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发表于 2012-11-13 08:48:12
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1判断语句
0 _% L {" S- ?' |3 k% F2 a5 z% y) @ if <condition> then
0 B5 t2 ~& H. B <statement sequence1>;$ X; X% Q: [7 v3 _
elseif <condition> then
% f' P4 K# {5 Y <statement sequence2>;$ a$ k9 ?" f: l; ~' Y. V
else
) S# k- B9 _, V2 B5 E3 } W <statement sequence3>;. Y' x2 D+ Y( ^, e
end; U1 o7 X M7 U. n! {% b5 C
如果分支比较多，用：
# K( H- V% z" m) Z7 G! @ inspect <expression>9 J; w. ~% \/ w
when <constant_list> then
% ^ R. H8 l) Z' Y6 r <statement sequence1>;
" Q( n/ g' `4 b& c when <constant_list> then" W' i" L# V7 F: }
<statement sequence2>;6 K3 n. f3 q: u2 b' U: \9 A
...3 g, G5 P: n2 C% G k. J# D. }
else
2 m9 {: |9 K* p" K& R5 y <statement sequence3>;
1 X5 B' ~4 A N* o5 m: \1 }, Fend;
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2循环语句( p/ ?* `% }" A9 Q+ T& J
(1) from <statement sequence1>) f! W# x F$ _8 |& C) }3 L9 N
until <condition> loop. t+ I- z* C L& w3 k
<statement sequence2>;
" u5 w& U! E& L+ c& O end;
7 ]* W6 G7 f$ n$ g1 {6 Y7 N' p s1 Q (2) while <condition> loop
5 v/ U: i' ]3 u0 D& Y <statement sequence1>;; Q. m# ^4 r7 \1 r
end;# L+ g5 \9 l) Y* Q
(3) repeat 9 E- n9 z# E1 [0 L9 G3 s+ Z
<statement sequence1>;9 D0 ? X4 j# t% N
until <condition>;6 P# ~$ X, w/ }# g6 Z8 E0 m
(4) for <condition> to <condition> loop
6 F( x& v4 Z" s8 m! l <statement sequence1>;# {+ F" o) l1 e4 a1 q
next;
+ F6 F' w+ h9 ^ X' R" Y3中断语句1 ]/ i6 L* [9 E% ]1 L8 `7 d$ U
waituntil <condition> prio <integer expression>;- t4 {! @' C" {6 `- o) B7 u
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以上为常用的函数！( j+ r0 g! U& E
还有很多，如有需要我把资料发到你邮箱里 2 K# n. B$ v( G' E; h
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