????1.??EXtended Log
????Log????????????У?????Log??standard Log?????????????.?????extended log????·???runtime settings-->log-->extended log.??parameter substitution??data returned byserver??advanced trace??????????????.
????2.log???λ????????controll??к??????log?????????????￡?
??????1??vgen??runtime settings???????vgen?У????????д??????????????????????????????????ú????????????????????????????????lr_output_message??lr_error_message??lr_log_message????Щ????????? help-->function reference.
??????Σ????????runtime settings??????????always send messages??????????????runtime settings--->log-->always send messages?????????????д??Log??????????????????????У?????????????????mdrv.log.txt??output.txt?????lr_log_message?????????mdrv.log????У???lr_output_message???д???????????????
??????2??controller??runtime settings???????controller??????????runtime settings??????????????????к???????????????????????runtime settings???????á??????????????controller??design?????У????????????runtime settings???????????????????????????vgen?????????????????????????ε??????????????????????????????????log??????????н??????????????Log????У??????????????????е????????tmp????
??????Windows?????￡???????output.txt???????????У???UNIX?????￡?????????????С?
??Vuser??——??Run Time Settings??——??General??——??Log??
1????Enable logging??????????????????????г??????и?????????????
2????Send messages only when an error occurs?????????????????????????????С?????1KB????
3????Always send message???????????????
4????Standard log??????????????????????????????
??Extended log??????????
5????Parameter substitution???????????????Replay log?????????????????????
6????Data returned by server?????????????????????????
7????Advanced trace??????????????????VU???????????????к????????
????========================================
??????Replay log???????????????
????1????????????????
????2????????????????
????3???????????????
????4???????????????
????5???????????????
????========================================
?????????????
1??lr_log_message()    // ??????????????? output.txt ??
2??lr_output_message()    // ???????????????????????
3??lr_message()    // ???????????????????????
4??lr_error_message()    // ???????????????????????