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发表于 2012-11-13 08:48:12
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1判断语句0 q! x- n. @0 K. r) b3 U% I
if <condition> then" F0 P) ?3 J% g6 A
<statement sequence1>;
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<statement sequence2>;. O) k1 a* q U* g
else 9 \5 P- u# v! n4 |# r
<statement sequence3>;* I0 K; J" k* W! k8 I
end;, W! i/ ?, g& h- B4 l3 N8 `
如果分支比较多，用：/ L% R' t& ]/ I1 T% S: u
inspect <expression>0 ]: f, h3 m5 G7 w
when <constant_list> then: Z B2 S! g' g0 f7 T; h4 m
<statement sequence1>;
1 `$ \1 h! m, ^* K/ ? when <constant_list> then
q3 f( B9 x3 \( Q <statement sequence2>;
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else
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end;4 A4 z3 Q9 D4 E( C u
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2循环语句
6 F5 |* N7 Z6 T# Z( A (1) from <statement sequence1>4 `0 _( X+ a6 [& {6 y2 K; o0 Q. g
until <condition> loop- L6 M; \5 O4 A
<statement sequence2>; P1 l+ J1 l6 v5 W1 @" v
end;( w' v/ b1 M1 x E3 o- L) G3 _7 h, J
(2) while <condition> loop9 d: h! s5 }7 B( F7 a/ M
<statement sequence1>;5 `1 ?6 ?8 H' S& K; w
end;
- c) G7 A1 m, C7 n0 H+ I- Y (3) repeat 0 v4 J% b* A% j
<statement sequence1>;- n. k% O: n% B
until <condition>;) K: Z8 a5 l0 E6 ?
(4) for <condition> to <condition> loop/ W: h" k, T$ k
<statement sequence1>;
) Y3 |8 C4 Q0 {7 Y; z# V! ~ next;
0 R$ r4 C" {1 f) F; ~3中断语句" d, [/ D2 I2 u* ~
waituntil <condition> prio <integer expression>;. ?% }- q4 ?/ h. V$ N t4 K
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: E& W- }+ ]3 N0 O n1 a* O2 K! G以上为常用的函数！2 l* N* l* v9 c3 B( Q
还有很多，如有需要我把资料发到你邮箱里
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