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发表于 2012-11-13 08:48:12
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1判断语句
' b7 H& a) `0 ~, w; M* S0 q* z if <condition> then
& [+ R- `' a" j <statement sequence1>;
$ `) V: ^* j. u elseif <condition> then
3 e. l3 Z' ~# C <statement sequence2>;
3 Z( p$ S8 E S/ P. F* Z$ d else
/ ]' W, w* ?+ k <statement sequence3>;
3 b+ N- @1 H- _ end;
- Z& ^5 [3 [, R% k如果分支比较多，用：/ ?( f( s! B) I( J5 G, r" S& g" \% x
inspect <expression>
4 C& [4 }" P; O. w) e when <constant_list> then
3 i5 T" e" b5 P0 M <statement sequence1>;# s* l/ x* c3 s5 Y A
when <constant_list> then
/ A* h1 Q4 s- U/ b$ l <statement sequence2>;. C- Q1 [& w" @9 A* Z! E
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else( G- ?% b6 ^* [( E
<statement sequence3>;* k5 ?* W4 S1 A: r i+ W% x& O
end;
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% @% c+ H u6 H4 v' r, P2循环语句2 l& F% q7 j1 c9 e9 Z( G$ l
(1) from <statement sequence1>- j6 }7 {2 \* F! T% z
until <condition> loop7 X4 p6 l; d1 l9 h# o
<statement sequence2>;
' x. ] g2 N2 f9 [, A end;
7 e1 ]6 n. k4 ^6 T: z0 T1 I6 n (2) while <condition> loop
( X) S6 _) a- x% S/ Z <statement sequence1>;
- C' ~" C, K, ?- Q end;. G# l+ F* ~% e+ m9 t9 {! C7 h# y7 ~
(3) repeat * E7 N( {2 A3 X
<statement sequence1>;+ B. K1 h* M8 c, @" h$ C
until <condition>;
+ u* D9 R* g1 v (4) for <condition> to <condition> loop
1 Y& e2 q1 J+ L( g+ a, H9 r <statement sequence1>;
" m1 L8 o' L6 T/ `* g! X next;$ m; G5 [; ~6 a, g
3中断语句
5 G. _: N# g' E/ `0 O waituntil <condition> prio <integer expression>;
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以上为常用的函数！! y1 }9 U) U$ M3 \
还有很多，如有需要我把资料发到你邮箱里 C9 n% k( H$ B& v' Q; V
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