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发表于 2012-11-13 08:48:12
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1判断语句7 f" E* m0 D3 a
if <condition> then9 Z* i9 _: b# M; d' c4 v
<statement sequence1>;6 x) Z, W. y1 {
elseif <condition> then6 e4 [% o% s4 C+ N/ E4 ?: |5 h& b/ S
<statement sequence2>;
0 f. K! f, Y9 {1 P8 \3 h else
! t2 d( @0 l4 @- ? <statement sequence3>;
$ {8 h( d5 }+ z4 B h6 N; f7 ~ end;
/ \! H: G# K! ~+ ~8 [如果分支比较多，用：
2 Y x6 G$ }; z inspect <expression>3 \& K5 M# A$ g% m! _4 J
when <constant_list> then
) _7 B P- d/ o3 x <statement sequence1>;2 X3 K! q$ B* p
when <constant_list> then
l: T; H3 l: O3 d/ r1 V1 { <statement sequence2>;1 L7 x$ [& S: U
...
+ a' r/ I7 |% i% ~, \1 r2 K else
" B8 f3 m- G- x <statement sequence3>;
- C9 Z) ]# M* r0 i/ }end;
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2循环语句
& K) V2 Z% N9 K* V1 `, O9 l (1) from <statement sequence1>
" y0 w+ I" E7 D until <condition> loop$ ]$ I* v9 I. ?( h
<statement sequence2>;- j+ X k! T9 O, [
end;
2 F8 N, a4 S, Z' W0 r (2) while <condition> loop
4 M/ Y# J( r+ H5 e! j' Q# A <statement sequence1>;* O' C9 n5 o/ l) Z) V1 ?
end;
- @2 G# E) o) l (3) repeat 2 ^1 f& C; d; ?2 [
<statement sequence1>;
% C* }8 b. X3 G- ]/ J, Q# B until <condition>;
5 r; A& }' ]# b- B; ^ D6 B, C (4) for <condition> to <condition> loop
4 J& x0 B+ t* H2 l- @+ P <statement sequence1>;
# B: c( O! G: D0 }* P6 X- [; j6 } next;
3 W/ N$ r# X5 ^/ y4 A3中断语句
# q9 I, f# y$ W4 c: b waituntil <condition> prio <integer expression>;' f9 Q; g2 O/ J$ u
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" v [ \* y3 _以上为常用的函数！( P* N1 K( M; w/ H1 F" I
还有很多，如有需要我把资料发到你邮箱里 1 o2 J' ]6 G; r3 \9 k- ?: m% q& }
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