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发表于 2012-11-13 08:48:12
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1判断语句
r3 a2 b2 h. t3 q if <condition> then
/ Z" k- l, g( L* Z" R1 [ <statement sequence1>;
3 \0 M: ^1 e: T elseif <condition> then
3 A- S7 ~* [0 E3 \ <statement sequence2>;
$ V% n% ~9 N3 u4 u- a' }- A else
; S3 R1 [: `& D% o, r' a <statement sequence3>;4 i# w! b7 ^6 J
end;
& `7 a9 A7 D$ v# p' J3 I& D如果分支比较多，用：
1 T5 t' O7 S' H% q/ Q: J inspect <expression>
) W u0 c9 v: b) G when <constant_list> then
$ z9 T# I* e" j$ o( N <statement sequence1>;# S# e/ x& t- W- l0 q/ x
when <constant_list> then: ~8 K% j" r }2 V; F; s
<statement sequence2>;+ c: @5 T$ Y& d
...
8 ?1 ?8 @! X, }% [& _ else
/ Y" t; g, ?" I2 n7 A <statement sequence3>;
7 ~& n* j0 t* Q7 Nend;" b# R( _: P2 R3 ?0 Z
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2循环语句9 c" d$ O- i2 n. L" C3 O
(1) from <statement sequence1>
6 W/ s# Y$ B& m. K4 u. H$ c until <condition> loop
) G+ U, p" N n1 P: O& {5 q) h <statement sequence2>;9 J |0 ]. }& w9 O: A
end;
& d5 d2 `4 o7 o4 N (2) while <condition> loop/ ^# n- D' W2 |; O
<statement sequence1>;
, q4 ^* V0 a6 C% k2 B* c# H. j, z& } end;8 P$ S1 y$ b: \# ^# ?
(3) repeat * k+ m5 c1 \. X( g
<statement sequence1>;
, x0 z5 k% R6 v5 m! m$ u until <condition>;
) Y0 X. A7 {5 [1 b7 h/ ]( i. G a (4) for <condition> to <condition> loop. B% k1 ~% o* g
<statement sequence1>; F: u9 K. T; t7 `7 v* T- @' M
next;! I% p& m1 C* [; Q/ I1 ^. H" o: M
3中断语句0 o7 f0 g/ q+ o$ A* A$ g; H% f
waituntil <condition> prio <integer expression>;2 d$ |6 g- ?) O$ }0 W9 B
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以上为常用的函数！$ e: H% c9 E& V9 T+ w7 M
还有很多，如有需要我把资料发到你邮箱里 3 ~3 z5 _! i2 o7 u& u
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