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发表于 2012-11-13 08:48:12
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1判断语句: [3 `5 n9 q' w6 |
if <condition> then
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elseif <condition> then
1 R# j/ N7 R! w* K# T <statement sequence2>;
& ^$ x0 K( X" ~, E else
n: K9 p7 _# ? <statement sequence3>;
5 S4 Q+ B! f9 H- [! q end;
* k& J" T& W& S% H' |, ?$ @如果分支比较多，用：
! M7 o5 A/ l8 @ inspect <expression>
, l! x% l& Y5 I when <constant_list> then0 {' d( M% W- W8 a, J, H
<statement sequence1>;0 y, t& h7 @4 y2 s3 ]6 W6 o( }% _0 q
when <constant_list> then& o: ~1 ~0 i$ q/ ~
<statement sequence2>;: [* Z7 x9 b1 g V- b8 Z: Q; w
...$ f/ \/ ?/ D7 [. t0 O8 Z
else; O7 p- h4 N: ^0 n9 }6 O
<statement sequence3>;# ` G. a/ i% l( t. A$ C
end;
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2循环语句
4 R6 w5 V" L. R (1) from <statement sequence1>
) N5 I5 M0 I) C until <condition> loop
5 U! P1 J/ G/ N6 ~# G <statement sequence2>;$ k2 g; E% ?+ }/ Y. \# |$ u
end;
$ u% |; c! p8 {$ x- a' o (2) while <condition> loop2 G. g. `6 \1 u$ M3 I4 q, B2 Q% R
<statement sequence1>;3 @6 \7 D, n! W7 u2 s7 Q' m& k: @
end;
% V; y0 B# [! @' A (3) repeat
9 Q9 \+ i: ~# |& j <statement sequence1>;$ a& K; D. D6 U
until <condition>;
3 t3 I' Y9 ?+ ~ c" |; k (4) for <condition> to <condition> loop
! N5 A9 Z: t( |$ U) T <statement sequence1>;
( D. s) b" y8 ~ next;- M- N9 B/ H6 E& f M" D! T
3中断语句
! n; W) w) J/ D! y! ^' e waituntil <condition> prio <integer expression>;
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| C* M9 L7 T5 d& f4 i8 J0 Y以上为常用的函数！3 R1 r2 C# P, }+ T/ u
还有很多，如有需要我把资料发到你邮箱里
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