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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
8 H! }7 Y) i: ?) O! k/ ?. v3 ~ if <condition> then
/ ~6 @: B, |1 B6 y$ l. M( ] <statement sequence1>;
% @- v, e9 g+ b, u elseif <condition> then
9 g4 B; [/ K; s$ o. F <statement sequence2>;/ _' e0 q+ x0 T
else
. H+ I, J3 ?$ e" W/ q( U) C& l <statement sequence3>;+ b: A/ t4 ~0 W0 Z& I" A% O
end;
- z& {% R8 c5 t3 r5 [# M如果分支比较多，用：
; m0 \; S( ^ {( B1 t6 ? inspect <expression>- q! \9 Y$ M8 X% m: s1 L
when <constant_list> then, S- ?$ J- b7 V. U9 ?
<statement sequence1>;
6 n/ T+ g6 f$ P0 \ when <constant_list> then
8 W3 X7 |8 D+ W <statement sequence2>;
* K2 L$ G) P/ T0 l! M ...
. i' N4 X8 r" ?9 a8 j2 K) v$ u else
' Z0 e5 r/ _- `5 d <statement sequence3>;
: G9 p8 G% @6 V; Q" l% U/ Yend;& ^7 J, U2 Y4 o% y
8 c) p$ Z) [0 H
2循环语句
" U: M+ `- F# N1 F (1) from <statement sequence1># S3 w4 H: f, R$ _% s8 M
until <condition> loop
' t5 G# L: f9 T6 { <statement sequence2>;
) g7 I1 j4 t; h6 r end;
$ l3 b( {$ ?( Y; F (2) while <condition> loop
+ b5 ^* v8 |) v7 O <statement sequence1>;- @1 G! t' a' C
end;
9 Q3 Q! h* I: L; t H" g (3) repeat ! ?. O6 }" a( O: ^8 c
<statement sequence1>;# |( \. _ m% I2 V9 v
until <condition>;
' [0 z' J8 h- \$ N (4) for <condition> to <condition> loop0 Q3 y( ]+ U6 x1 S/ W
<statement sequence1>;
/ c: D5 @2 o& w next;7 d: P6 m2 x, v1 _8 Z/ s
3中断语句
0 R0 A* | L; G' a6 } waituntil <condition> prio <integer expression>;( Q9 v: L8 B6 ]2 I: S$ n
6 X& M8 F# _3 [6 j% D
3 c, ^) N$ U; f G4 L2 E以上为常用的函数！
$ [3 }# T- s1 k还有很多，如有需要我把资料发到你邮箱里 0 G3 K4 w9 q1 x/ O; ]( K, R4 |+ j
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