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PHP程序与服务器端通讯方法小结
作者:佚名 时间:2007-09-23 16:45 出处:51cto 责编:月夜寒箫
              摘要:PHP程序与服务器端通讯方法小结

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。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:

·CURL方式

·SOCKET方式

·PHP5中的SOAP方式

以下分别给出示例来实现它:

CURL方式

client.php

<?php

$psecode = ’NDE005’;

$website = ’www.abc.com’;

$amt = 1;

$pwd = 123456;

$ch = curl_init();

$curl_url = "http://ics1.server.com/index.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(’,’, $curl_result);

curl_close($ch);

print_r($result);

?>

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:

echo "OK," . $fpsecode . "," . $fbalance ;//以逗号分隔

SOCKET方式

这个要借助第三方类库HttpClient,可以到这里下载:http://scripts.incutio.com/httpclient/

<?php

require_once ’class/HttpClient.php’;

$params = array(’web’ => ’www.abc.com’,

’pwd’ => ’123456’,

’action’ => ’check’,

’pseid’ => ’NDE005’,

’amt’ => 1);

$pageContents = HttpClient::quickPost(’
http://ics.server.com/index.php’, $params);

$result = explode(’,’, $pageContents);

print_r($result);

?>

PHP5中的SOAP方式

server.php

<?php 

function getQuote($fpsecode) {

global $dbh;

$result = array();

try {

$query = "SELECT fprice, fcansale, fbalance,
 fbaltip FROM tblbalance where upper(trim(fpsecode)) 
= :psecode limit 1";

$stmt = $dbh->prepare($query);

$stmt->execute(array(’:psecode’ => strtoupper(trim($fpsecode))));

$stmt->bindColumn(’fprice’, $fprice);

$stmt->bindColumn(’fcansale’, $fcansale);

$stmt->bindColumn(’fbalance’, $fbalance);

$stmt->bindColumn(’fbaltip’, $fbaltip);

while($row = $stmt->fetch(PDO_FETCH_BOUND)) {

//

}

} catch (PDOException $e) {

echo $e->getMessage();

}

return $fprice; //你可以返回一个数组

}
 $dsn = ’pgsql:host=192.168.*.* 
port=5432 dbname=db user=123456 password=123456’;

try {

$dbh = new PDO($dsn);

} catch (PDOException $e) {

die(’Connection failed: ’ . $e->getMessage());

}

ini_set("soap.wsdl_cache_enabled", "0"); // disabling WSDL cache

$server = new SoapServer("stockquote.wsdl"); //配置文件

$server->addFunction("getQuote");

$server->handle();

?>

stockquote.wsdl

<?xml version =’1.0’ encoding =’UTF-8’ ?>

<definitions name=’StockQuote’

targetNamespace=’http://example.org/StockQuote’

xmlns:tns=’ http://example.org/StockQuote

xmlns:soap=’http://schemas.xmlsoap.org/wsdl/soap/’

xmlns:xsd=’http://www.w3.org/2001/XMLSchema’

xmlns:soapenc=’http://schemas.xmlsoap.org/soap/encoding/’

xmlns:wsdl=’http://schemas.xmlsoap.org/wsdl/’

xmlns=’http://schemas.xmlsoap.org/wsdl/’>

<message name=’getQuoteRequest’>

<part name=’symbol’ type=’xsd:string’/>

</message>

<message name=’getQuoteResponse’>

<part name=’Result’ type=’xsd:float’/>

</message>

<portType name=’StockQuotePortType’>

<operation name=’getQuote’>

<input message=’tns:getQuoteRequest’/>

<output message=’tns:getQuoteResponse’/>

</operation>

</portType>

<binding name=’StockQuoteBinding’ type=’tns:StockQuotePortType’>

<soap:binding style=’rpc’

transport=’http://schemas.xmlsoap.org/soap/http’/>

<operation name=’getQuote’>

<soap:operation soapAction=’urn:xmethods-delayed-quotes#getQuote’/>

<input>

<soap:body use=’encoded’ namespace=’urn:xmethods-delayed-quotes’

encodingStyle=’http://schemas.xmlsoap.org/soap/encoding/’/>

</input>

<output>

<soap:body use=’encoded’ namespace=’urn:xmethods-delayed-quotes’

encodingStyle=’http://schemas.xmlsoap.org/soap/encoding/’/>

</output>

</operation>

</binding>

<service name=’StockQuoteService’>

<port name=’StockQuotePort’ binding=’StockQuoteBinding’>

<soap:address location=’http://192.168.3.9/php5/server.php’/>

</port>

</service>

</definitions>

client.php

<?php 

$client = new SoapClient("stockquote.wsdl");

$result = $client->getQuote("nde005");

print_r($result);

?>
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