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发表于 2012-11-13 08:48:12
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1判断语句1 ~. V6 |8 l; u; E; f8 }9 `
if <condition> then
3 ?" }4 X4 ^7 u; c1 E2 D$ i <statement sequence1>;* V' t2 \0 U& w
elseif <condition> then; W: `# a, g2 {8 _
<statement sequence2>;7 W- E0 E' Y' |- l6 q4 }
else
2 I* L8 {' k$ K& x <statement sequence3>;+ i: o9 x, b, b2 V8 U% D$ _
end;: k$ [: h% {! p* m* U Z% E5 H
如果分支比较多，用：3 y# v6 U2 B2 D6 O4 {
inspect <expression>
7 ]. v( I2 ^. d- r6 I when <constant_list> then
8 \8 e7 n* w' E' S <statement sequence1>;) O; z' e8 z* l4 y6 h9 m
when <constant_list> then! F7 p5 H, M8 C N2 x/ _' ^8 z- U
<statement sequence2>;
9 I3 C5 `) J! {" ]2 t/ u% A9 r P% r ...
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<statement sequence3>;1 L5 D( e. c7 u5 ~7 {
end;
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2循环语句
) Z0 F* @7 P5 h. i (1) from <statement sequence1>1 ?( x# Z ?9 X0 r4 c
until <condition> loop
% a8 ?/ \! S/ L( M <statement sequence2>;
: h; g& y3 v8 Z% M: s8 i% o end;
; G1 i7 n# K* d6 N# t8 R" {' `9 w: e2 @ (2) while <condition> loop5 e3 {2 q. u) H4 R/ i& m$ ^
<statement sequence1>; v8 {* O. a8 v' _0 x* I! e- f% G
end;
2 V8 d1 g3 _4 q( I( G& G0 O7 ~& X4 O (3) repeat 4 b. \1 B T. \7 @
<statement sequence1>;
! n8 b( [4 E3 ^" _# F! c% O until <condition>;7 b' g/ \1 L2 K( E4 @7 F
(4) for <condition> to <condition> loop
. s0 G: Z' B, ^: v6 ~1 K6 L <statement sequence1>;
) O6 U- S+ o+ i5 Z- Q/ b next;
. T7 i, ~: u! e- w) J) ^5 ^% T3中断语句
% M* z! B+ `0 A) j waituntil <condition> prio <integer expression>;
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以上为常用的函数！
+ _. [' Q' a* o1 r+ n# Y& c3 ^还有很多，如有需要我把资料发到你邮箱里
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