
* @param string $url 链接地址
* @param array $post post内容，没有则为空
* @param string $ip ip地址
* @param int $timeout 超时时间
* @param string $cookie cookie
* @param int $freadLen 长度
* @return string
*/
public function httpGet($url, $post, $ip='', $timeout=15, $cookie='', $freadLen=0) {
//处理参数
$data = $this->parseParam($url, $post, $ip, $timeout, $cookie, $freadLen);
list($url, $post, $ip, $timeout, $port, $cookie, $freadLen) = array($data['url'], $data['post'], $data['ip'], $data['timeout'], $data['port'], $data['cookie'], $data['freadLen']);
unset($data);
//Header信息
$httpReturn = $httpHeader = "";
$httpHeader = ($post !== '') ? $this->httpPostHeader($url, $post, $ip, $port, $cookie) : $this->httpGetHeader($url, $post, $ip, $port, $cookie);
//socket
$httpFp = @fsockopen($ip, $port, $errno, $errstr, $timeout);
@stream_set_blocking($httpFp, $this->block);
@stream_set_timeout($httpFp, $timeout);
@fwrite($httpFp, $httpHeader);
$status = @stream_get_meta_data($httpFp);
if ($httpFp == false || $status['timed_out']) return $httpReturn;
//fread
$freadLen = ($freadLen == 0) ? $this->defaultFlen : (($freadLen > $this->defaultFlen) ? $this->defaultFlen : $freadLen);
$isHttpHeader = $stopFread = false;
while (!feof($httpFp) && !$stopFread) {
if ((!$isHttpHeader) && ($tempHttpReturn = @fgets($httpFp)) && ($tempHttpReturn == "\r\n" || $tempHttpReturn == "\n")) $isHttpHeader = true;
if ($isHttpHeader) {
$httpReturn = @fread($httpFp, $freadLen);
(strlen($httpReturn) > $freadLen) && $stopFread = true;
}
}
fclose($httpFp);
return $httpReturn;
}
/**
* HTTP POST方式的header头部信息封装
* @param string $url 链接地址
* @param string $post post内容，没有则为空
* @param string $ip ip地址
* @param string $port 端口号
* @param string $cookie cookie
* @return string
*/
private function httpPostHeader($url, $post, $ip, $port=80, $cookie='') {
$httpHeader = '';
$httpHeader .= "POST $url HTTP/1.0\r\n";
$httpHeader .= "Accept: */*\r\n";
$httpHeader .= "Accept-Language: zh-cn\r\n";
$httpHeader .= "Content-Type: application/x-www-form-urlencoded\r\n";
$httpHeader .= "User-Agent: $_SERVER[HTTP_USER_AGENT]\r\n";
$httpHeader .= "Content-Length: ".strlen($post)."\r\n";
$httpHeader .= "Host: $ip:".(int)$port."\r\n";
$httpHeader .= "Connection: Close\r\n";
$httpHeader .= "Cache-Control: no-cache\r\n";
$httpHeader .= "Cookie: $cookie\r\n\r\n";
$httpHeader .= $post;
return $httpHeader;
}
/**
* HTTP GET方式的header头部信息封装
* @param string $url 链接地址
* @param string $post post内容，没有则为空
* @param string $ip ip地址
* @param string $port 端口号
* @param string $cookie cookie
* @return string
*/
private function httpGetHeader($url, $post, $ip, $port=80, $cookie='') {
$httpHeader = '';
$httpHeader .= "GET $url HTTP/1.0\r\n";
$httpHeader .= "Accept: */*\r\n";
$httpHeader .= "Accept-Language: zh-cn\r\n";
$httpHeader .= "Content-Type: application/x-www-form-urlencoded\r\n";
$httpHeader .= "User-Agent: $_SERVER[HTTP_USER_AGENT]\r\n";
$httpHeader .= "Host: $ip:".(int)$port."\r\n";
$httpHeader .= "Connection: Close\r\n";
$httpHeader .= "Cookie: $cookie\r\n\r\n";
return $httpHeader;
}
/**
* 外部接收的数据进行内部处理
* @param string $url 链接地址
* @param array $post post内容，没有则为空
* @param string $ip ip地址
* @param int $timeout 超时时间
* @param string $cookie cookie
* @param int $freadLen 长度
* @return array
*/
private function parseParam($url, $post, $ip, $timeout, $cookie, $freadLen) {
$tempArr = array();
$tempArr['url'] = (string)$url;
$tempArr['post'] = $this->parseArrToUrlstr((array)$post);
$tempArr['ip'] = (string)$ip;
$tempArr['timeout'] = (int)$timeout;
$tempArr['port'] = $this->parsePort($url, $ip);
$tempArr['cookie'] = (string)$cookie;
$tempArr['freadLen']= (int)$freadLen;
$tempArr['ip'] = ($tempArr['ip'] == '') ? $this->parseUrlToHost($tempArr['url']) : $tempArr['ip'];
return $tempArr;
}
/**
* 将数组参数转化成URL传输的参数
* 数组：array("age"=>"我是test");
* 转化：age=10&name=test 多维：a[age]=10&a[name]=test
* @param array $arr 数组
* @return string
*/
private function parseArrToUrlstr($arr) {
if (!is_array($arr)) return '';
return http_build_query($arr, 'flags_');
}
/**
* 获取URL中的HOST信息
* URL：http://www.xxx.com/index.php
* 返回: www.xxx.com
* @param string $url URL链接
* @return string
*/
private function parseUrlToHost($url) {
$parse = @parse_url($url);
$reg = '/^http:\/\/[A-Za-z0-9]+\.[A-Za-z0-9]+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"\"])*$/';
if (empty($parse) || preg_match($reg,trim($url)) == false) return '';
return str_replace(array('http://','https://'),array('','ssl://'),"$parse[scheme]://").$parse['host'];
}
/**
* 获取端口号,返回INT类型端口，如果端口不存在，为设置的默认端口号
* @param string $url URL链接
* @param string $ip IP地址
* @return int
*/
private function parsePort($url, $ip) {
$temp = array();
if ($ip !== '') {
if (strpos($ip, ':') === false) {
$tempPort = $this->defaultPort;
} else {
$temp = explode(":", $ip);
$tempPort = $temp[1];
}
} else {
$temp = @parse_url($url);
$tempPort = $temp['port'];
}
return ((int)$tempPort == 0) ? $this->defaultPort : $tempPort;
}
}