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发表于 2012-11-13 08:48:12
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1判断语句& F; d6 j& r# h2 D
if <condition> then
* \: m- [/ H7 Z* u/ [4 p8 B7 x <statement sequence1>;
7 c2 H4 L' I0 Q8 {% V7 r9 [ elseif <condition> then
7 C% r6 b: @' s7 q, A3 z" a: q) x <statement sequence2>;
/ U# C9 K) }! u; w( `/ E: ~9 @ else . s: R2 G9 D, i. l' w) S
<statement sequence3>;
) m* c! h- E: }6 J! L9 P end;
% d$ G& D$ F# U/ M+ c6 q2 ?如果分支比较多，用：
3 {+ n. K' s, B! N% g/ G inspect <expression>* k8 f% A( P$ k3 _9 U
when <constant_list> then3 p2 @5 \7 c( S& O9 u
<statement sequence1>;$ i# b& m, J* F4 ], W9 B! l
when <constant_list> then
& ^; |1 o J |. [8 G) h* A, ~ <statement sequence2>;
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else4 `; G# [7 p7 f m1 e
<statement sequence3>;
! M7 s U) h6 _5 I0 w" ~( }( \end;
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3 f1 E( v1 C9 ^! |/ x0 @2循环语句
, B9 e$ Q: Y+ X0 S (1) from <statement sequence1>
( B+ h* A6 `! K9 N1 l6 c6 ?% Q* |1 h until <condition> loop
8 t" ?# g5 i, s) ~+ ? <statement sequence2>;
1 c( s2 x& g1 s' r. |; N end;
: s0 z* o9 v7 c2 D* K% t0 r3 r" h; N (2) while <condition> loop
2 e8 j8 \$ o8 Q# E: b' { <statement sequence1>;
0 i7 u- R/ K% q) l1 X end;. D8 q& X+ J7 T$ C9 s. j
(3) repeat 5 Z9 K$ B. U) |6 a0 m2 L
<statement sequence1>;: P y% O0 e0 \9 L2 z
until <condition>;: l- O0 k$ H% j) \7 M4 \
(4) for <condition> to <condition> loop/ f0 L( x: \+ K; A" H
<statement sequence1>;
4 S' `7 k3 ~6 K1 G" {' D next;
8 G1 K" t" J% S6 \4 r2 S1 z3中断语句
0 w* a2 O2 O/ F. G2 U5 u/ n waituntil <condition> prio <integer expression>;
4 i% A* J4 P0 e; {! X4 v3 K$ j+ K% k% F& u7 y8 K! K e
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以上为常用的函数！3 I% D4 L9 t4 W8 O% p/ x, Q. Y8 q
还有很多，如有需要我把资料发到你邮箱里
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