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PHP

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<?php
/**
* 请求类
* ============================================================================
* api说明
* init(),初始化函数默认给一些参数赋值如cmdno,date等。
* getGateURL()/setGateURL(),获取/设置入口地址,不包含参数值
* getKey()/setKey(),获取/设置密钥
* getParameter()/setParameter(),获取/设置参数值
* getAllParameters(),获取所有参数
* getRequestURL(),获取带参数的请求URL
* getDebugInfo(),获取debug信息
*
* ============================================================================
*
*/
class RequestHandler {
/** 网关url地址 */
var $gateUrl;
/** 密钥 */
var $key;
/** 请求的参数 */
var $parameters;
/** debug信息 */
var $debugInfo;
function __construct() {
$this->RequestHandler();
}
function RequestHandler() {
$this->gateUrl = "'https://pay.swiftpass.cn/pay/gateway";
$this->key = "";
$this->parameters = array();
$this->debugInfo = "";
}
/**
*初始化函数。
*/
function init() {
//nothing to do
}
/**
*获取入口地址,不包含参数值
*/
function getGateURL() {
return $this->gateUrl;
}
/**
*设置入口地址,不包含参数值
*/
function setGateURL($gateUrl) {
$this->gateUrl = $gateUrl;
}
/**
*获取密钥
*/
function getKey() {
return $this->key;
}
/**
*设置密钥
*/
function setKey($key) {
$this->key = $key;
}
/**
*获取参数值
*/
function getParameter($parameter) {
return isset($this->parameters[$parameter])?$this->parameters[$parameter]:'';
}
/**
*设置参数值
*/
function setParameter($parameter, $parameterValue) {
$this->parameters[$parameter] = $parameterValue;
}
/**
* 一次性设置参数
*/
function setReqParams($post,$filterField=null){
if($filterField !== null){
forEach($filterField as $k=>$v){
unset($post[$v]);
}
}
//判断是否存在空值,空值不提交
forEach($post as $k=>$v){
if(empty($v)){
unset($post[$k]);
}
}
$this->parameters = $post;
}
/**
*获取所有请求的参数
*@return array
*/
function getAllParameters() {
return $this->parameters;
}
/**
*获取带参数的请求URL
*/
function getRequestURL() {
$this->createSign();
$reqPar = "";
ksort($this->parameters);
foreach($this->parameters as $k => $v) {
$reqPar .= $k . "=" . urlencode($v) . "&";
}
//去掉最后一个&
$reqPar = substr($reqPar, 0, strlen($reqPar)-1);
$requestURL = $this->getGateURL() . "?" . $reqPar;
return $requestURL;
}
/**
*获取debug信息
*/
function getDebugInfo() {
return $this->debugInfo;
}
/**
*创建md5摘要,规则是:按参数名称a-z排序,遇到空值的参数不参加签名。
*/
function createSign() {
$signPars = "";
ksort($this->parameters);
foreach($this->parameters as $k => $v) {
if("" != $v && "sign" != $k) {
$signPars .= $k . "=" . $v . "&";
}
}
$signPars .= "key=" . $this->getKey();
$sign = strtoupper(md5($signPars));
$this->setParameter("sign", $sign);
//debug信息
$this->_setDebugInfo($signPars . " => sign:" . $sign);
}
/**
*设置debug信息
*/
function _setDebugInfo($debugInfo) {
$this->debugInfo = $debugInfo;
}
}
?>