PHP实现支持GET,POST,Multipart/form-data的HTTP请求类

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本文实例讲述了PHP实现支持GET,POST,Multipart/form-data的HTTP请求类及其应用,分享给大家供大家参考。具体如下:

HttpRequest.class.PHP文件如下:

PHP;"> 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;

  1. // 如没有设置ip,则用host代替
  2. if($this->_ip==''){
  3. $this->_ip = $this->_host;
  4. }

}

// 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'){

  1. $type = strtolower($type);
  2. // 检查发送类型
  3. if(!in_array($type,array('get','post','multipart'))){
  4. return false;
  5. }
  6. // 检查连接
  7. if($this->connect()){
  8. switch($type){
  9. case 'get':
  10. $out = $this->sendGet();
  11. break;
  12. case 'post':
  13. $out = $this->sendPost();
  14. break;
  15. case 'multipart':
  16. $out = $this->sendMultipart();
  17. break;
  18. }
  19. // 空数据
  20. if(!$out){
  21. return false;
  22. }
  23. // 发送数据
  24. fputs($this->_fp,$out);
  25. // 读取返回数据
  26. $response = '';
  27. while($row = fread($this->_fp,4096)){
  28. $response .= $row;
  29. }
  30. // 断开连接
  31. $this->disconnect();
  32. $pos = strpos($response,"\r\n\r\n");
  33. $response = substr($response,$pos+4);
  34. return $response;
  35. }else{
  36. return false;
  37. }

}

// 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,不会处理文件数据
private function sendGet(){

  1. // 检查是否空数据
  2. if(!$this->_formdata){
  3. return false;
  4. }
  5. // 处理url
  6. $url = $this->_url.'?'.http_build_query($this->_formdata);
  7. $out = "GET ".$url." http/1.1\r\n";
  8. $out .= "host: ".$this->_host."\r\n";
  9. $out .= "connection: close\r\n\r\n";
  10. return $out;

}

// post 方式,处理发送的数据
private function sendPost(){

  1. // 检查是否空数据
  2. if(!$this->_formdata && !$this->_filedata){
  3. return false;
  4. }
  5. // form data
  6. $data = $this->_formdata? $this->_formdata : array();
  7. // file data
  8. if($this->_filedata){
  9. foreach($this->_filedata as $filedata){
  10. if(file_exists($filedata['path'])){
  11. $data[$filedata['name']] = file_get_contents($filedata['path']);
  12. }
  13. }
  14. }
  15. if(!$data){
  16. return false;
  17. }
  18. $data = http_build_query($data);
  19. $out = "POST ".$this->_url." http/1.1\r\n";
  20. $out .= "host: ".$this->_host."\r\n";
  21. $out .= "content-type: application/x-www-form-urlencoded\r\n";
  22. $out .= "content-length: ".strlen($data)."\r\n";
  23. $out .= "connection: close\r\n\r\n";
  24. $out .= $data;
  25. return $out;

}

// multipart 方式,发送文件推荐使用此方式
private function sendMultipart(){

  1. // 检查是否空数据
  2. if(!$this->_formdata && !$this->_filedata){
  3. return false;
  4. }
  5. // 设置分割标识
  6. srand((double)microtime()*1000000);
  7. $boundary = '---------------------------'.substr(md5(rand(0,32000)),10);
  8. $data = '--'.$boundary."\r\n";
  9. // form data
  10. $formdata = '';
  11. foreach($this->_formdata as $key=>$val){
  12. $formdata .= "content-disposition: form-data; name=\"".$key."\"\r\n";
  13. $formdata .= "content-type: text/plain\r\n\r\n";
  14. if(is_array($val)){
  15. $formdata .= json_encode($val)."\r\n"; // 数组使用json encode后方便处理
  16. }else{
  17. $formdata .= rawurlencode($val)."\r\n";
  18. }
  19. $formdata .= '--'.$boundary."\r\n";
  20. }
  21. // file data
  22. $filedata = '';
  23. foreach($this->_filedata as $val){
  24. if(file_exists($val['path'])){
  25. $filedata .= "content-disposition: form-data; name=\"".$val['name']."\"; filename=\"".$val['filename']."\"\r\n";
  26. $filedata .= "content-type: ".mime_content_type($val['path'])."\r\n\r\n";
  27. $filedata .= implode('',file($val['path']))."\r\n";
  28. $filedata .= '--'.$boundary."\r\n";
  29. }
  30. }
  31. if(!$formdata && !$filedata){
  32. return false;
  33. }
  34. $data .= $formdata.$filedata."--\r\n\r\n";
  35. $out = "POST ".$this->_url." http/1.1\r\n";
  36. $out .= "host: ".$this->_host."\r\n";
  37. $out .= "content-type: multipart/form-data; boundary=".$boundary."\r\n";
  38. $out .= "content-length: ".strlen($data)."\r\n";
  39. $out .= "connection: close\r\n\r\n";
  40. $out .= $data;
  41. return $out;

}
} // class end

?>

demo示例程序如下:

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 '

  1. ';
  2. print_r($result);
  3. echo '
';

?>

完整实例代码可以点击此处

希望本文所述对大家的PHP程序设计有所帮助。

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