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发表于 2012-11-13 08:48:12
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1判断语句
: E3 _" J, q5 _+ T, [# N; ` if <condition> then
: m0 g% H, x, n6 _4 w0 F! w: v <statement sequence1>;3 \6 \2 Y! d) H- s9 X1 }* [
elseif <condition> then
7 |4 A( U! \2 s% Y' I <statement sequence2>;
- [2 b; |9 T) o8 o. @# ] else
% ]) ~& E1 n+ r* Y1 v <statement sequence3>;% T0 R2 U& K5 `" g& h
end;7 l% V# j7 w \7 Y
如果分支比较多，用：& B7 |4 C/ y2 Z6 a$ G( ]0 C* V
inspect <expression>
0 f' q$ R! a# h2 s: ^ when <constant_list> then. s/ S. K0 a( v* ]# j
<statement sequence1>;
- d6 e4 f6 n5 |% c$ r- I! Z when <constant_list> then5 r* u4 i) Z7 d6 a8 @
<statement sequence2>;6 ` X U3 z" @& H
...
4 N+ i8 o& @. ~* f/ C0 q/ @ else
/ z/ O1 H0 |/ x+ p3 N; z <statement sequence3>;
/ `8 n1 e. Y& X6 u0 }/ G1 W1 S: Aend;. S" c& h: }# T& r3 f
/ w% a4 u7 H6 Z4 d7 m( w2循环语句' @* U- U5 l& _; ^
(1) from <statement sequence1>
6 D& p) d1 ^+ g& S$ l% k until <condition> loop( K4 }9 Y9 U, R+ {0 v
<statement sequence2>;
+ d' l/ t; V+ s( j: O end;# t. W: q( w J
(2) while <condition> loop, ~' ^! Q2 I8 p8 Y5 v6 E
<statement sequence1>;
8 \# {8 H- R% O9 S7 Z end;
7 P/ C. j% [- Y (3) repeat ) d. }$ G% B+ Z& \* ]
<statement sequence1>;
1 @9 E% t* e; R" a until <condition>;) N* [* Y5 E# [3 N' \1 l% ~7 @5 t) \
(4) for <condition> to <condition> loop
& Y6 Y' `* k, H1 @2 q <statement sequence1>;
6 z% c v! A2 s7 t# A next;
% D+ v( Y+ v3 Y2 `# ^: n3中断语句
, W6 l! }4 d" d) W6 q8 T6 L" H8 ? waituntil <condition> prio <integer expression>;
7 T8 o; z0 G) b; N) G* U" ]0 f/ D6 H% e% B2 o+ {
! E6 I% @3 Q- s2 K6 |- m4 I
以上为常用的函数！
- f' M; }3 H4 P4 y; W还有很多，如有需要我把资料发到你邮箱里 7 H8 G' C9 ?- T% Y* U
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