class HttpTool

{

/**

* //获取域名或主机地址

* #测试网址: http://localhost:8081/test/testurl.php?id=5

* 返回 localhost:8081

*/

public function getHost()

{

return $_SERVER['HTTP_HOST'];

}

/**

* 当前页面的url(包括参数)

*/

public function getWebUrl()

{

$pageURL = 'http';

if (isset($_SERVER["HTTPS"]) && $_SERVER["HTTPS"] == "on")

{

$pageURL .= "s";

}

$pageURL .= "://";

$pageURL .= $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];

return $pageURL;

}

/**

*

* 当前页面的url(不包括参数)

*/

public function getWebPath()

{

$pageURL = 'http';

if (isset($_SERVER["HTTPS"]) && $_SERVER["HTTPS"] == "on")

{

$pageURL .= "s";

}

$pageURL .= "://";

$pageURL .= $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF'];

return $pageURL;

}

/**

* 当前页面的父路径

*/

public function getWebParentPath()

{

$pageURL = 'http';

if (isset($_SERVER["HTTPS"]) && $_SERVER["HTTPS"] == "on")

{

$pageURL .= "s";

}

$pageURL .= "://";

$pageURL .= $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF'];

$pageURL = substr($pageURL, 0, strrpos($pageURL, "/"));

return $pageURL;

}

/**

* 服务器名称

*/

public function getServerName()

{

return $_SERVER['SERVER_NAME'];

}

/**

* 端口

*/

public function getServerPort()

{

return $_SERVER["SERVER_PORT"];

}

/**

* 链接参数，问号?后的参数

*/

public function getQueryString()

{

return $_SERVER['QUERY_STRING'];

}

/**

* 请求地址，返回值不host内容

*/

public function getRequestUri()

{

return $_SERVER['REQUEST_URI'];

}

}

$http = new HttpTool();

echo "host===============".$http->getHost() . "
";

echo "weburl=============".$http->getWebUrl() . "
";

echo "webPath============".$http->getWebPath() . "
";

echo "getWebParentPath===".$http->getWebParentPath() . "
";

echo "getServerName======".$http->getServerName() . "
";

echo "getServerPort======".$http->getServerPort() . "
";

echo "getQueryString=====".$http->getQueryString() . "
";

echo "getRequestUri======".$http->getRequestUri() . "
";

?>

测试地址：http://localhost:8081/test/httptool.php?name=penngo

输出结果：

host===============localhost:8081

weburl=============http://localhost:8081/test/httptool.php?name=penngo

webPath============http://localhost:8081/test/httptool.php

getWebParentPath===http://localhost:8081/test

getServerName======localhost

getServerPort======8081

getQueryString=====name=penngo

getRequestUri======/test/httptool.php?name=penngo