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发表于 2012-11-13 08:48:12
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1判断语句" b, p1 W" v! J
if <condition> then& E9 @& ?. C+ [, a+ V2 U
<statement sequence1>;0 P9 b- C' n: R; r8 M% O( t
elseif <condition> then
" o9 j M; z8 u <statement sequence2>;
3 a M5 k; }6 H1 F/ d; f5 P# O- |- r else
' f- h" l7 w- [' u/ g <statement sequence3>;/ m; z. U' e5 I: G; `+ L3 l
end;1 Z" P P$ G$ Z
如果分支比较多，用：9 N0 i' N( Z6 ^3 L2 l$ L- F
inspect <expression>
. W7 a8 R. Z* }& ?2 X I G. j- d when <constant_list> then
) E; e; f) K* U$ o' X1 A) j <statement sequence1>;" G, N" }' \" g! J7 @ I
when <constant_list> then
9 x% _( F/ l1 L- ~: S z! T/ N <statement sequence2>;% O4 d, `$ F% |6 F: T1 H! H0 L
...
( j% e. H6 ~3 N! B6 A else
: K; F% b. F) o; y5 p! I <statement sequence3>;
5 k7 T/ Y+ ?% D! y: r send;. S0 W! e% @ Y; Q# b
I3 c4 k6 M; b/ D% M5 b& }3 l: K2循环语句
2 {6 k) T) W6 C3 _ (1) from <statement sequence1># A0 E( }+ I& t+ N
until <condition> loop
8 o* l$ ]: Z* E, i4 H <statement sequence2>;- y3 x5 J+ K% {. _
end;
' N' D! x" B3 v! b; y- h+ q* Q% M (2) while <condition> loop! i. _- z( G$ W! \9 z1 |, v
<statement sequence1>; r1 m& c% ?: H8 x e
end;+ R% q- h; Z3 O$ f% ~& N
(3) repeat
' ~0 _& ~& q# ^" J1 {8 |4 f' y <statement sequence1>;
& i" t" S2 B& r until <condition>;
- F9 Y3 T0 |! d6 B1 _# u (4) for <condition> to <condition> loop- ^6 W3 i- t: N9 f" ~
<statement sequence1>;
1 X" r9 g9 M' l7 U* I next;7 [7 M8 u; x; p/ ]
3中断语句
/ d5 n5 p! b& X waituntil <condition> prio <integer expression>;
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以上为常用的函数！# ]. G8 ?+ e, M4 j6 R6 a/ l
还有很多，如有需要我把资料发到你邮箱里
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