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PHP与服务器端通讯方法

时间:2015-02-05 09:50:24  来源:免费模板网 作者:风雪 阅读次数 tags通讯服务器方法

  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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