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PHP程序与服务器端通讯方法小结

时间：2008-5-31    作者：Deri    分类： 分享 

   <p>　　假设有10个网站，分布在各地，它们的库存要同步，而数据库不支持远程连接。</p><p>　　我们要实时地取得服务器的库存数，可以通过很多种方法，我所知道的有以下几种：</p><p>　　・CURL方式</p><p>　　・SOCKET方式</p><p>　　・PHP5中的SOAP方式</p><p>　　以下分别给出示例来实现它：</p><p>　　CURL方式</p><p>　　client.php</p><code>＜?php<br />$psecode = ’NDE005’;<br />$website = ’www.abc.com’;<br />$amt = 1;<br />$pwd = 123456;<br />$ch = curl_init();<br />$curl_url = "http://ics1.server.com/index.php?web=" . $website .<br />"&pwd=" . $pwd . "&action=check&pseid=" . $psecode .<br />"&amt=" . $amt;<br />curl_setopt($ch, CURLOPT_URL, $curl_url);<br />curl_setopt($ch, CURLOPT_POST, 1);<br />curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);//不直接输出，返回到变量<br />$curl_result = curl_exec($ch);<br />$result = explode(’,’, $curl_result);<br />curl_close($ch);<br />print_r($result);<br />?＞</code></p><p>　　服务器端只需按一定的格式输出，然后客户端按此格式接收就可以了如：</p><code>echo "OK," . $fpsecode . "," . $fbalance ;//以逗号分隔</code></p><p>　　SOCKET方式</p><p>　　这个要借助第三方类库HttpClient,可以到这里下载：http://scripts.incutio.com/httpclient/</p><code>＜?php<br />require_once ’class/HttpClient.php’;<br />$params = array(’web’ =＞ ’www.abc.com’,<br />’pwd’ =＞ ’123456’,<br />’action’ =＞ ’check’,<br />’pseid’ =＞ ’NDE005’,<br />’amt’ =＞ 1);<br />$pageContents = HttpClient::quickPost(’http://ics.server.com/index.php’, $params);<br />$result = explode(’,’, $pageContents);<br />print_r($result);<br />?＞</code></p>
<p> </p>

   <p>　　PHP5中的SOAP方式</p><p>　　server.php</p><code>＜?php<br />function getQuote($fpsecode) {<br />global $dbh;<br />$result = array();<br />try {<br />$query = "SELECT fprice, fcansale, fbalance, fbaltip FROM tblbalance where upper(trim(fpsecode)) = :psecode limit 1";<br />$stmt = $dbh-＞prepare($query);<br />$stmt-＞execute(array(’:psecode’ =＞ strtoupper(trim($fpsecode))));<br />$stmt-＞bindColumn(’fprice’, $fprice);<br />$stmt-＞bindColumn(’fcansale’, $fcansale);<br />$stmt-＞bindColumn(’fbalance’, $fbalance);<br />$stmt-＞bindColumn(’fbaltip’, $fbaltip);<br />while($row = $stmt-＞fetch(PDO_FETCH_BOUND)) {<br />//<br />}<br />} catch (PDOException $e) {<br />echo $e-＞getMessage();<br />}<br />return $fprice; //你可以返回一个数组<br />}<br />$dsn = ’pgsql:host=192.168.*.* port=5432 dbname=db user=123456 password=123456’;<br />try {<br />$dbh = new PDO($dsn);<br />} catch (PDOException $e) {<br />die(’Connection failed: ’ . $e-＞getMessage());<br />}<br />ini_set("soap.wsdl_cache_enabled", "0"); // disabling WSDL cache<br />$server = new SoapServer("stockquote.wsdl"); //配置文件<br />$server-＞addFunction("getQuote");<br />$server-＞handle();<br />?＞</code></p><p>　　stockquote.wsdl</p><code>＜?xml version =’1.0’ encoding =’UTF-8’ ?＞<br />＜definitions name=’StockQuote’<br />targetNamespace=’http://example.org/StockQuote’<br />xmlns:tns=’ http://example.org/StockQuote ’<br />xmlns:soap=’http://schemas.xmlsoap.org/wsdl/soap/’<br />xmlns:xsd=’http://www.w3.org/2001/XMLSchema’<br />xmlns:soapenc=’http://schemas.xmlsoap.org/soap/encoding/’<br />xmlns:wsdl=’http://schemas.xmlsoap.org/wsdl/’<br />xmlns=’http://schemas.xmlsoap.org/wsdl/’＞<br />＜message name=’getQuoteRequest’＞<br />＜part name=’symbol’ type=’xsd:string’/＞<br />＜/message＞<br />＜message name=’getQuoteResponse’＞<br />＜part name=’Result’ type=’xsd:float’/＞<br />＜/message＞<br />＜portType name=’StockQuotePortType’＞<br />＜operation name=’getQuote’＞<br />＜input message=’tns:getQuoteRequest’/＞<br />＜output message=’tns:getQuoteResponse’/＞<br />＜/operation＞<br />＜/portType＞<br />＜binding name=’StockQuoteBinding’ type=’tns:StockQuotePortType’＞<br />＜soap:binding style=’rpc’<br />transport=’http://schemas.xmlsoap.org/soap/http’/＞<br />＜operation name=’getQuote’＞<br />＜soap:operation soapAction=’urn:xmethods-delayed-quotes#getQuote’/＞<br />＜input＞<br />＜soap:body use=’encoded’ namespace=’urn:xmethods-delayed-quotes’<br />encodingStyle=’http://schemas.xmlsoap.org/soap/encoding/’/＞<br />＜/input＞<br />＜output＞<br />＜soap:body use=’encoded’ namespace=’urn:xmethods-delayed-quotes’<br />encodingStyle=’http://schemas.xmlsoap.org/soap/encoding/’/＞<br />＜/output＞<br />＜/operation＞<br />＜/binding＞<br />＜service name=’StockQuoteService’＞<br />＜port name=’StockQuotePort’ binding=’StockQuoteBinding’＞<br />＜soap:address location=’http://192.168.3.9/php5/server.php’/＞<br />＜/port＞<br />＜/service＞<br />＜/definitions＞<br />client.php<br />＜?php<br />$client = new SoapClient("stockquote.wsdl");<br />$result = $client-＞getQuote("nde005");<br />print_r($result);<br />?＞</code></p>