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发表于 2012-11-13 08:48:12
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1判断语句1 V" m( E$ U* w% `# V
if <condition> then' ]; f5 m4 N* s- |
<statement sequence1>;
6 O! x! O2 O. Z; b8 _% Z& ` elseif <condition> then. G! @# h, o0 y: |
<statement sequence2>;+ n W$ Y# I- ^
else / }" g% h% s' {* u& l
<statement sequence3>;
- f+ A0 J) g* r/ W! W% Z end;, L6 ~' z* D1 @. G$ R" H4 Y
如果分支比较多，用：5 j& x- i$ R6 r3 u! }. u9 x
inspect <expression>4 F" z! H8 e$ R: e4 L
when <constant_list> then- G! Y- y N- E: N5 Y/ n
<statement sequence1>;
2 B% b% u" i( c. E: a when <constant_list> then# p0 z- K- U6 M& G- A
<statement sequence2>;
! r Y T$ S7 m' g/ L ...
( j3 w1 q/ P# n% y0 m9 S else- D" t$ t; r* \8 J( t9 A
<statement sequence3>;
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2循环语句4 C& b. R" L9 D
(1) from <statement sequence1>, I q- R/ a' C7 E5 G8 u
until <condition> loop8 a2 j% @0 c# I! ]( O+ b2 N
<statement sequence2>;# o) T( X, w* `" Y1 G
end;
9 h+ J5 P+ a7 I6 q k& ] (2) while <condition> loop7 J/ M) R+ d! \' Z/ Z f
<statement sequence1>;
" c* e4 p2 D3 V% n8 g2 v5 t end;
% b( W. S( g1 R. J- I (3) repeat
6 t$ c, h) u! ^4 h$ P/ \( T <statement sequence1>;
9 `7 _4 S/ C0 w! u! ^3 s' Z' Q( N until <condition>; ]0 P, m3 f5 L7 L4 l
(4) for <condition> to <condition> loop
* D- P* L5 R2 X, U e <statement sequence1>;' o6 ~- I" I$ U' U( M$ y e, A
next;6 e+ ~" Z* D' K4 p$ t1 X& z
3中断语句) F( n, \; P1 T* o; Z, Z% \
waituntil <condition> prio <integer expression>;) G9 U8 W9 D; [- @9 k1 I- G, {
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以上为常用的函数！0 k: o; R0 r# j5 N* n4 K
还有很多，如有需要我把资料发到你邮箱里
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