public function process(Vtiger_Request $request)
{
$tablePrefix = 'vtiger_';
$unique_keyword = $request->get('unique_keyword');
$sourceModule = $request->getForSql('source_module');
$record = $request->getForSql('record');
$feildName = $request->getForSql('field_name');
$moduleName = $tablePrefix . $sourceModule;
$db = PearDatabase::getInstance();
$ExcludeSql = empty($record) || $record == 'null' ? '' : " AND " . $this->getKeyField($sourceModule) . " != " . $record;
$sql = "SELECT {$feildName} FROM {$moduleName} WHERE {$feildName} = '" . $unique_keyword . "'" . $ExcludeSql;
$result = $db->query($sql);
$result = $db->num_rows($result);
$response = new Vtiger_Response();
$response->setEmitType(Vtiger_Response::$EMIT_JSON);
if (!$result) {
$response->setResult(array('success' => true, 'message' => vtranslate('LBL_RECORD_NONE')));
} else {
//存在重复记录
$response->setResult(array('success' => false, 'message' => vtranslate('LBL_RECORD_EXIST')));
}
$response->emit();
}