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发表于 2012-11-13 08:48:12
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1判断语句
1 x6 [% j% L% G6 ]& f if <condition> then' ^9 v) L$ n7 o6 T# D
<statement sequence1>;1 J, P0 b# ]/ L" T `. R% w
elseif <condition> then
8 U5 c" S7 G& }6 P0 @7 M* T) V3 b <statement sequence2>;/ w7 _; c, _) n u( p% H5 K" G
else
0 o- F& G3 S1 e8 f* j. K- l* D1 F. @ <statement sequence3>;
; l% s; ?& n3 {8 l: y5 f8 W- p end;
, X6 D; P# W- g* [如果分支比较多，用：
2 W. e2 ~/ `' G" p6 d3 \ inspect <expression>
+ W/ L6 m' D: I* b3 S when <constant_list> then
3 a* t& Q& S5 G& U/ ^4 w( I <statement sequence1>;
1 }- X# f9 n" i3 K1 x6 D2 T+ t; n; l when <constant_list> then
" x/ @, S5 r5 W+ q( C9 ~ <statement sequence2>;- @; ^6 [1 N$ C: F- _! @" D, A8 j, H; X
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else
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end;
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2循环语句, F0 O3 p: u) I
(1) from <statement sequence1>. j2 @% ]1 m' F3 x$ H3 Q
until <condition> loop& k/ o% t3 {. C: {
<statement sequence2>;
/ P0 @ t: o: ~5 x end;' E7 c% _# a3 F7 K) H! a: e1 H
(2) while <condition> loop7 s3 x) B+ v6 J0 j9 ^
<statement sequence1>;, e. L! o: x S* |2 S. u$ z6 f
end;, u4 @" G7 C# ]5 U6 s' e( G
(3) repeat
6 r; D$ `; u: D2 D+ Y: {9 P: J$ G <statement sequence1>;% D$ n1 T/ A6 y# t+ @. ~
until <condition>;8 V/ ?6 A6 ~7 L7 ~! r
(4) for <condition> to <condition> loop. ~1 S" H* {( E1 o- [. S! M$ d
<statement sequence1>;
5 i0 J: j7 y$ j/ u( T next;
6 F% `# y6 x- L( H3中断语句! ]' {/ s+ g( u7 K
waituntil <condition> prio <integer expression>;
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* b& G& F+ }" s m5 Q; ^/ E' ^以上为常用的函数！7 D8 `/ C8 i& |' Z4 J, S3 |
还有很多，如有需要我把资料发到你邮箱里
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