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发表于 2012-11-13 08:48:12
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1判断语句7 v% @4 i( n5 U( w+ ]& A& c
if <condition> then6 e+ ]1 q% D! b' A( n$ H
<statement sequence1>;
7 L* h+ r! a: A- H& g" o elseif <condition> then
1 b3 K! ^7 j8 [3 U& K' G <statement sequence2>;3 Z- o6 t9 }' F
else 3 `: E& [" C. I# a7 S. V/ i
<statement sequence3>;
* J7 y" A: x, v e6 B1 A' w end;
9 l L2 K! C2 }% W如果分支比较多,用:4 Y. }6 y' F$ V" y
inspect <expression>
2 J" W) _6 `; n/ ~ when <constant_list> then
! C+ U* I$ E( p; n' f! u) ~ <statement sequence1>;
% L) i0 j1 _, O& t8 f when <constant_list> then
( J8 Z4 y' S# |; H! ~- E <statement sequence2>;7 R( U2 d* p5 D$ c6 E, r0 \
...
& m- o% @4 H9 g9 p* g else
* ~. k) ?( Z K8 r# _ <statement sequence3>;
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2循环语句8 w4 W) U3 D9 M/ T3 Y( M& |
(1) from <statement sequence1>
& M# n6 t. i( g: _- i4 Y& U until <condition> loop# V1 l. _% R' k) A1 o- N6 B1 Z
<statement sequence2>;5 q% I4 y6 t8 [4 W& \( Q0 `$ ~( e
end;1 G% a# r" [' P* k
(2) while <condition> loop" J g6 [. f+ \* G5 S3 Y3 f
<statement sequence1>;# D, m, B6 q; q7 C6 o
end;
; A6 M9 _1 \* `/ \, p% X* |" [; g (3) repeat
5 d3 A$ }7 G6 Y. a, O8 b9 E: j <statement sequence1>;2 [ H* q8 |/ d5 z+ c2 b$ {1 |: Y
until <condition>;
5 d) _$ U0 ]( g" v3 j/ Z$ X0 Y, k9 L* w (4) for <condition> to <condition> loop0 f0 C; X6 |, O/ b
<statement sequence1>;
$ a) q$ V5 ~9 z Q next;
a0 S. h/ h# `* F8 k3中断语句
: {0 c: q4 M- J0 S waituntil <condition> prio <integer expression>;. L. q& ]' U( W: s1 y k" s5 Y
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以上为常用的函数!3 t; i/ |8 L" Q- {" h
还有很多,如有需要我把资料发到你邮箱里 ( h6 |8 t+ W% L. ?
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