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发表于 2012-11-13 08:48:12
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1判断语句. [3 R* I) e8 L8 P8 E1 t
if <condition> then
6 q; U( z8 ~) C$ Q# a5 X <statement sequence1>;) Y4 V* V8 r$ M$ p
elseif <condition> then; S5 \8 i, f' s
<statement sequence2>;
0 A$ ]6 p, D8 ]) V7 U, j" \ else
, e. v% J; c# L5 A1 A& Y <statement sequence3>;
+ |3 F q% i l- I/ V2 r end;( k' f- M6 g C
如果分支比较多，用：" N$ Z% P- L+ Q) H8 e
inspect <expression>: }6 Y3 X, o/ s9 e. U5 X
when <constant_list> then
1 W9 j! u# j4 W+ g <statement sequence1>;
5 P" p" t$ J9 B* r1 O when <constant_list> then
1 h( Q! F) L* g/ ]1 I0 M% Q) U <statement sequence2>;3 h5 }# m4 y. ?/ t$ ]. W
...
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<statement sequence3>;
) k. m7 t- \- K5 \$ P2 Tend;
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7 s$ S" e/ I5 Q- I" C( z2循环语句
/ O+ j+ c# @! O$ m) @4 n; O (1) from <statement sequence1>, w( ?, k% K; j7 N6 K7 O
until <condition> loop/ R) v' B( a% ~
<statement sequence2>;( z8 x2 s3 z5 D! g8 u
end;
# J3 g, a- r0 B }; N (2) while <condition> loop
3 ^: B7 x( n$ l- [# a- y: O8 Q <statement sequence1>;
5 A$ a3 G$ N' y/ o! L& ? end;. _- |3 B- c0 m2 Y
(3) repeat + f5 ^( h0 \( I8 D& y2 z
<statement sequence1>;5 b9 i# n/ T6 f: F6 h1 F% A" u
until <condition>;" `/ k8 u' B5 Z* ^+ ]
(4) for <condition> to <condition> loop) X) T2 w1 X/ `8 N
<statement sequence1>;# G( O V. r: ]1 z3 k& n4 ^
next;
1 \9 `( s0 D# h7 b, v' E8 ]$ s7 O3中断语句$ E( w9 h" e7 C. p( x; G
waituntil <condition> prio <integer expression>;5 T* C: I& b2 M2 ^' j6 x
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以上为常用的函数！/ D/ M3 B& o/ u
还有很多，如有需要我把资料发到你邮箱里
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