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发表于 2012-11-13 08:48:12
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1判断语句
2 o% Y( O" y% f; e+ h# r if <condition> then
& N: I6 {& e5 W3 G <statement sequence1>;
9 z; _3 Y4 ^$ p& V# C; h! ~ elseif <condition> then8 v6 P7 T9 v1 }: n
<statement sequence2>;
* G: v0 @. p7 C" q else
( @; Q/ z: S+ a7 V. g <statement sequence3>;
6 f5 @9 a5 w+ B8 \* g, T end;4 \+ ~ O2 r+ z' E, W
如果分支比较多，用：
, G" } r" b6 Z inspect <expression>
, ?1 x3 U/ z5 R! b/ _% @' @ when <constant_list> then/ b" g0 S9 H- ]! |0 p. A+ j
<statement sequence1>;
" q/ w7 h) F% u" A% w when <constant_list> then, x6 q! f: q [8 y/ [& T7 P4 ~
<statement sequence2>;* {* d4 ^+ Q1 H+ K7 L
..., V8 M$ O- k/ g3 K7 M, m; v
else) d. j! o1 p! |. g
<statement sequence3>;
/ q0 L" h- w* q" | _end;
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7 b4 P, p! X, z- T. Z! s2 P2循环语句
5 j/ Y% N! r+ `' u (1) from <statement sequence1>
6 y; n2 v. l" E4 U0 r5 P- X until <condition> loop: _/ ]0 ?* x9 x! k( P6 I! L
<statement sequence2>;
5 r2 H1 I& n7 O# n1 V end;
1 y, P% E' s+ |7 y (2) while <condition> loop
, \- I& k9 \/ s% S b; g4 v4 K <statement sequence1>;0 l% ?! A' ^& r* z
end;3 n+ S, Q* U( k( u9 V
(3) repeat
2 d+ M6 b- h3 I0 Z <statement sequence1>;" K; ~4 x W6 G0 q" N9 \0 k
until <condition>;0 m; u6 c! u) x; L; @+ E# p
(4) for <condition> to <condition> loop7 x) x: o. L; d
<statement sequence1>;
, l- h" W9 B' G" p0 K! s next;5 ?, k4 T- S9 z/ l6 I! R
3中断语句: X) ~4 C! }" Z2 I* p
waituntil <condition> prio <integer expression>;
$ r2 J4 M$ i4 O4 Y0 W6 v& l' v' C
& H: P2 @: a0 A: ~6 p% `+ N以上为常用的函数！
, a: l0 ^; o+ k$ t* \还有很多，如有需要我把资料发到你邮箱里
. l9 C- | J( R1 M$ } F8 A9 J) P/ m/ h
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