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发表于 2012-11-13 08:48:12
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1判断语句& K/ C0 r! E4 k- W8 ` f" ^
if <condition> then S2 z/ O- g4 n# w
<statement sequence1>;( r k' x, a. @3 E" h2 b- S% F
elseif <condition> then
! P4 g; q! c2 Z! f- v! b2 a <statement sequence2>;. r( F; ~9 l! Z1 ?, u% S- S# {
else
8 s- Z- K" n% M9 r' G <statement sequence3>;
9 f' V: \1 s7 T& h% [ end;
( u$ S8 s% p" N: l: Z# e如果分支比较多，用：: A+ L7 P( L" ^+ ~8 C, n) B H
inspect <expression>
0 ?0 X. m3 V; B# C) {3 U' r% Q when <constant_list> then% L% t/ q6 v/ p: n5 f% c: F
<statement sequence1>;4 [3 y j8 X u/ Z5 A
when <constant_list> then
. t8 [% N9 n3 Y" \5 H- p <statement sequence2>;, t4 |6 h7 ~) K; q- O* c# P
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else; k8 b, @. l% H: y2 z1 B. X
<statement sequence3>;
! c6 g- y. Y) b1 e9 g: U' _& e, f$ a' R2 Nend;
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9 k' {- h- ]% e( f2循环语句
/ u! b, n4 K Z' O) n (1) from <statement sequence1>/ m. ?+ n% j( y8 Z, J2 k2 g d$ O8 B
until <condition> loop* t9 S: }1 O$ q/ b: F; E
<statement sequence2>;
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(2) while <condition> loop
! A C p0 _. B) `- c+ H% j <statement sequence1>;- `$ F1 v. B. O6 ^1 ^- ~
end;$ p1 Z2 m# K7 \. J i& I
(3) repeat
/ H$ D* V! T! S <statement sequence1>;* U6 ~, N' b/ a/ d
until <condition>;: K B& w" D' U6 Y% g& A1 Y
(4) for <condition> to <condition> loop/ t2 A+ L) Z, K
<statement sequence1>;: Q1 u! i8 e" S2 }( n, ?2 ^
next;' p$ f2 y) ~8 B( e- l- [& H, y
3中断语句
% d$ C+ s6 v) |& Y# k7 E5 r waituntil <condition> prio <integer expression>;# k" V$ R; ?* X* E( G( }
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5 p9 T; R3 I8 H" I2 ~以上为常用的函数！* _' A0 m _; V! G( O4 R7 \1 s
还有很多，如有需要我把资料发到你邮箱里
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