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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
( n6 i7 Z; f9 c% _ if <condition> then
7 i' P! [6 u3 ]" ^4 A <statement sequence1>;$ G9 R1 D7 h7 y" c; h
elseif <condition> then
" D7 C" ?+ P9 w6 T4 ~ <statement sequence2>;
; F7 v+ }- X6 d9 G else 0 u: l$ a+ V g6 j
<statement sequence3>;
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如果分支比较多，用：
. h# ?# ?: U. Y6 V7 B# b; G inspect <expression>. `; ~8 H2 C- c2 S1 N. G) \
when <constant_list> then
5 L3 g& @0 v- q U* u <statement sequence1>;
6 @9 E" y9 Z2 ^) r8 j; C when <constant_list> then
8 ~: ^8 X* _% }0 {! {- `5 O' [ <statement sequence2>;. d D. O4 Q4 A8 q3 P3 O
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else
5 u1 L5 W1 W+ [ <statement sequence3>;
7 N- D, p& C( S% I% Xend;
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2循环语句
4 h4 K3 W" B/ C7 D2 C' L. P, ?: e (1) from <statement sequence1>" k: y3 V' n/ F9 k( e2 q: d& _4 l
until <condition> loop$ n; ^' d$ R5 c) M7 R! C
<statement sequence2>;
# W. F S( w. O2 I0 E end;! }1 S/ n4 [3 i* q9 p7 u# h! j
(2) while <condition> loop9 @" g, `. W( H$ k/ w8 I
<statement sequence1>;$ |7 q2 }4 q* L" K( Z$ U
end;
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<statement sequence1>;
3 T7 M9 ^6 { y9 S; K until <condition>;
/ _# L9 l8 R- h( ^ (4) for <condition> to <condition> loop
! Z1 G* H7 n; g4 A <statement sequence1>;
" n6 q( y9 S& X2 X) A: V next;
- F- T% g3 T1 b- ^9 P* \3中断语句
$ k. T3 I( x `2 s! ]& k3 g- k waituntil <condition> prio <integer expression>;) p& {. q: d, J% z8 e' ]- l% d. |' `
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以上为常用的函数！1 g1 I3 x( R7 ]6 G5 A1 h
还有很多，如有需要我把资料发到你邮箱里 / k: j8 |6 p1 E' p4 H
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