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发表于 2012-11-13 08:48:12
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1判断语句$ I8 o* M8 f# T5 z1 {$ R: a |
if <condition> then
6 P; J1 v. u9 L <statement sequence1>;
. H n/ r. Q: n; c( e elseif <condition> then+ d/ s( w" u5 d5 ], B1 T
<statement sequence2>;
* L, O! e7 d1 i( P3 m! c3 T else
1 y* L" R3 ^- R9 B <statement sequence3>;
, L4 M! S: i: u8 I' G) b4 I% J; Y end;
! J- T: Y3 m0 `8 T8 }; Z0 N如果分支比较多，用：) P) Z$ M) e4 Q1 \3 `- l
inspect <expression>* m0 d* f% P! d" s8 d+ G
when <constant_list> then0 J, u2 S8 [1 w0 Q
<statement sequence1>;9 Q) b i- A; | n# a6 u
when <constant_list> then
6 k1 A- v1 X% g& f! [! `/ `( F. T7 ] <statement sequence2>;9 P1 A# \+ D- L' `
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else% ?: v; p1 J. V# k9 x% d7 ]
<statement sequence3>;
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: ?$ b/ g- }3 E# W4 t2循环语句
$ \/ i! T$ E% }: B (1) from <statement sequence1>
( `; p1 H. h( N; _& o& K, n until <condition> loop# \ T& j! L& m6 \3 q# N* E7 B; M
<statement sequence2>;
8 }( @( ?- f% V" n0 h& z4 `! h, m end;% s4 v( S h1 S) E
(2) while <condition> loop* l& Q* j% A5 q I! |8 T: l
<statement sequence1>;0 I& p+ X& e5 w6 h$ V% T
end;) f8 n2 v, k$ o5 g% y3 j& q
(3) repeat
$ a1 E7 q- c9 H/ }% Y1 u, x <statement sequence1>;
8 i/ V9 d3 _4 Q8 P until <condition>;9 `$ D) R _+ [, \; L" {% ^
(4) for <condition> to <condition> loop' [3 b; [8 Q- b+ o( ]3 b8 n
<statement sequence1>;7 l0 Z% S% C% r) p
next;
; {# }* t. _# P% q( o5 E3中断语句
- n( \( ~; r2 ?) V1 p waituntil <condition> prio <integer expression>;
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以上为常用的函数！
* ^6 i$ g3 ?0 a, ~还有很多，如有需要我把资料发到你邮箱里 5 U4 t- f. f: G, |# m
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