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发表于 2012-11-13 08:48:12
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1判断语句$ c _- g) _6 B$ u9 C
if <condition> then$ V$ k+ k% n8 \" K: }, Y! M1 @
<statement sequence1>;
' O& t) r3 P( j1 ^1 e0 S! b7 Z8 t elseif <condition> then1 r+ {- Z3 s# d% i1 ]. X
<statement sequence2>;: A8 B3 j' w2 ]) K* E! V
else
7 m l& x3 X5 } <statement sequence3>;
5 X( R- O& O4 l$ j' {! {5 f; Q5 i. p end;
9 k8 j. S' q G7 E1 }, A如果分支比较多，用：
; b( F( s4 W P inspect <expression>" t3 V C& B% K- y v( c+ `6 G! h! m
when <constant_list> then
" F5 o( e# B; J% O, W5 j <statement sequence1>;/ f, q* w& a, `! }% C# T0 k( f
when <constant_list> then
# j u% v6 f! @4 E <statement sequence2>;
1 G1 Q# Y9 k- V, ]) {' s1 G7 U% \ ...
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<statement sequence3>;
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2循环语句9 R# V, x0 s& n; g# t+ D
(1) from <statement sequence1>
$ m" ~7 W* g% n% D# K" b until <condition> loop
7 }; r+ U: m% \) j4 x, V/ p |, V1 t <statement sequence2>;0 K# T A, P$ _) r: U
end;$ w- F0 R* U# T
(2) while <condition> loop* y5 L- e# @# Q5 }0 q0 ^# Y& v
<statement sequence1>;
) I6 ?6 ^ }+ i# z: y4 w end;
' o2 v. U0 P1 G1 y9 O6 U9 f$ w+ ]. K (3) repeat A! j* ~3 ?) X5 @1 m! A: R7 E7 h1 A
<statement sequence1>;1 _! `5 L9 ?% l9 @- J8 h
until <condition>;
- [7 W0 i7 y/ j, Q2 g5 Z% K (4) for <condition> to <condition> loop
- v; k8 W$ {- ~ s7 ?- n! K% r <statement sequence1>;
2 P9 T" {* Z% C, z7 \8 m6 q7 d6 q+ Q next;+ H# M l' L' d# I: r
3中断语句
( u1 c) y/ Z5 U/ g' U, S9 l waituntil <condition> prio <integer expression>;" G/ U6 m+ Z* d& K. Z: o
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以上为常用的函数！! P4 B* J, W/ N8 H
还有很多，如有需要我把资料发到你邮箱里 3 R9 ~. N- L l {2 N
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