C++程序问题
1. Acct::exe(MsgPack *msg){
if(charEqual(msg->action, "login")){
this->login(msg);
2.if(msg->rowSize(0) < 2){
g_log.logWarning("userLogin: param not enough !");
return;
3.string sql = "select UserID,Passwd,Status,LockReason,LockTime,UNIX_TIMESTAMP(Birthday),OneDayTime,UNIX_TIMESTAMP(CurrDay),CurrDayCumulativeTime";
sql += ",ParentCtlOption,FullName,Cash,GM,UNIX_TIMESTAMP(VIPDate),CheckStr,AllOnlineTime,LoginErrorTimes,UNIX_TIMESTAMP(LockTime),UNIX_TIMESTAMP(ActiveTime) from User where UserName='";
sql += g_db->parseSql(userName);
sql += "'";
ret = g_db->fullQuery(sql.c_str());
if(ret < 0){
msgBegin();
msgAddValue(msg->action);
msgAddValue("0");
msgEnd();
return;
上面3段程序每句程序都是什么意思,谁能具体解释下