PHP怎么模拟http请求

PHP模拟http请求的方法：首先创建两个文件“post.php”和“getpost.php”；然后在本机81端口下进行测试；最后借助第三方类库HttpClient模拟http请求即可。

PHP怎么模拟http请求？

本文实例讲述了PHP模拟http请求的方法。分享给大家供大家参考，具体如下：

方法一：利用php的socket编程来直接给接口发送数据来模拟post的操作。

建立两个文件post.php,getpost.php

post.php内容如下：

<?php
 $flag = 0;
 $params = &#39;&#39;;
 $errno = &#39;&#39;;
 $errstr = &#39;&#39;;
 //要post的数据
$argv = array(
  &#39;var1&#39;=>&#39;abc&#39;,
  &#39;var2&#39;=>&#39;how are you , my friend??&#39;);
//构造要post的字符串
foreach ($argv as $key=>$value) {
  if ($flag!=0) {
    $params .= "&";
    $flag = 1;
  }
  $params.= $key."="; $params.= urlencode($value);
  $flag = 1;
  }
  $length = strlen($params);
   //创建socket连接
  $fp = fsockopen("localhost",81,$errno,$errstr,10) or exit($errstr."--->".$errno);
  //构造post请求的头
  $header = "POST /flandy/getpost.php HTTP/1.1\r\n";
  $header .= "Host:127.0.0.1\r\n";
  $header .= "Referer:/flandy/post.php\r\n";
  $header .= "Content-Type: application/x-www-form-urlencoded\r\n";
  $header .= "Content-Length: ".$length."\r\n";
  $header .= "Connection: Close\r\n\r\n";
  //添加post的字符串
  $header .= $params."\r\n";
  //发送post的数据
  fputs($fp,$header);
  $inheader = 1;
  while (!feof($fp)) {
    $line = fgets($fp,1024); //去除请求包的头只显示页面的返回数据
    if ($inheader && ($line == "\n" || $line == "\r\n")) {
       $inheader = 0;
    }
    if ($inheader == 0) {
     echo $line;
    }
  }
fclose($fp);
?>

getpost.php的内容如下:

<?php
echo "this is the data posted";
echo "<pre class="brush:php;toolbar:false">";
print_r($_REQUEST);
echo "

"; ?>

结果输出：

this is the data posted
Array
(
  [var1] => abc
  [var2] => how are you , my friend??
)

以上代码在本机81端口下已经通过测试。

方法二：使用PHP的curl扩展或HttpClient.class.php类，这两个非常类似，下面简单的列出curl的实现代码。

两个文件post2.php和getpost2.php

post2.php的内容如下：

<?php
$psecode = &#39;NDE005&#39;;
$website = &#39;www.baidu.com&#39;;
$amt = 1;
$pwd = 123456;
$ch = curl_init();
$curl_url = "http://localhost:81/flandy/getpost2.php?web=" . $website .
"&pwd=" . $pwd . "&action=check&pseid=" . $psecode .
"&amt=" . $amt;
curl_setopt($ch, CURLOPT_URL, $curl_url);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);//不直接输出，返回到变量
$curl_result = curl_exec($ch);
$result = explode(&#39;,&#39;, $curl_result);
curl_close($ch);
print_r($result);
?>

getpost2.php的内容如下：

<?php
echo "returndata<br>";
echo "<pre class="brush:php;toolbar:false">";
print_r($_REQUEST);
echo "

"; ?>

结果输出：

Array ( [0] => returndata
Array
(
  [web] => 'wwwbaiducom'
  [pwd] => 123456
  [action] => check
  [pseid] => 'NDE005'
  [amt] => 1
)
)

方法三：这个要借助第三方类库HttpClient

可以到这里下载：http://scripts.incutio.com/httpclient/

或者点击此处本站下载。

<?php
require_once &#39;HttpClient.class.php&#39;;
$params = array(&#39;web&#39; => &#39;www.baidu.com&#39;,
&#39;pwd&#39; => &#39;123456&#39;,
&#39;action&#39; => &#39;check&#39;,
&#39;pseid&#39; => &#39;NDE005&#39;,
&#39;amt&#39; => 1);
$pageContents = HttpClient::quickPost(&#39;http://localhost:81/flandy/getpost3.php&#39;, $params);
$result = explode(&#39;,&#39;, $pageContents);
print_r($result);
?>

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