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发表于 2012-11-13 08:48:12
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1判断语句
& J; i& Y+ m# i) R- m8 `4 { if <condition> then9 O" v6 {% H, [4 M" ~, E, r+ U4 w! ^
<statement sequence1>;5 z0 |: z& a# ?/ I( }
elseif <condition> then
% h( L t5 p3 `" Z0 z <statement sequence2>;0 _) R( w1 V2 `) @# H
else * K% ^$ G2 o0 |; D- F6 v
<statement sequence3>;
# w2 o& Z' q) e1 b# m. @6 ^6 x" s end;
; X. G" u; z5 p如果分支比较多，用：
% G; q0 D% ~& C: F8 ^ inspect <expression>" M3 T8 b% E' N# O2 ~9 ^4 M
when <constant_list> then
2 v; E0 o* C* p$ l! Z( y7 F# } <statement sequence1>;
- H8 j9 @ z0 D6 C( [/ J when <constant_list> then4 ~5 A& x* c# w9 p
<statement sequence2>;+ l E7 F/ V+ |& @8 @
...
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<statement sequence3>;
! y7 L5 L8 j: A% uend;
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, U% P# n0 o1 Q4 t% m2循环语句
9 [0 u! v8 t7 Y2 @ (1) from <statement sequence1>
0 W* F' }( Z* `1 u: x- m/ U+ j: t9 {+ | until <condition> loop
% h, y) X& S6 @' | <statement sequence2>;2 ^. Q/ ~" ^# t7 R6 z( v' ]9 `
end;
; [8 n. U- k; ` y7 Q (2) while <condition> loop
, v( M! a9 N5 V2 T) Y <statement sequence1>;
9 {" B4 n+ m5 ~& |" ]4 z end;6 t; V" g- r6 V! v' X. T
(3) repeat 6 A( \6 M. h% |( P+ A% S
<statement sequence1>;- p. B# A, {3 a, X* h
until <condition>;( L( D% D5 \2 y. ~
(4) for <condition> to <condition> loop
9 A" s4 Z; Q/ ^% p/ T& C. g <statement sequence1>;
& M( _' ~* p2 z9 w next;: F" [% P% S/ y
3中断语句
/ Z8 D2 d% W+ h% T0 |" }) |; @ waituntil <condition> prio <integer expression>;
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以上为常用的函数！
3 r0 o* W4 i0 [. F& |. ?还有很多，如有需要我把资料发到你邮箱里
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