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发表于 2012-11-13 08:48:12
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1判断语句
6 F- n$ t8 I6 X if <condition> then3 ~4 D" R, f4 h4 v
<statement sequence1>;
* A' w- L# y* B elseif <condition> then
8 O+ Y6 T* G" B) \6 i2 k: Y <statement sequence2>;2 h! m- u- g. j9 M6 W( f2 e
else 7 @$ N: c2 `( B
<statement sequence3>;
4 \3 ?3 }7 e c end;( N- V$ F8 B( d% v4 N2 L% ~0 x
如果分支比较多，用：
5 i$ q5 V# _3 Z7 ` ]9 q inspect <expression>
! f6 Y2 b# @0 T) l% y- B when <constant_list> then
1 R. H; Y; p3 K+ C& p2 }2 k <statement sequence1>;5 _2 \* x9 Y) G3 Q7 w
when <constant_list> then3 X* E, m* D& B. A
<statement sequence2>;
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else0 L# v# F' Z6 Y1 W
<statement sequence3>;
+ `+ G. l `# `" f# Lend;
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$ _; J1 L# Q- w' I2循环语句
. A/ k- i) g8 [5 `) c9 c (1) from <statement sequence1>. \) ?' R8 [% K( y6 |! B8 k$ x! U
until <condition> loop2 H5 `# \ K+ K' Z1 j
<statement sequence2>;
& ]* w$ q" C0 q L end;6 f y6 f; b" C9 x6 ]" A
(2) while <condition> loop
5 M N/ R! X) j x+ y3 g* j <statement sequence1>;8 X- _& O' L; h
end;/ J9 x7 k& |. F9 u' C
(3) repeat
! s3 G2 B' m6 F- b. e! Q E Q <statement sequence1>;* |/ `9 q- Z2 h( ^( m/ O
until <condition>;
, k1 O* z0 S( U (4) for <condition> to <condition> loop& S8 r0 `: j5 a; D8 H2 [5 ]
<statement sequence1>;: w% o3 h; E- n) v. u
next;% U0 `+ M R9 }2 o/ S/ y' a( I
3中断语句 M! K; ]4 A* h/ U8 A5 j; b! l) l( d
waituntil <condition> prio <integer expression>;
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# O5 R# {! r3 y, b/ v以上为常用的函数！. p0 Y; \& c6 }# r' ?) i1 G
还有很多，如有需要我把资料发到你邮箱里
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