**PHP HTTP请求类，支持GET,POST,Multipart/form-data**
**HttpRequest.class.php**
~~~
<?php
/**HttpRequest class, HTTP请求类，支持GET,POST,Multipart/form-data
*Date: 2013-09-25
*Author: fdipzone
*Ver: 1.0
*
*Func:
*public setConfig 设置连接参数
*public setFormdata 设置表单数据
*public setFiledata 设置文件数据
*public send 发送数据
*private connect 创建连接
*private disconnect 断开连接
*private sendGet get 方式,处理发送的数据,不会处理文件数据
*private sendPost post 方式,处理发送的数据
*private sendMultipart multipart 方式,处理发送的数据,发送文件推荐使用此方式
*/
class HttpRequest{ // class start
private $_ip = '';
private $_host = '';
private $_url = '';
private $_port = '';
private $_errno = '';
private $_errstr = '';
private $_timeout = 15;
private $_fp = null;
private $_formdata = array();
private $_filedata = array();
// 设置连接参数
public function setConfig($config){
$this->_ip = isset($config['ip'])? $config['ip'] : '';
$this->_host = isset($config['host'])? $config['host'] : '';
$this->_url = isset($config['url'])? $config['url'] : '';
$this->_port = isset($config['port'])? $config['port'] : '';
$this->_errno = isset($config['errno'])? $config['errno'] : '';
$this->_errstr = isset($config['errstr'])? $config['errstr'] : '';
$this->_timeout = isset($confg['timeout'])? $confg['timeout'] : 15;
// 如没有设置ip，则用host代替
if($this->_ip==''){
$this->_ip = $this->_host;
}
}
// 设置表单数据
public function setFormData($formdata=array()){
$this->_formdata = $formdata;
}
// 设置文件数据
public function setFileData($filedata=array()){
$this->_filedata = $filedata;
}
// 发送数据
public function send($type='get'){
$type = strtolower($type);
// 检查发送类型
if(!in_array($type, array('get','post','multipart'))){
return false;
}
// 检查连接
if($this->connect()){
switch($type){
case 'get':
$out = $this->sendGet();
break;
case 'post':
$out = $this->sendPost();
break;
case 'multipart':
$out = $this->sendMultipart();
break;
}
// 空数据
if(!$out){
return false;
}
// 发送数据
fputs($this->_fp, $out);
// 读取返回数据
$response = '';
while($row = fread($this->_fp, 4096)){
$response .= $row;
}
// 断开连接
$this->disconnect();
$pos = strpos($response, "\r\n\r\n");
$response = substr($response, $pos+4);
return $response;
}else{
return false;
}
}
// 创建连接
private function connect(){
$this->_fp = fsockopen($this->_ip, $this->_port, $this->_errno, $this->_errstr, $this->_timeout);
if(!$this->_fp){
return false;
}
return true;
}
// 断开连接
private function disconnect(){
if($this->_fp!=null){
fclose($this->_fp);
$this->_fp = null;
}
}
// get 方式,处理发送的数据,不会处理文件数据
private function sendGet(){
// 检查是否空数据
if(!$this->_formdata){
return false;
}
// 处理url
$url = $this->_url.'?'.http_build_query($this->_formdata);
$out = "GET ".$url." http/1.1\r\n";
$out .= "host: ".$this->_host."\r\n";
$out .= "connection: close\r\n\r\n";
return $out;
}
// post 方式,处理发送的数据
private function sendPost(){
// 检查是否空数据
if(!$this->_formdata && !$this->_filedata){
return false;
}
// form data
$data = $this->_formdata? $this->_formdata : array();
// file data
if($this->_filedata){
foreach($this->_filedata as $filedata){
if(file_exists($filedata['path'])){
$data[$filedata['name']] = file_get_contents($filedata['path']);
}
}
}
if(!$data){
return false;
}
$data = http_build_query($data);
$out = "POST ".$this->_url." http/1.1\r\n";
$out .= "host: ".$this->_host."\r\n";
$out .= "content-type: application/x-www-form-urlencoded\r\n";
$out .= "content-length: ".strlen($data)."\r\n";
$out .= "connection: close\r\n\r\n";
$out .= $data;
return $out;
}
// multipart 方式,处理发送的数据,发送文件推荐使用此方式
private function sendMultipart(){
// 检查是否空数据
if(!$this->_formdata && !$this->_filedata){
return false;
}
// 设置分割标识
srand((double)microtime()*1000000);
$boundary = '---------------------------'.substr(md5(rand(0,32000)),0,10);
$data = '--'.$boundary."\r\n";
// form data
$formdata = '';
foreach($this->_formdata as $key=>$val){
$formdata .= "content-disposition: form-data; name=\"".$key."\"\r\n";
$formdata .= "content-type: text/plain\r\n\r\n";
if(is_array($val)){
$formdata .= json_encode($val)."\r\n"; // 数组使用json encode后方便处理
}else{
$formdata .= rawurlencode($val)."\r\n";
}
$formdata .= '--'.$boundary."\r\n";
}
// file data
$filedata = '';
foreach($this->_filedata as $val){
if(file_exists($val['path'])){
$filedata .= "content-disposition: form-data; name=\"".$val['name']."\"; filename=\"".$val['filename']."\"\r\n";
$filedata .= "content-type: ".mime_content_type($val['path'])."\r\n\r\n";
$filedata .= implode('', file($val['path']))."\r\n";
$filedata .= '--'.$boundary."\r\n";
}
}
if(!$formdata && !$filedata){
return false;
}
$data .= $formdata.$filedata."--\r\n\r\n";
$out = "POST ".$this->_url." http/1.1\r\n";
$out .= "host: ".$this->_host."\r\n";
$out .= "content-type: multipart/form-data; boundary=".$boundary."\r\n";
$out .= "content-length: ".strlen($data)."\r\n";
$out .= "connection: close\r\n\r\n";
$out .= $data;
return $out;
}
} // class end
?>
~~~
**demo**
~~~
<?php
require('HttpRequest.class.php');
$config = array(
'ip' => 'demo.fdipzone.com', // 如空则用host代替
'host' => 'demo.fdipzone.com',
'port' => 80,
'errno' => '',
'errstr' => '',
'timeout' => 30,
'url' => '/getapi.php',
//'url' => '/postapi.php',
//'url' => '/multipart.php'
);
$formdata = array(
'name' => 'fdipzone',
'gender' => 'man'
);
$filedata = array(
array(
'name' => 'photo',
'filename' => 'photo.jpg',
'path' => 'photo.jpg'
)
);
$obj = new HttpRequest();
$obj->setConfig($config);
$obj->setFormData($formdata);
$obj->setFileData($filedata);
$result = $obj->send('get');
//$result = $obj->send('post');
//$result = $obj->send('multipart');
echo '<pre>';
print_r($result);
echo '</pre>';
?>
~~~
**源文件下载：[点击查看](http://download.csdn.net/detail/fdipzone/6340863)**
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