$paramArr['sorttype'] = getParam('sorttype', 1);
$cachKey = md5(implode(',', $paramArr));
$nowTime = time();
$registrationList = '';
$isGetCache = false;
//判断是否从session缓存中获取数据
if (isset($_SESSION[$cachKey])) {
$cacheData = $_SESSION[$cachKey];
if ($nowTime - $cacheData['time'] <= 3 * 60) {
$registrationList = $cacheData['data'];
$isGetCache = true;
}
}
//缓存过期获取无缓存时数据库读取数据
if (!$registrationList && !$isGetCache) {
$registrationList = $registrationObj->getRegistrationList($paramArr);
$cacheArr = array('key' => $cachKey, 'time' => $nowTime, 'data' => $registrationList);
$_SESSION[$cachKey] = $cacheArr;
}
$resultJsonData = array();
if ($registrationList) {
$resultJsonData = array('status' => 200, 'message' => 'success', 'list' => $registrationList['resultList'], 'nums' => $registrationList['rowNums']);
} else {
if ($registrationObj->errorMessage) {
$resultJsonData = array('status' => 201, 'message' => $registrationObj->errorMessage, 'list' => '', 'nums' => 0);
} else {
$resultJsonData = array('status' => 202, 'message' => 'not data', 'list' => '', 'nums' => 0);
}
}
//返回json格式数据。
echo json_encode($resultJsonData);
