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发表于 2012-11-13 08:48:12
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1判断语句( Z; J9 B7 \& A% s
if <condition> then" J6 D: L; L; f& f1 _+ o0 R0 a/ R- X
<statement sequence1>;- ?5 i5 ~& S9 o7 G, y0 Y
elseif <condition> then
$ D* c' y# t: ^4 q; P. n5 Q <statement sequence2>; T& @) o( m% }5 [! v
else ( e7 @: J8 I* T n* j
<statement sequence3>;
1 U7 Q, {2 ^1 e9 e+ A' l" ^: K end;/ Z/ i3 W% _1 E' C2 h
如果分支比较多，用：
+ ]/ n w9 ^; `6 u0 c7 c inspect <expression>
* ?3 \* G; c7 B2 d when <constant_list> then
8 N+ g" g( z$ E <statement sequence1>;
% y. G, i# F j4 @% Q9 C2 @8 K+ D7 L when <constant_list> then
7 p- A; |, k5 g: d$ \) o <statement sequence2>;
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else
& f& i3 d! l4 @9 c <statement sequence3>;
7 R7 [- m) H* b0 B0 h& v8 I" P5 gend;
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2循环语句7 z5 Y' G: d. x3 D
(1) from <statement sequence1>
7 H/ O0 ^' i% ~& [, S/ V until <condition> loop Q4 T; o* u1 E" ]' y$ X
<statement sequence2>;
7 _! L H J& ~" f- { end; @: P3 s* |( f6 a4 p) P ^
(2) while <condition> loop
+ `8 Q! B O, _9 M* I <statement sequence1>;
$ ^0 w- a9 i1 ^; l8 M8 D) z end;+ Z" C, y0 S5 L4 c$ a2 e
(3) repeat
1 Y$ P/ f( ~6 A( d8 Y <statement sequence1>;
- b, e" v& H X7 C until <condition>;
3 Q$ p* u% B7 }; h: s (4) for <condition> to <condition> loop' N# t8 y: K: n1 X
<statement sequence1>;0 k, M5 @: S8 Y! o" h% g5 l. t7 Q
next;6 b; j8 O e9 P
3中断语句. M( |* f9 @, l! N; R! `$ s$ j
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
: J4 W4 e4 B$ I7 N$ Z/ B% i5 D还有很多，如有需要我把资料发到你邮箱里
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