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发表于 2012-11-13 08:48:12
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1判断语句
) \5 q# I J$ Q* E8 _' W if <condition> then$ v- x1 R% a' q8 ?7 x
<statement sequence1>;# x' i& ~3 i. Q' H
elseif <condition> then
) B3 M! W% {6 _ <statement sequence2>;0 ^) M u8 O- y
else 5 A* w: H8 O( }3 g' I! p# {2 t
<statement sequence3>;" ]% m, U8 B! N& H5 j$ a4 T- f
end;2 i% {$ C& S+ m. [' [& Z
如果分支比较多，用：
3 z) P( ?+ V4 l) Y inspect <expression> v) x; m$ Q$ z5 u- i0 v! d" q& \
when <constant_list> then
: o6 F' }0 L+ R; I. Z6 j. | <statement sequence1>;
9 v1 P h' L( E, | when <constant_list> then
9 y1 r/ |% t7 D( v3 s <statement sequence2>;+ \4 D: Q2 E" p. s! f. r
...
3 @; G }) `9 m& k* C" [ else
, Y4 T ]* [3 C( ~ <statement sequence3>; ]- g9 \( R4 q d3 m
end;
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2循环语句
4 o, h2 v& v$ P8 z& F/ r (1) from <statement sequence1>
. d' k, Y) m$ q1 T until <condition> loop
0 x1 [/ A' m3 O. c7 k1 v+ j <statement sequence2>;
7 v# ?7 @9 n8 M3 z; T# _$ `$ m: F end;
+ {& H3 t5 \" p; R- h (2) while <condition> loop
7 K" C: l8 w! s2 \0 C. g' S2 U5 r <statement sequence1>;+ h3 I: c* J" w( Q" b
end;
8 Q6 k* y! H; \) Z2 w Y" O (3) repeat 0 m3 ~2 C0 b* I% e
<statement sequence1>;
v3 h' S, k8 W7 o8 Y until <condition>;
4 T3 X( Q2 s2 `5 A7 Z5 e- G: F (4) for <condition> to <condition> loop
/ j/ D6 A& r' p6 T9 @) K <statement sequence1>;
1 ?; b4 j" g5 O next;
+ |* F; F+ h" ^2 J4 \ Z8 \3中断语句- {1 R' W" ^% `2 k3 p4 Z
waituntil <condition> prio <integer expression>;
, f0 A, S% ?& ^" H! H4 f9 m& o; r* L) @6 D' M+ v- d
& \" p2 P& x f% ~以上为常用的函数！
4 L) l7 v, _& j/ h, l* {还有很多，如有需要我把资料发到你邮箱里 * j4 P! d5 k: ?* i$ e9 |
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