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发表于 2012-11-13 08:48:12
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1判断语句
# E# n C% f) G1 b4 e if <condition> then* Y1 {/ A+ V T# N" a
<statement sequence1>;
6 h+ ^) v, ?4 o elseif <condition> then
1 h2 n( Z8 N; f: E <statement sequence2>;2 T+ z0 e; h# m/ Q
else
7 h# t1 b u" {; J6 | <statement sequence3>;- ^1 h( \, A" M5 b* h
end;7 ^# H" Y% C6 a. Y1 l0 \
如果分支比较多，用：% D+ F5 C6 H+ o
inspect <expression>
, a8 W2 T: P6 N5 e; p# K3 l when <constant_list> then
9 b. E5 a3 n5 y r: } <statement sequence1>;+ x% V: T# k: g) ?2 t0 D& C
when <constant_list> then
- F1 z8 x% T$ h% I. R4 V3 N: v <statement sequence2>;* J0 S+ t7 ~1 c0 \- r
...
; r' ]+ O* G* V0 c' @ else
5 `4 U# |0 a$ t9 q$ m6 X+ C: ` <statement sequence3>;) L# E, G, J5 t9 k1 d$ y) P# K' z
end;1 V0 W9 W! e( s
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2循环语句9 H4 K# \4 U2 ?# a9 Y# E- A
(1) from <statement sequence1>+ T' ~& M$ l+ c1 a) @$ j+ c& h
until <condition> loop/ |9 X/ v, E; Q k* l* ~8 y
<statement sequence2>;. L3 G+ T- s9 K/ t. Q* H, F7 f) `
end;
6 ~. t2 E' d5 w& l6 F (2) while <condition> loop
' |6 Q" ?* p9 f( a. L. h8 S <statement sequence1>;
* M; b: v0 I& H4 {& I end;0 B1 H5 Z6 O! t) u* i# a
(3) repeat
& a! q7 s4 _# _6 B <statement sequence1>;' z0 k9 g" h9 u+ y2 z
until <condition>;1 g2 q' K- a& U" ?3 d* r& P
(4) for <condition> to <condition> loop
* Y5 f, y: x+ P; N4 I <statement sequence1>;
: V& M% W: D( u6 z next;
3 j7 Z" A9 i' l% f( E4 O3中断语句4 O5 j* S A0 W4 u+ B' q. ]
waituntil <condition> prio <integer expression>;4 j! [/ H$ k2 h) p; k4 k! f) I
3 V, c* P! d8 a x
* q& j& }0 Q8 e- j7 ^& |1 U以上为常用的函数！+ W+ r! G0 x' M- Y* q+ ~* C" W5 V
还有很多，如有需要我把资料发到你邮箱里
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