HttpClientphp类库-每天进步一点点-博客频道-PHP源码

GET行为比较简单，POST比较复杂一些。这里提供两种方法供选择：

第一：手写代码
第二：利用HttpClient php类库

第一种方法：代码如下：
$flag = 0;
//要post的数据
$argv = array(
&＃39;var1&＃39;=>&＃39;abc&＃39;,
&＃39;var2&＃39;=>&＃39;你好吗&＃39;);
//构造要post的字符串
foreach ($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
$fp = fsockopen("127.0.0.1",80,$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，代码如下：
$pageCOntents= HttpClient::quickPost(&＃39;http://example.com/someForm&＃39;, array(
&＃39;name&＃39; => &＃39;Some Name&＃39;,
&＃39;email&＃39; => &＃39;email@example.com&＃39;
));

使用附件的类库，也可以去官方下载最新的类库，官方地址为：https://www.php1.cn/
附加一些php httpclient的其他几个用法
静态方法获取网页
$pageCOntents= HttpClient::quickGet(&＃39;http://example.com/&＃39;);

Get方法获取
$client = new HttpClient(&＃39;example.com&＃39;);
if (!$client->get(&＃39;/&＃39;)) {
die(&＃39;An error occurred: &＃39;.$client->getError());
}
$pageCOntents= $client->getContent();

带调试的Get方法获取
$client = new HttpClient(&＃39;example.com&＃39;);
$client->setDebug(true);
if (!$client->get(&＃39;/&＃39;)) {
die(&＃39;An error occurred: &＃39;.$client->getError());
}
$pageCOntents= $client->getContent();

带自动转向的Get方法
$client = new HttpClient(&＃39;www.amazon.com&＃39;);
$client->setDebug(true);
if (!$client->get(&＃39;/&＃39;)) {
die(&＃39;An error occurred: &＃39;.$client->getError());
}
$pageCOntents= $client->getContent();

检查页面是否存在
$client = new HttpClient(&＃39;example.com&＃39;);
$client->setDebug(true);
if (!$client->get(&＃39;/thispagedoesnotexist&＃39;)) {
die(&＃39;An error occurred: &＃39;.$client->getError());
}
if ($client->getStatus() == &＃39;404&＃39;) {
echo &＃39;Page does not exist!&＃39;;
}
$pageCOntents= $client->getContent();

伪造客户端
$client = new HttpClient(&＃39;example.com&＃39;);
$client->setDebug(true);
$client->setUserAgent(&＃39;Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.3a) Gecko/20021207&＃39;);
if (!$client->get(&＃39;/&＃39;)) {
die(&＃39;An error occurred: &＃39;.$client->getError());
}
$pageCOntents= $client->getContent();

登录验证并请求一个网页
$client = new HttpClient(&＃39;example.com&＃39;);
$client->post(&＃39;/login.php&＃39;, array(
&＃39;username&＃39; => &＃39;Simon&＃39;,
&＃39;password&＃39; => &＃39;ducks&＃39;
));
if (!$client->get(&＃39;/private.php&＃39;)) {
die(&＃39;An error occurred: &＃39;.$client->getError());
}
$pageCOntents= $client->getContent();

HTTP授权
$client = new HttpClient(&＃39;example.com&＃39;);
$client->setAuthorization(&＃39;Username&＃39;, &＃39;Password&＃39;);
if (!$client->get(&＃39;/&＃39;)) {
die(&＃39;An error occurred: &＃39;.$client->getError());
}
$pageCOntents= $client->getContent();

输出头信息
$client = new HttpClient(&＃39;example.com&＃39;);
if (!$client->get(&＃39;/&＃39;)) {
die(&＃39;An error occurred: &＃39;.$client->getError());
}
print_r($client->getHeaders());

设置一个域内重定向最多次数
$client = new HttpClient(&＃39;www.amazon.com&＃39;);
$client->setDebug(true);
$client->setMaxRedirects(3);
$client->get(&＃39;/&＃39;);