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发表于 2012-11-13 08:48:12
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1判断语句, ^2 d7 y' h6 j+ x9 Y( b3 j( x4 o
if <condition> then
- Q6 x. ?- ?! R) R& ], G+ j) x3 _ <statement sequence1>;
7 G$ @, H) E9 v elseif <condition> then
* V) a% L$ R$ @2 K$ q <statement sequence2>;/ _! C/ ^( M- B% t
else
) k0 w; r0 @: z4 _( o <statement sequence3>;
, I4 x7 L* B1 I3 v8 A4 | end;
: t+ u/ s$ H/ z0 y( h如果分支比较多，用：9 c |. b7 j" {/ d! g& t
inspect <expression>
1 m1 M% g1 M" I2 e when <constant_list> then% S7 C i8 y3 a. }) O6 ~& O% R! L
<statement sequence1>;
1 E0 Y0 c# W' K( L& M when <constant_list> then' c: M! s1 Q6 f7 M
<statement sequence2>;8 d |! c @ {6 U6 q1 d! H/ E
...
0 h# w# K+ O3 j$ Y# f else/ Y1 J/ I8 I3 y' C, i: T6 E
<statement sequence3>;
+ |( P' W9 l6 f; C3 @# Q7 ]# f9 N0 a# _end;2 E4 L$ R! ?: \$ D% o H
1 v) ]& X/ l/ \, e
2循环语句
* a, b# A- H8 G# u! z (1) from <statement sequence1>
7 F" Q: f( `6 f1 P5 a) F6 I! d& n until <condition> loop% i& {% F& L7 l; }1 M
<statement sequence2>;
5 o' G+ I& a# ]9 W( k end;$ ^& ]& ]7 A4 c+ t5 U% t2 L& p, D
(2) while <condition> loop2 r$ R3 v& {, O' m# t
<statement sequence1>;
# O/ F8 j! E# R' G end;6 k! D# g F+ u j4 E9 D
(3) repeat & e: I1 z% f6 B5 m$ d3 ]" i+ J( M
<statement sequence1>;
3 Y! D( }* k0 C/ h8 _5 r7 X# d until <condition>;
7 q$ R! S8 X0 G$ r (4) for <condition> to <condition> loop
% F7 I& G- p& T7 @. g q <statement sequence1>;
7 D9 X- f& e5 y: x: g2 \/ u next;4 j" q$ K" p% |' N! l. S* U" B
3中断语句
3 c- C5 c s* e- [( a) t! o1 m waituntil <condition> prio <integer expression>;
2 k' X% L2 c! B4 Y# F' V2 e9 H" y3 f3 O$ s
/ j+ ]* N/ f4 @& q! _: h4 ~以上为常用的函数！7 T ~ F, l. w6 g8 e; O9 \
还有很多，如有需要我把资料发到你邮箱里 / Y# d' O* n9 P
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