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发表于 2012-11-13 08:48:12
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1判断语句% P8 O1 v3 d, [4 H6 e$ o, P% N" q
if <condition> then
& U& y7 ]; M3 z! H3 v <statement sequence1>;
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<statement sequence2>;" L; w9 c7 c) c7 {- ~ e
else
! C) K, O+ f+ W2 V& ? <statement sequence3>;
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如果分支比较多，用：6 y1 {. h# L7 P h6 k" T, o
inspect <expression>
j+ V$ W4 s' P/ _ T& B a when <constant_list> then" ?+ Q. w. f+ S
<statement sequence1>;
2 f5 M6 x* w6 C6 U when <constant_list> then. f9 j9 q& h5 z7 T
<statement sequence2>;
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else
2 W3 H' S$ {. e <statement sequence3>;
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2循环语句" d; I2 }2 z1 Q4 ~& q1 i& [: Q
(1) from <statement sequence1>
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<statement sequence2>;/ K# v6 ~7 c) o
end;
& e" h( ?& m- G b (2) while <condition> loop, b; W& C: s& o. @
<statement sequence1>;# F2 V k8 d4 ]4 n1 i# A
end;
4 |! T, G2 B; {" i" V# { [ (3) repeat * J* A3 h$ q( p5 a* b) W0 Z2 `; s1 I
<statement sequence1>;! u7 F2 {3 ]5 N5 g
until <condition>;1 F3 G( Z2 t( A& H8 m9 f* M5 R
(4) for <condition> to <condition> loop
/ P1 N+ p! P3 b; J; l' C E <statement sequence1>;
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3中断语句9 t4 v; m2 V6 V5 s+ y. t
waituntil <condition> prio <integer expression>;8 X# L, c* n2 K; t
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以上为常用的函数！1 W9 _0 _, J0 f7 Y) W) l
还有很多，如有需要我把资料发到你邮箱里 5 d1 S$ p% p+ y# q$ r; p
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