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php HTTP请求类,支持GET,POST,Multipa

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, "

");
            $response = substr($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
";
        $out .= "host: ".$this->_host."
";
        $out .= "connection: close

";

        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
";
        $out .= "host: ".$this->_host."
";
        $out .= "content-type: application/x-www-form-urlencoded
";
        $out .= "content-length: ".strlen($data)."
";
        $out .= "connection: close

";
        $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."
";

        // form data
        $formdata = "";

        foreach($this->_formdata as $key=>$val){
            $formdata .= "content-disposition: form-data; name="".$key.""
";
            $formdata .= "content-type: text/plain

";
            if(is_array($val)){
                $formdata .= json_encode($val)."
"; // 数组使用json encode后方便处理
            }else{
                $formdata .= rawurlencode($val)."
";
            }
            $formdata .= "--".$boundary."
";
        }

        // file data
        $filedata = "";

        foreach($this->_filedata as $val){
            if(file_exists($val["path"])){
                $filedata .= "content-disposition: form-data; name="".$val["name"].""; filename="".$val["filename"].""
";
                $filedata .= "content-type: ".mime_content_type($val["path"])."

";
                $filedata .= implode("", file($val["path"]))."
";
                $filedata .= "--".$boundary."
";
            }
        }

        if(!$formdata && !$filedata){
            return false;
        }

        $data .= $formdata.$filedata."--

";

        $out = "POST ".$this->_url." http/1.1
";
        $out .= "host: ".$this->_host."
";
        $out .= "content-type: multipart/form-data; boundary=".$boundary."
";
        $out .= "content-length: ".strlen($data)."
";
        $out .= "connection: close

";
        $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>";

?>

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