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发表于 2012-11-13 08:48:12
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1判断语句) l/ U2 A# a( ~
if <condition> then8 V+ V" ?" {/ o
<statement sequence1>;: _+ o0 V9 @5 S- B
elseif <condition> then
9 B3 a& }/ G |, V& ]" p4 i <statement sequence2>;
# ~/ _( J3 `# L) _ else ; ^: A* D0 V. ?- u; |- f2 b
<statement sequence3>;+ o, O4 U, G' w) _
end;
, O q1 x6 w! ?8 K* M* r5 }: X3 L4 u如果分支比较多，用：
5 C$ X; g0 W h, A0 e I* f/ ~$ i) J inspect <expression>' T0 j, s9 c9 [" j7 }; r4 e$ T* v% G$ ~
when <constant_list> then0 Y! f& b# D: c, o+ q
<statement sequence1>;
2 f& i+ H- a7 j when <constant_list> then; o5 T: H! p: F: u6 `) p( } K, l% C
<statement sequence2>;4 }! r% }7 A4 C: x
...
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<statement sequence3>;
! E" P* a" q, t; U$ o4 r- Lend;( ?# e& H& W# Q: \ n( g. G
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2循环语句
8 b4 m. h6 Q( ~$ c* R" t (1) from <statement sequence1>
' n! N2 R4 E0 B2 x until <condition> loop
( U/ T+ n# o+ b <statement sequence2>;. e2 A5 Y% S c/ |; Y9 p& v3 T
end;
, d+ I N+ h% W5 Z5 X% I& @ (2) while <condition> loop$ @" ~6 H' `2 G O
<statement sequence1>;
. a$ M4 F$ J7 g' S* R; {8 [7 s end;0 b' R9 E, S1 c& Y+ O, _
(3) repeat
9 m$ S" _9 Q; G5 d <statement sequence1>;
. [% I; c# K9 {, u( O until <condition>;
# N0 q# R" |7 y5 @ (4) for <condition> to <condition> loop
# W& @: z( ^/ d6 B6 o; m# z <statement sequence1>;
$ S S2 S; \5 ^& v p next;
5 M( \& Y* M" ~: V) S9 |+ H3中断语句- X4 a4 b8 ]6 f
waituntil <condition> prio <integer expression>;
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以上为常用的函数！: r7 h2 W$ X6 B, X+ [
还有很多，如有需要我把资料发到你邮箱里 $ E# w! |1 b0 ]- j
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