是一个基于php curl库封装的http类库，简单易用，可完美解决您的web请求需求，HTTP类库可以收藏，HTTP类库很好用。
<?php
/**
* 封装基于curl的HTTP类库
*
* @file class_httplib.php
* @author qaulau@hotmail.coma
* @date 2013-8-1
*/
class httplib{
private $response;
private $response_header;
private $response_data;
private $response_info;
private $response_httpcode;
private $timeout = 30;
private $cookie = '';
private $useragent = 'PHP-HttpLib-v1.0';
private $request_header = array();
private $starttime;
private $request_proxy = array();
private $request_method;
public function __construct(){
$this->starttime = self::_microtime();
//能有效提高POST大于1M数据时的请求速度
$this->set_header('Expect');
}
/**
* 设置cookie(可选)
* @param <array|string> $cookie
*/
public function set_cookie($cookie = ''){
if (is_array($cookie)){
$cookies = array();
foreach ($cookie as $k => $v){
$cookies[] = $k.'='.$v;
}
$this->cookie .= implode('; ', $cookies);
}else{
$this->cookie .= $cookie;
}
}
/**
* 设置用户浏览器信息(可选)
* @param string $useragent : 浏览器代理信息
*/
public function set_useragent($useragent = ''){
$this->useragent = $useragent;
}
/**
* 设置头部伪造IP(可选)，对某些依靠头部信息判断ip的网站有效
* @param string $ip ： 需要伪造的ip
*/
public function set_forgeip($ip){
$this->set_header('CLIENT-IP',$ip);
$this->set_header('X-FORWARDED-FOR',$ip);
}
/**
* 添加请求头部信息
* @param string $k
* @param string $v
*/
public function set_header($k,$v = ''){
if (!empty($k)){
$this->request_header[] = $k.':'.$v;
}
}
/**
* 设置超时时间(可选)
* @param int $sec
*/
public function set_timeout($sec){
if($sec > ini_get('max_execution_time')) @set_time_limit($sec);
$this->timeout = $sec;
}
/**
* 设置代理(可选)，如对方限制了ip访问或需要隐藏真实ip
* @param string $host ：代理服务器（ip或者域名）
* @param int $port ：代理服务端口
* @param string $user ：用户名（如果有）
* @param string $pass ：用户密码（如果有）
*/
public function set_proxy($host,$port = '',$user = '',$pass = ''){
$this->request_proxy = array('host'=>$host,'port'=>$port,'user'=>$user,'pass'=>$pass);
}
/**
* 请求url
* @param string $url : 请求的地址
* @param <array|string> $postdata :该项如果填写则为POST方式，否则为GET方式;如需上传文件,需在文件路径前加上@符号
* @param string $referer : 来路地址，用于伪造来路
*/
public function request($url,$postdata = '',$referer=''){
$ch = $this->_http_request($url,$postdata,$referer);
if ($postdata == ''){
$this->request_method = 'GET';
}else{
$this->request_method = 'POST';
}
$this->response = curl_exec($ch);
if ($this->response === false) {
//throw new Exception('cURL resource: ' . (string) $ch . '; cURL error: ' . curl_error($ch) . ' (' . curl_errno($ch) . ')');
$this->response_httpcode = 204; //没有内容，请求失败
$this->response_data = 'URL：'.$url.' cURL resource: ' . (string) $ch . '; cURL error: ' . curl_error($ch) . ' (' . curl_errno($ch) . ')';
return false;
}
$this->_process_response($ch);
curl_close($ch);
}
/**
* 获取响应的所有信息
*/
public function get_response(){
return $this->response;
}
/**
* 获取响应的header信息
* @param string $key : (可选)header头部信息标示如获取Set-Cookie
* @return string
*/
public function get_header($key = ''){
if ($key == ''){
return $this->response_header;
}
if (!isset($this->response_header[$key])){
return NULL;
}
return $this->response_header[$key];
}
/**
* 获取响应的cookie
* @param boolean $assoc : 选择true将返回数组否则返回字符串
*/
public function get_cookie($assoc = false){
$cookies = $this->get_header('Set-Cookie');
if ($cookies){
foreach ($cookies as $v){
$cookieinfo = explode(';', $v);
if(strpos($this->cookie,$cookieinfo[0]) === FALSE){
$this->cookie .= $cookieinfo[0];
$this->cookie .= '; ';
}
}
}
if ($assoc && $this->cookie){
$cookie = substr($this->cookie, 0,-3);
$cookie = explode('; ', $cookie);
$cookies = array();
foreach ($cookie as $v){
$cookieinfo = explode('=', $v);
$cookies[$cookieinfo[0]] = $cookieinfo[1];
}
return $cookies;
}
return $this->cookie;
}
/**
* 获取响应的页面数据即页面代码
*/
public function get_data(){
return $this->response_data;
}
/**
* 获取响应的网页编码
*/
public function get_charset(){
$content_type = $this->get_header('Content-Type');
if ($content_type) {
preg_match('/charset=(.+)/i', $content_type, $matches);
if (isset($matches[1])){
return strtoupper(trim($matches[1]));
}
}
return NULL;
}
/**
* 获取连接资源的信息（返回数组）
*/
public function get_info(){
return $this->response_info;
}
/**
* 获取响应的网页状态码 (注：200为正常响应)
*/
public function get_statcode(){
return $this->response_httpcode;
}
/**
* 获取请求方法
*/
public function get_method(){
return $this->request_method;
}
/**
* 获取请求时间
*/
public function get_requesttime(){
