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发表于 2012-11-13 08:48:12
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1判断语句
; _! N" e2 |! K+ ~& g" { if <condition> then. y( }- Y8 I- {9 y9 S; c0 e
<statement sequence1>;4 }$ { ?2 J; T: G5 W8 {: V
elseif <condition> then
, f' a/ A9 `6 g( B <statement sequence2>;
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<statement sequence3>;6 X% P" l& f0 x( _
end;
. g x7 \# A; G( ?6 V' F, |1 N) n( c如果分支比较多，用：& H8 Z, F$ O/ _
inspect <expression>% C2 e9 F0 F8 j( e" s
when <constant_list> then
( a) c; b" R1 V4 @2 b <statement sequence1>;/ z/ U3 m) t* f W; d, k
when <constant_list> then5 q5 U+ l; Y0 O
<statement sequence2>;
( U Z; Q+ _, x- P ...
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<statement sequence3>;, o2 M( {% t! I7 {9 z8 j
end;% }2 X' s0 O6 p \& \
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(1) from <statement sequence1>
" |; W# D1 U }( Y" |+ i5 z3 a, ^- a2 I& K until <condition> loop( \0 n' \$ ]6 v4 m" B% C
<statement sequence2>;
5 x0 o: [3 `5 f) Y, J end;3 Z9 j" R; Y5 l9 F% u3 `8 R
(2) while <condition> loop7 G: }0 ]0 y+ Z4 } T
<statement sequence1>;
2 M5 k& o/ Z! u- I" Y3 a end;' i, G* Z; F# E7 _1 D( I
(3) repeat , u/ `4 P1 b+ c6 `" {
<statement sequence1>;) U$ O. j6 H5 y4 C) d" `
until <condition>;
5 q. V; N1 W i9 n3 h (4) for <condition> to <condition> loop% ^ o* L# R* X/ R( Q3 W0 i* _5 |
<statement sequence1>;
6 @" n9 v" l, @/ s L% ^" x next;$ C- U' {( R! D* i
3中断语句/ l) ?. i) s4 s0 m
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
( K6 l' q' U% f7 B0 ~ K还有很多，如有需要我把资料发到你邮箱里
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