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发表于 2012-11-13 08:48:12
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1判断语句" f; ?+ X1 ]6 b' C! D
if <condition> then
; ?# E$ C2 q. L! @* i' J9 U; N <statement sequence1>;* z% S2 F- f0 _5 ]
elseif <condition> then s" h/ P p- E$ h/ s
<statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用： f0 [7 a8 e1 L0 D& a* m
inspect <expression>! z+ ^' F4 ]" H* W
when <constant_list> then* ^: g& e0 ^% i. Y1 Y1 f" K
<statement sequence1>;7 G) k% y, b7 h4 S+ K
when <constant_list> then
0 M# ]% [3 w- d: f( H3 B4 H9 N <statement sequence2>;
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else
0 S U# c- Z( F& x3 M; u <statement sequence3>;
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2循环语句2 S; J9 A9 m: C+ ?5 r I* o
(1) from <statement sequence1>: h& ~7 I2 j/ \" \
until <condition> loop% K/ B# H; b# Y# S2 Q; v
<statement sequence2>;
) U2 x( B( X3 }- x end;* V4 n( a- u% f
(2) while <condition> loop
4 d' T: O* ?3 [) l0 T <statement sequence1>;
1 P: j" [! K) c9 i2 @; o end;
4 N, r9 L9 m" U1 f4 f- I (3) repeat
) a) Y$ b. x+ { <statement sequence1>;
1 m* l+ i D0 l1 |. | until <condition>;
1 w) I. \2 n' A' `. s (4) for <condition> to <condition> loop) l3 j6 y8 X# a8 S+ W! L) a
<statement sequence1>;# o# C6 V9 s' @. i. }2 W6 D$ g
next;3 w; x2 o1 g& F( s
3中断语句& y9 l' M+ H5 l7 {% }9 d
waituntil <condition> prio <integer expression>;
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以上为常用的函数！7 p4 b6 Z. j$ w# h% Y H; S3 U
还有很多，如有需要我把资料发到你邮箱里 " y+ c' Q/ Z. E1 T
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