function?newstage=computermove（stage）
%?電腦落棋子

poscorner?=?[1?3?7?9];??????%四個(gè)角位
posedge???=?[2?6?4?8];??????%四個(gè)邊位
poscenter?=?5;????????????%中心位

if?pickwinspot（stage）;??????????%?;檢查制勝點(diǎn)
????%?choose?the?spot?to?win?it!
????posl?=?pickwinspot（stage）;
elseif?findlosespot（stage）;?????%;檢查威脅點(diǎn)
????%?block?it!
????posl?=?findlosespot（stage）;
elseif?stage（poscenter）?==?0????%;占據(jù)中心
????%?play?the?center
????posl?=?poscenter;
elseif?oppositecorner（stage）;???%;占據(jù)對(duì)角位
????%?opposite?corner
????posl?=?oppositecorner（stage）;
elseif?stage（poscenter）==1
???????if?emptycorner（stage）?%;占據(jù)相關(guān)空角位
????????????%?play?a?corner
????????????posl?=?emptycorner（stage）;
???????elseif?any（stage（poscorner）??==?0）?%;占據(jù)空角位
????????????%?play?a?corner
????????????posl?=?poscorner（find（stage（poscorner）??==?0?1））;
???????elseif?emptyedge（stage）?%;占據(jù)相關(guān)邊位
????????????%play?middle?spot?of?an?edge
????????????posl?=?emptyedge（stage）;
????????else???????????????????????????%?:占據(jù)邊位
????????????%?play?middle?spot?of?an?edge?
????????????posl?=?posedge（find（stage（posedge）??==?0?1））;
???????end;?
elseif?stage（poscenter）==2
?????if?emptycorner（stage）;?%;占據(jù)相關(guān)空角位
????????%?play?a?corner
????????posl?=?emptycorner（stage）;
?????elseif?emptyedge（stage）;?%;占據(jù)相關(guān)邊位
????????%play?middle?spot?of?an?edge
????????posl?=?emptyedge（stage）;
?????elseif?any（stage（poscorner）??==?0）?%;占據(jù)空角位
????????%?play?a?corner
????????posl?=?poscorner（find（stage（poscorner）??==?0?1））;
????else???????????????????????????%?:占據(jù)邊位
????%?play?middle?spot?of?an?edge?
????posl?=?posedge（find（stage（posedge）??==?0?1））;
?????end
end;


stage（posl）?=?2;
newstage?=?stage;

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件???????1902??2012-10-10?14:37??井字棋\computermove.m

?????文件????????193??2012-10-10?14:40??井字棋\drawCir.m

?????文件????????173??2012-10-10?14:41??井字棋\drawCross.m

?????文件????????558??2012-10-09?20:59??井字棋\drawStage.m

?????文件????????399??2012-10-10?14:41??井字棋\emptycorner.m

?????文件????????389??2012-10-10?14:38??井字棋\emptyedge.m

?????文件????????282??2012-10-09?16:08??井字棋\findlosespot.m

?????文件????????458??2012-10-10?12:30??井字棋\jingziqi.m

?????文件????????261??2012-10-10?09:44??井字棋\oppositecorner.m

?????文件????????281??2012-10-09?16:09??井字棋\pickwinspot.m

?????文件????????352??2012-10-09?14:07??井字棋\playermove.m

?????文件????????204??2012-10-09?16:10??井字棋\whowon.m

?????文件????????161??2012-10-10?14:48??井字棋\說明.txt

?????目錄??????????0??2012-10-10?14:47??井字棋

-----------?---------??----------?-----??----

?????????????????5613????????????????????14