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发表于 2012-11-13 08:48:12
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1判断语句: v1 p/ C9 s* _+ g3 l
if <condition> then
8 H$ g1 L$ G/ G$ v& B <statement sequence1>;
. p6 m6 a, y: H( H) l elseif <condition> then
" h5 x+ |5 ?/ g( D) G1 W <statement sequence2>;" C3 z7 d* {1 Q) d7 `) v$ H
else
6 w. ]* E3 Y S1 p3 c <statement sequence3>;
6 y8 }/ G$ ^' g) v1 g0 P4 F/ `+ c end;
2 S" N2 d; i2 T) v% X+ o: Q如果分支比较多，用：- }2 ^9 Z2 Q8 H; f/ A; g1 J; R
inspect <expression>
' G- `7 {, Y: O1 t' m6 a) a# ?1 D! ^ when <constant_list> then' E5 u# _. E! }* ^
<statement sequence1>;
% @0 E y4 a; e. z) N: D+ t8 [ when <constant_list> then+ h) M$ A( _, O& C: l
<statement sequence2>;6 ^+ f1 k9 [$ U. P9 w% {+ L( I6 i
...
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<statement sequence3>;
( f( O; f' y) Z' P* x( @3 Q$ Nend;
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2循环语句
' r @9 R+ g$ z (1) from <statement sequence1>5 U6 h. I! C: q, _
until <condition> loop! f" p; T n: u5 `
<statement sequence2>;% k8 H; O# P: q7 x: G
end;
% q& G9 Q/ ^" L4 i! W$ l (2) while <condition> loop) v: @8 w3 G1 i% U( m# b
<statement sequence1>;
% I+ l7 F! a& R" N% I: T5 F; i end;+ C: y m Z R* x* T- s4 C
(3) repeat % s8 W, E* f: ]) |5 K# j
<statement sequence1>;: W. Q D* i) b1 L% F
until <condition>;) Y9 \+ _/ x8 ]9 v& D1 N4 |0 ]
(4) for <condition> to <condition> loop; n( n* M. F! i6 d W
<statement sequence1>;
" u6 U6 ~3 D1 e* H next;
! Y6 i" V% Q O7 k$ e1 t3中断语句
& _4 X1 ~! ]8 p5 [9 I" { waituntil <condition> prio <integer expression>;
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以上为常用的函数！$ f7 K, d# J6 J$ A
还有很多，如有需要我把资料发到你邮箱里
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