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发表于 2012-11-13 08:48:12
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1判断语句; l, k" M- P- d0 S% s& y) e/ ~$ l
if <condition> then
0 ]' u0 o$ I0 k6 o$ [ t- m! I/ ^. f <statement sequence1>;
3 \( ^5 \; o2 l; O8 E elseif <condition> then
1 i0 S8 X6 H+ ]3 s <statement sequence2>;
i% J' U8 N6 D9 Z6 _/ |1 Y else 7 n% T3 S, v& _, d0 l, d% g
<statement sequence3>;
/ p# S( |3 A4 D* e" Q' ]4 s7 ^ end;
! m2 j1 }1 q$ Q! ^! f' G, ]如果分支比较多，用：
: S$ e5 j# C" x! h, I: Q inspect <expression>3 q" K9 k" {6 R+ j8 x5 B+ {
when <constant_list> then; B. {: A6 |: \3 k( p' v8 W7 [9 N
<statement sequence1>;8 z0 Z/ L- D) i, X1 O+ h
when <constant_list> then
# H! n$ m* _( C9 B, G <statement sequence2>;
7 L# K; ~. g% E2 M1 k( W5 P ...
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<statement sequence3>;2 X6 X4 t$ G9 X7 C0 v
end;
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: j* A# y A' _2循环语句
3 `( K: D, c6 \$ h9 @' i4 \+ P (1) from <statement sequence1>' X4 ~- X% Q: y7 H
until <condition> loop2 R2 N9 ^6 m- N8 z; Q
<statement sequence2>;
+ t4 ]; I1 W- s m+ e8 k end;
7 W. e) o- B: b3 Z" r6 p (2) while <condition> loop
1 q, b2 ?' j3 ~; c& @) b9 w <statement sequence1>;
/ ]7 v9 t8 j9 j' m/ | J3 y1 d) | end;* R+ Z! }, r7 A
(3) repeat ' V* _) ~% g( L! }* z7 l
<statement sequence1>;
& o6 L3 O0 S6 p; Q+ n until <condition>;
& A4 h# m% O1 |, ?9 @! g (4) for <condition> to <condition> loop
2 q4 c% b+ K; Y; ?: h1 h4 } <statement sequence1>;
R7 E& q" S9 j) M next;
1 J" c5 x) p, l2 ~7 }3中断语句' J" @ W/ K: d. i4 ], b
waituntil <condition> prio <integer expression>;
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以上为常用的函数！2 s+ Q# Y& d* K' n
还有很多，如有需要我把资料发到你邮箱里
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