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发表于 2012-11-13 08:48:12
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1判断语句0 ]8 {2 m6 c$ D( Q$ U- \
if <condition> then- @% g* [+ T' E
<statement sequence1>;
" B& ~8 ^2 C2 \% N! Z7 P elseif <condition> then
6 \* p# ?7 P5 s6 Y5 W% Q: y <statement sequence2>;
. J( u1 z/ W/ `: L9 u% Z2 r else 2 Z4 n! |- c) [4 n" ?; D2 a
<statement sequence3>;
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如果分支比较多,用:
+ Z! Y4 i( }9 A) o- R inspect <expression>& l* V/ b& K" p: P: n7 r
when <constant_list> then
! g- F" B( n3 J: r2 A- A2 s' p% b <statement sequence1>;
3 u1 e' S+ Q9 k( I) b5 ]( n when <constant_list> then7 ]5 X* \! E& V5 }- R* {' [
<statement sequence2>;+ B/ Q* m5 n# q- u* } a3 r2 B
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else7 r) @9 z3 @& @- D; J
<statement sequence3>;
+ F7 M' C6 |4 Hend;
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2循环语句: l/ U: C$ _' x
(1) from <statement sequence1>
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<statement sequence2>;
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(2) while <condition> loop
9 S: a) @3 q0 h <statement sequence1>;- |' P" Q! n3 F& I' g
end;! Z* c' w& i! ]. C) M) c% A
(3) repeat 5 K* }( H B9 j) N3 G
<statement sequence1>;
' X5 _! D% y; p until <condition>;, `& ~7 b$ T q8 F4 B
(4) for <condition> to <condition> loop+ D# f8 p8 \# l( A) ?
<statement sequence1>;
+ A4 s u$ T$ j/ _3 f; v next;
) |3 u( |+ j; e; |# C% }+ Y3中断语句# R0 g: K9 |' U! d- J$ o
waituntil <condition> prio <integer expression>;$ Z. z3 S1 W( X7 j' W. I. u3 O4 r
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/ j W& k( C" p以上为常用的函数!
1 l, l' q: p% m还有很多,如有需要我把资料发到你邮箱里
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