本文实例讲述了PHP封装的HttpClient类。分享给大家供大家参考。具体分析如下：

这是一段php封装的HttpClient类，可实现GET POST Cookie Session等简单的功能。原来做过，这两天重新修改了一下。

<?php /* * Filename: httpclient.php * Created on 2012-12-21 * Created by RobinTang * To change the template for this generated file go to * Window - Preferences - PHPeclipse - PHP - Code Templates */ class SinCookie { public $name; // Cookie名称 public $value; // Cookie值 // 下面三个属性现在未实现 public $expires; // 过期时间 public $path; // 路径 public $domain; // 域 // 从Cookie字符串创建一个Cookie对象 function __construct($s = false) { if ($s) { $i1 = strpos($s, '='); $i2 = strpos($s, ';'); $this->name = trim(substr($s, 0, $i1)); $this->value = trim(substr($s, $i1 +1, $i2 - $i1 -1)); } } // 获取Cookie键值对 function getKeyValue() { return "$this->name=$this->value"; } } // 会话上下文 class SinHttpContext { public $cookies; // 会话Cookies public $referer; // 前一个页面地址 function __construct() { $this->cookies = array (); $this->refrer = ""; } // 设置Cookie function cookie($key, $val) { $ck = new SinCookie(); $ck->name = $key; $ck->value = $val; $this->addCookie($ck); } // 添加Cookie function addCookie($ck) { $this->cookies[$ck->name] = $ck; } // 获取Cookies字串，请求时用到 function cookiesString() { $res = ''; foreach ($this->cookies as $ck) { $res .= $ck->getKeyValue() . ';'; } return $res; } } // Http请求对象 class SinHttpRequest { public $url; // 请求地址 public $method = 'GET'; // 请求方法 public $host; // 主机 public $path; // 路径 public $scheme; // 协议，http public $port; // 端口 public $header; // 请求头 public $body; // 请求正文 // 设置头 function setHeader($k, $v) { if (!isset ($this->header)) { $this->header = array (); } $this->header[$k] = $v; } // 获取请求字符串 // 包含头和请求正文 // 获取之后直接写socket就行 function reqString() { $matches = parse_url($this->url); !isset ($matches['host']) && $matches['host'] = ''; !isset ($matches['path']) && $matches['path'] = ''; !isset ($matches['query']) && $matches['query'] = ''; !isset ($matches['port']) && $matches['port'] = ''; $host = $matches['host']; $path = $matches['path'] ? $matches['path'] . ($matches['query'] ? '?' . $matches['query'] : '') : '/'; $port = !empty ($matches['port']) ? $matches['port'] : 80; $scheme = $matches['scheme'] ? $matches['scheme'] : 'http'; $this->host = $host; $this->path = $path; $this->scheme = $scheme; $this->port = $port; $method = strtoupper($this->method); $res = "$method $path HTTP/1.1\r\n"; $res .= "Host: $host\r\n"; if ($this->header) { reset($this->header); while (list ($k, $v) = each($this->header)) { if (isset ($v) && strlen($v) > 0) $res .= "$k: $v\r\n"; } } $res .= "\r\n"; if ($this->body) { $res .= $this->body; $res .= "\r\n\r\n"; } return $res; } } // Http响应 class SinHttpResponse { public $scheme; // 协议 public $stasus; // 状态，成功的时候是ok public $code; // 状态码，成功的时候是200 public $header; // 响应头 public $body; // 响应正文 function __construct() { $this->header = array (); $this->body = null; } function setHeader($key, $val) { $this->header[$key] = $val; } } // HttpClient class SinHttpClient { public $keepcontext = true; // 是否维持会话 public $context; // 上下文 public $request; // 请求 public $response; // 响应 public $debug = false; // 是否在Debug模式， //为true的时候会打印出请求内容和相同的头部 function __construct() { $this->request = new SinHttpRequest(); $this->response = new SinHttpResponse(); $this->context = new SinHttpContext(); $this->timeout = 15; // 默认的超时为15s } // 清除上一次的请求内容 function clearRequest() { $this->request->body = ''; $this->request->setHeader('Content-Length', false); $this->request->setHeader('Content-Type', false); } // post方法 // data为请求的数据 // 为键值对的时候模拟表单提交 // 其他时候为数据提交，提交的形式为xml // 如有其他需求，请自行扩展 function post($url, $data = false) { $this->clearRequest(); if ($data) { if (is_array($data)) { $con = http_build_query($data); $this->request->setHeader('Content-Type', 'application/x-/'); // get echo $client->response->body; // echo ?>

希望本文所述对大家的php程序设计有所帮助。