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发表于 2012-11-13 08:48:12
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1判断语句
- O# Q( V& y& f' l. L& j5 U if <condition> then
/ o8 c3 c5 P: h0 ]) } <statement sequence1>;+ X& k) p! n$ o) t( \& \* h
elseif <condition> then2 H! W) Q9 g+ s0 q; b% y: c9 E
<statement sequence2>;
% Z; u6 |3 j) c; n7 _2 F else
% Z, }0 R, W, e* A, { <statement sequence3>;
6 Y3 C4 o+ ]3 L$ N8 h end;
8 p% n M j0 ^9 N, g如果分支比较多，用：7 b+ @! `; }/ R* ^/ K
inspect <expression>! S; |' ?1 K- T; N
when <constant_list> then5 z/ u# n" p0 S
<statement sequence1>;
2 D7 L0 n4 A! o$ N9 ^ when <constant_list> then
* G/ B4 h8 B! N% S: K/ _ <statement sequence2>;, e6 x* j' z# X$ X S2 I
... }$ o; P$ ?0 ^! L+ W v
else
y/ a4 z1 Q) U/ {. H' o <statement sequence3>;
3 F+ T) L, l! _, w/ I Fend;
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2循环语句% e; p7 |7 [7 q2 }+ z; e
(1) from <statement sequence1>' |% @' f" H; q" D1 b9 V O8 u
until <condition> loop: Y* Q# y) h' r0 E
<statement sequence2>;
7 e' n' j+ a9 ?+ a6 I/ n end;/ c6 h# C2 |% T+ S
(2) while <condition> loop6 C; `) A$ p0 T9 F& w4 F [
<statement sequence1>;
) X- w1 o9 s) @* W: J7 ~* B end;
3 z- A1 S- K) t3 `: @( t (3) repeat , h# `: [/ M, F: R
<statement sequence1>;
8 j# C2 i- [; T7 V2 e$ B6 Y until <condition>;
( R% `2 Y. }( F7 b4 B' p5 b4 m (4) for <condition> to <condition> loop
0 f( v3 T8 Z* Y2 K <statement sequence1>;
+ c! i1 o& V9 G4 c" C! s next;3 R3 a2 v' X3 n% z$ F8 G8 _
3中断语句
% b2 R6 V) l9 K* s* z waituntil <condition> prio <integer expression>;3 h) ?# N' o6 A% f
* k9 I1 [7 Q9 Y$ p% v- U! [( q; r: j, P
以上为常用的函数！; H; \3 }% ]1 ?2 _2 _9 V" E* J
还有很多，如有需要我把资料发到你邮箱里 3 l8 L: l+ n6 x
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