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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
4 a+ C, @, h9 R if <condition> then3 i& W" @0 D2 V2 }( Y& `
<statement sequence1>;; w4 q t/ i/ U* }1 K Z
elseif <condition> then0 j( d9 e! v; w
<statement sequence2>;
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<statement sequence3>;
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如果分支比较多,用:/ n" G* ]4 v/ m8 R9 Z
inspect <expression>5 S5 h0 V* B+ E" U
when <constant_list> then. j; Y4 Q4 F! p2 w) x4 B+ W
<statement sequence1>;! m. M! v1 B0 g/ v* M
when <constant_list> then
' G& P9 k' Z# K8 w# d2 s$ Q <statement sequence2>;
' {- h! `8 v, Q ...
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<statement sequence3>;
' Q8 B& q, j* d) `; P" Qend;
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2循环语句
" _8 h2 V$ r5 r (1) from <statement sequence1>
& L( r" B" p4 l& l/ e until <condition> loop
# M2 `( O3 {2 b3 ]7 J0 ~! k" B <statement sequence2>;4 l7 N- d8 a5 L) ?5 \) E
end;, b+ Z7 G) R7 m8 u* T
(2) while <condition> loop# ^* a* W1 o+ b: Y( S$ m
<statement sequence1>;! D& w7 P+ u& {) N4 @6 @; `
end;8 k" u, M3 r/ Z D) ~4 M
(3) repeat
( F! ?! ~! X, Z <statement sequence1>;# s" }* P$ e2 L0 P6 P
until <condition>;
- [4 g) V/ l" e; J (4) for <condition> to <condition> loop
G/ f$ Q/ ]+ ] <statement sequence1>;
8 w3 x0 F) s; p2 ] next;4 q' Q2 s$ @3 X, z# v$ h; K
3中断语句
+ P2 s/ u9 o9 C- Z! L% ? waituntil <condition> prio <integer expression>;
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$ d/ O. L& y6 i: A# _! m2 V以上为常用的函数!
1 q( z' Y+ V/ O t还有很多,如有需要我把资料发到你邮箱里
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