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发表于 2012-11-13 08:48:12
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1判断语句1 e N) a, Y% K7 h6 g! o
if <condition> then
/ r2 \2 x/ `6 b" ]/ z9 E <statement sequence1>;4 ]4 B) k, V, w3 T
elseif <condition> then
' E8 B% J; q1 X% ~ <statement sequence2>;+ V- ^6 T$ @9 l
else
: i- R0 {/ n7 H# ]# W <statement sequence3>;& L! O# L' c+ |0 a2 C
end;- s) S/ D' @; e4 ]! F+ R
如果分支比较多，用：) X7 i$ S( c' P( t7 \* o
inspect <expression>6 t) E! z; |: X
when <constant_list> then9 s$ M/ n b6 P' y8 z( p
<statement sequence1>;
O! p' `! e- ^+ ]& ]- ^4 s when <constant_list> then
5 ]% r0 @0 t. G5 x: c <statement sequence2>;2 b. }/ t$ X; L5 s, z9 ?; ~, c
...& r7 w5 [5 w! }' J2 g9 @; t
else
8 |8 e! g6 Y) p2 t% U: J# ` <statement sequence3>;" M8 z- R7 z$ L$ O
end;+ b3 I8 `! ]4 _( B1 U
% R' V5 b) @2 d. I" K2循环语句
) c5 L3 [# K o$ F$ y (1) from <statement sequence1>
6 {9 I: s# s: y until <condition> loop% Y4 u/ T' Y f. b: l
<statement sequence2>;) e* k. _/ | H- t6 L
end;
% R) G Y9 M& @) p0 t9 C (2) while <condition> loop1 r$ z" v) N ^
<statement sequence1>;
1 g: w. x) f, @! U- ` end;' S4 _6 q( \3 I; e8 K
(3) repeat
5 D# _/ M o3 A) L$ d* M W) ?( ?8 G <statement sequence1>;- p3 q; R7 b; U: [
until <condition>;
3 T7 i3 Y) ]5 i (4) for <condition> to <condition> loop
1 D* Y" C y' g4 x ?+ V6 g7 z D <statement sequence1>;' Q. Q T+ M& h
next;
! K8 b# Q8 X$ x8 R7 _) ]* H3中断语句
( e6 D0 A, A' k7 ? waituntil <condition> prio <integer expression>;) d( D: x8 ~: D( f* W
2 |. [/ L" y/ E( N P3 B7 J$ B, c
以上为常用的函数！
3 x7 h; Q) ~0 M) x$ C* W$ @4 E还有很多，如有需要我把资料发到你邮箱里 + k+ g S4 r, L$ g
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