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发表于 2012-11-13 08:48:12
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1判断语句
, f& o) I: ^& {! K7 j0 @4 q if <condition> then
. n. `$ `4 D% r2 p" X' e/ a$ \+ g k <statement sequence1>;+ |' V5 l3 q' ~3 l
elseif <condition> then
- s3 [ N5 K( M8 y& ], e <statement sequence2>;( X" a$ S" {$ e) y) f- O. s
else 4 {& M+ q+ r6 P; w
<statement sequence3>;4 o+ t1 ~ l3 f) j6 P' m
end;
( o* {( @4 ^$ P如果分支比较多，用：; j1 S7 H5 T& s- ?" W' Y; H' c
inspect <expression>6 X; ^8 O k3 z9 C$ Q+ J" g, \
when <constant_list> then/ }% S6 j; P: P5 ^( g8 N$ q" P
<statement sequence1>;
# o1 R/ H$ ?- T/ G/ I* }0 E when <constant_list> then
' Q) y9 U+ ^. F8 P* A! O: Z0 R7 @ <statement sequence2>;
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else! I& X- d7 _# B: F& j
<statement sequence3>;7 p% U/ `7 e* r6 a! {
end;* P3 W2 H9 s- T. a5 K
& p& @: l' j, B) d' v) M2循环语句/ s' G2 d: B" s( ^& a) K
(1) from <statement sequence1>
% r7 Z: H1 U; W' s+ I3 U: Z* u until <condition> loop
2 n% |/ p5 o" O <statement sequence2>;1 X2 M2 N- K7 ^- [. F, J
end;( T: _5 b/ k! X8 {7 j5 s# G
(2) while <condition> loop5 T- k: r+ E l l8 x
<statement sequence1>;
2 y h# Z) s$ x7 T. Z6 I1 }# U7 P end;: X O1 t9 L4 U4 H! C5 Y
(3) repeat
1 P, F; Y: i# C6 S* r" Q" f <statement sequence1>;
v& k8 t ~3 T) [4 g8 x* i5 | until <condition>;2 y% N2 k! b% P- N% |9 N
(4) for <condition> to <condition> loop
E1 p( i e" O) K! E <statement sequence1>;2 K& _0 k& f& k. e3 l5 C% y; D, u( s( `
next;% }% S" j" ?* M+ B o
3中断语句9 E8 b+ ~: z+ a
waituntil <condition> prio <integer expression>;' N- v# d7 v9 V5 _
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以上为常用的函数！% T6 n+ Y7 ?- \+ F6 L
还有很多，如有需要我把资料发到你邮箱里
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