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php爱好者> php文档>php精华：php模拟post行为代码总结

php精华：php模拟post行为代码总结

时间：2011-01-13 来源：skyaspnet

　　第一种方法：

PHP代码

<？PHP
    $flag = 0;
    //要post的数据
$argv = array(
     'var1'=>'abc',
     'var2'=>'你好吗');
//构造要post的字符串
foreach ($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
     $fp = fsockopen("127.0.0.1",80,$errno,$errstr,10) or exit($errstr."--->".$errno);
     //构造post请求的头
     $header = "POST /mobile/try.php HTTP/1.1";
     $header .= "Host:127.0.0.1";
     $header .= "Referer:/mobile/sendpost.php";
     $header .= "Content-Type: application/x-www-form-urlencoded";
     $header .= "Content-Length: ".$length."";
     $header .= "Connection: Close";
     //添加post的字符串
     $header .= $params."";
     //发送post的数据
     fputs($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 == "")) {
                 $inheader = 0;
             }
             if ($inheader == 0) {
                 echo $line;
             }
     }
fclose($fp);
?>

　第二种方法是：使用httpclient类

　　PHP代码

$pageContents = HttpClient::quickPost('http://example.com/someForm', array(
    'name' => 'Some Name',
    'email' => '[email protected]'
));

　　使用httpclient类库，可以去官方下载最新的类库，官方地址为：http://scripts.incutio.com/httpclient/index.php

　　附加一些点php httpclient的其他几个用法

　　静态方法获取网页：

　　PHP代码

$pageContents = HttpClient::quickGet('http://bankcha.com')

　　Get方法获取

　　PHP代码

$client = new HttpClient('bankcha.com');
if (!$client->get('/')) {
    die('An error occurred: '.$client->getError());
}
$pageContents = $client->getContent();

带调试的Get方法获取

　　PHP代码

$client = new HttpClient('bankcha.com');
$client->setDebug(true);
if (!$client->get('/')) {
    die('An error occurred: '.$client->getError());
}
$pageContents = $client->getContent();

　带自动转向的Get方法

　　PHP代码

　　$client = new HttpClient('www.bankcha.com');
$client->setDebug(true);
if (!$client->get('/')) {
    die('An error occurred: '.$client->getError());
}
$pageContents = $client->getContent();

　　检查页面是否存在

　　PHP代码

$client = new HttpClient('bankcha.com');
$client->setDebug(true);
if (!$client->get('/thispagedoesnotexist')) {
    die('An error occurred: '.$client->getError());
}
if ($client->getStatus() == '404') {
    echo 'Page does not exist!';
}
$pageContents = $client->getContent();

　　伪造客户端

　　PHP代码

$client = new HttpClient('bankcha.com');
$client->setDebug(true);
$client->setUserAgent('Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.3a) Gecko/20021207');
if (!$client->get('/')) {
    die('An error occurred: '.$client->getError());
}
$pageContents = $client->getContent();

　　登录验证并请求一个网页

　　PHP代码

$client = new HttpClient('bankcha.com');
$client->post('/login.php', array(
    'username' => 'Simon',
    'password' => 'ducks'
));
if (!$client->get('/private.php')) {
    die('An error occurred: '.$client->getError());
}
$pageContents = $client->getContent();

　　HTTP授权

　　PHP代码

$client = new HttpClient('bankcha.com');
$client->setAuthorization('Username', 'Password');
if (!$client->get('/')) {
    die('An error occurred: '.$client->getError());
}
$pageContents = $client->getContent();

输出头信息

　　PHP代码

$client = new HttpClient('bankcha.com');
if (!$client->get('/')) {
    die('An error occurred: '.$client->getError());
}
print_r($client->getHeaders());

　设置一个域内重定向最多次数

　　PHP代码

$client = new HttpClient('www.bankcha.com');
$client->setDebug(true);
$client->setMaxRedirects(3);
$client->get('/');

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