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发表于 2012-11-13 08:48:12
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1判断语句. ]! J9 Q+ ^: u0 t, u
if <condition> then
4 n9 g& ~% L9 q, j <statement sequence1>;7 C- P) W0 `7 B( L& P
elseif <condition> then
8 _2 y+ m$ x$ g9 [ <statement sequence2>;
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<statement sequence3>; J" w+ {6 y$ _/ x
end;
& J. L8 u+ b% F2 `如果分支比较多，用：/ ]' G' }) b0 l7 o7 y+ l
inspect <expression>+ q8 B; z$ \8 s; E5 ^
when <constant_list> then
8 \: C" L, P7 l' u# \9 z% l& L2 h <statement sequence1>;, N' j+ B- T5 m9 ~; h
when <constant_list> then+ W6 s+ C' C4 M; y/ c; A; Y# r2 w$ w
<statement sequence2>;: y3 X7 `* ^: |6 |2 Y
...
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<statement sequence3>;
3 e2 ]& d( ~1 d' [& Fend;2 ]& r8 k' {% k9 c% N+ M1 G& R
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2循环语句! }! B% ]2 K' z# i4 o% b% ~
(1) from <statement sequence1>2 o5 e! b, R2 l9 v# Z
until <condition> loop
+ E% b& W' ^# J# J7 c3 W <statement sequence2>;. D: H3 m, L: \
end;4 S# \; c) l) d4 k0 S W# p' p
(2) while <condition> loop
+ h) @0 n l; B* v4 d' \+ ^( o! ? <statement sequence1>;
2 D+ {: T* d& B& H: R$ P" @& z end;
7 b f7 \0 V8 b5 ? (3) repeat 7 [* Y7 a4 w. E, X* `, g+ ]
<statement sequence1>;+ u o. H a' z( ^
until <condition>;& P1 | v8 G. _; l7 P. `$ \4 s
(4) for <condition> to <condition> loop& P& J- m1 F3 a' S- I% V( ?
<statement sequence1>;
4 H/ }3 x& E$ D1 B z& X next;+ X3 h& U8 B, z7 X
3中断语句* |& s; l6 G$ |; o
waituntil <condition> prio <integer expression>;
y. s& M/ ^6 i' c0 A0 a- B- Z8 T1 x z N- J/ T2 W
; ]! e/ i; {8 W2 S' a8 v以上为常用的函数！
! Z& l6 d- f; X5 x还有很多，如有需要我把资料发到你邮箱里 3 ~" p% a4 X- \. ?# c
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