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发表于 2012-11-13 08:48:12
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1判断语句
" _7 j" D; S6 t3 o if <condition> then; d; k% C. k' n! ?9 K: T
<statement sequence1>;
! l5 }3 e) B" P9 l elseif <condition> then* L& c+ b1 m, H$ R2 K- M) P
<statement sequence2>;
! s! v6 \+ u0 y, X' x. C else
6 S# S; \* J5 f <statement sequence3>;
: S! X7 s, \7 e/ G" q z! d end;
# \3 T; c6 k7 I! |如果分支比较多，用：
6 ?: o: {. z" Q) |* n inspect <expression>6 D- F3 j" B9 E5 R
when <constant_list> then/ X2 a3 r; R( e
<statement sequence1>;
# U/ X. A6 s" r7 {! V M" w when <constant_list> then! [+ A+ R$ a% `3 _' n7 m
<statement sequence2>;
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else
6 z0 i9 X" S8 u# @: _ <statement sequence3>;
7 d- U# L# S1 _6 `end;9 m. s" Y/ w4 V! G: t8 P; e
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2循环语句
8 N4 W: d' j+ K8 m (1) from <statement sequence1>
6 \+ p" ]8 I& H* A: r. q( l7 ~ until <condition> loop
( v* Y9 \& \; f/ h' A; l, K2 f <statement sequence2>;
, M+ J0 @- p& P! r2 L0 _( X8 x end;
, w& u2 V8 u5 U& P5 ]) @2 S8 I( A (2) while <condition> loop
, U. S, g% w U* m <statement sequence1>;
1 u W. Y2 ]; F5 D end;
( ~# p4 V1 c6 L w" d (3) repeat
0 G2 ?6 p- S9 i <statement sequence1>;
3 [. E0 m$ `# i \3 d5 C2 [ until <condition>;" u4 J# I* j- A: O% M, ~
(4) for <condition> to <condition> loop, F) [* M6 G' {
<statement sequence1>;5 l& f" l+ t. t O
next;* s$ ]; s( k3 t: X. N
3中断语句' Y2 Q6 P" t. W$ p9 l0 L
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
4 _# b3 z6 \# m还有很多，如有需要我把资料发到你邮箱里 6 K, p$ ~' ]9 g6 C0 z' a2 g
$ E1 S* n- l& |, O! m$ l4 r0 @! @1 ~
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0 _) L9 J5 B; ~1 y" q! u2 r( x
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