return self::_microtime() - $this->starttime;
}
/**
* 处理响应的数据
* @param resource $ch
*/
private function _process_response($ch = null){
if (is_resource($ch)) {
$content_size = curl_getinfo($ch,CURLINFO_CONTENT_LENGTH_DOWNLOAD);
if($content_size > 0){
$this->response_header = substr($this->response, 0, -$content_size);
$this->response_data = substr($this->response, -$content_size);
}else{
$header_size = curl_getinfo($ch,CURLINFO_HEADER_SIZE);
$this->response_header = substr($this->response, 0, $header_size);
$this->response_data = substr($this->response, $header_size);
}
$this->response_httpcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
$this->response_info = curl_getinfo($ch);
//分解响应头部信息
$this->response_header = explode("\r\n\r\n", trim($this->response_header));
$this->response_header = array_pop($this->response_header);
$this->response_header = explode("\r\n", $this->response_header);
array_shift($this->response_header); //开头为状态
//分割数组
$header_assoc = array();
foreach ($this->response_header as $header) {
$kv = explode(': ', $header);
if($kv[0] == 'Set-Cookie'){
$header_assoc['Set-Cookie'][] = $kv[1];
}else{
$header_assoc[$kv[0]] = $kv[1];
}
}
$this->response_header = $header_assoc;
}
return false;
}
/**
* 请求数据
* @param string $url
* @param string|array $post_data
* @param string $referer
*/
private function _http_request($url,$post_data,$referer=''){
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch, CURLOPT_USERAGENT, $this->useragent);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($ch, CURLOPT_TIMEOUT, $this->timeout);
//强制使用IPV4协议解析域名，否则在支持IPV6的环境下请求会异常慢
@curl_setopt($ch, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
if ($post_data){
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
}
if ($this->cookie){
curl_setopt($ch, CURLOPT_COOKIE, $this->cookie);
}
if ($referer){
curl_setopt($ch, CURLOPT_REFERER, $referer);
}
if ($this->request_header){
curl_setopt($ch, CURLOPT_HTTPHEADER, $this->request_header);
}
if ($this->request_proxy) {
curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, true);
$host = $this->request_proxy['host'];
$host .= ($this->request_proxy['port']) ? ':' . $this->request_proxy['port'] : '';
curl_setopt($ch, CURLOPT_PROXY, $host);
if (isset($this->request_proxy['user']) && isset($this->request_proxy['pass'])) {
curl_setopt($ch, CURLOPT_PROXYUSERPWD, $this->request_proxy['user'] . ':' . $this->request_proxy['pass']);
}
}
return $ch;
}
private static function _microtime(){
return array_sum(explode(' ', microtime()));
}
}简单的示例：其它的请自行测试
<?php
include 'httplib.class.php';
//初始化
$http = new httplib();
//设置超时时间为60秒
$http->set_timeout(60);
//设置浏览器信息
$http->set_useragent($_SERVER['HTTP_USER_AGENT']);
//设置请求的方式为XMLHttpRequest，模拟ajax请求信息，可用于某些api的限制，此处仅为演示说明
$http->set_header('X-Requested-With','XMLHttpRequest');
//设置代理服务器信息
$http->set_proxy('59.108.116.175','3128');
//请求资源
$http->request('http://www.baidu.com/s?wd=ip');
//获取网页数据
$data = $http->get_data();
//获取cookie（默认返回字符串，参数为true时返回数组）
$cookie = $http->get_cookie();
//获取网页响应状态码
$statcode = $http->get_statcode();
//获取原始未处理的响应信息
$response = $http->get_response();
//获取连接资源的信息（返回数组），如平均上传速度 、平均下载速度 、请求的URL等
$response_info = $http->get_info();GET请求
include 'httplib.class.php';
$http = new httplib();
$http->request('http://www.baidu.com/s?wd=ip');
echo $http->get_data();POST请求
include 'httplib.class.php';
$http = new httplib();
$http->set_useragent($_SERVER['HTTP_USER_AGENT']);
$postdata = array(
'from' => 'auto',
'to' => 'zh',
'query' => 'Hello.'
);
$http->request('http://fanyi.baidu.com/v2transapi',$postdata,'http://fanyi.baidu.com');
$json = $http->get_data();
$arr = json_decode($json,true);
echo '<pre>';
print_r($arr);
echo '</pre>';上传文件
include 'httplib.class.php';
$http = new httplib();
$http->set_useragent($_SERVER['HTTP_USER_AGENT']);
$postdata = array(
'file'=>'@c://1.mp3'
);
$refere = 'http://pan.baidu.com';
$duss = 'ce5d70d0f96459b07d6c6c9d9b39db96';
$path = '/qaulau/1.mp3';
$http->request('https://pcs.baidu.com/rest/2.0/pcs/file?method=upload&path='.$path.'&duss='.$duss,$postdata,$refere);
$json = $http->get_data();
$arr = json_decode($json,true);
echo '<pre>';
print_r($arr);
echo '</pre>';
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温馨提示：文章内容系作者个人观点，不代表雅爱博客对观点赞同或支持。
版权声明：本文为 转载 文章，来源于 点击这里 ，版权归原作者所有，欢迎分享本文，转载请保留出处！
