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发表于 2012-11-13 08:48:12
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1判断语句
/ q" r( b; ^1 a5 G2 s' [ if <condition> then
# D$ Q/ Y {- o4 h3 h <statement sequence1>;( y& | k' ]* R- K
elseif <condition> then, Y$ f5 x0 @% }3 x
<statement sequence2>;$ m3 e" n7 R2 F9 P/ e6 {$ o
else
$ n- j; X% ?& a3 ~7 @ <statement sequence3>;+ @4 n* W; g# t8 g: ]
end;' m' i8 R9 t1 j+ c" B
如果分支比较多，用：
g# c6 @# h0 y9 Q5 S4 x$ c. M# f+ g inspect <expression>
7 f ~6 I1 G* x) P6 D when <constant_list> then) I' J$ K' N! o/ ]6 Y
<statement sequence1>;
" `7 f4 |0 p% N9 s when <constant_list> then
) ^+ L1 E5 D4 \2 v <statement sequence2>;
- p9 N2 m: O8 |/ y7 M' Y1 g ...
; F1 k, ^0 o2 [. N& l! Y" d else. J3 F' t$ m# J5 X/ t
<statement sequence3>;
% H* x5 ]3 s7 ^8 R9 u$ @+ F6 jend;
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2循环语句8 M& Y' y. C9 ^# f
(1) from <statement sequence1>
" s5 a- O Y) V9 Z4 Y until <condition> loop
3 D4 a h( o% X- C <statement sequence2>;" ^" V! Z9 v. b1 z G
end;9 c1 h; {5 i; M
(2) while <condition> loop, f- q6 o) r$ j/ a, w
<statement sequence1>;/ p' u6 z5 o$ n) c1 D% p9 z; u
end;: g9 W: N) R8 Q7 |/ D
(3) repeat
7 u/ i' f7 b7 y2 d2 E s f, a' } <statement sequence1>;
; W, H% o- s! v1 x( S, Z6 s m7 U until <condition>;/ q1 A$ D, M0 } i; R4 Y1 F) ?- v" a
(4) for <condition> to <condition> loop
0 r6 x9 P# R+ P% m# s <statement sequence1>;
+ j" @2 A- I3 E) z2 a; K- m next;+ t1 I0 f" r1 Z# L. t/ n! B1 d
3中断语句
- L6 S# T% _" X- r waituntil <condition> prio <integer expression>;
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以上为常用的函数！3 d! T( Q+ W! d9 ~
还有很多，如有需要我把资料发到你邮箱里
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