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发表于 2012-11-13 08:48:12
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1判断语句
, E9 I2 }5 `* k. b. R8 Y7 r S if <condition> then
: g8 F$ P" ^8 w/ u <statement sequence1>;! c% V, S5 }7 `: `+ G7 d
elseif <condition> then
2 F) G% R; i! r/ B+ r) n7 `, ~ <statement sequence2>;% l) B* D4 A: W& k' H6 R, s
else
0 h# V: i4 u' p. j6 Z9 C { <statement sequence3>;
7 K* w" |/ {; t( h4 ?$ W end;9 _9 [3 w6 ^' L$ N+ d; z8 _3 x
如果分支比较多，用：( R/ c- ? A7 @% h3 y6 Z
inspect <expression>3 C% m* x) h5 P, a% z; B
when <constant_list> then
- P5 X2 E9 p$ O/ h! z <statement sequence1>;" T% L) M/ f e( j2 X* h
when <constant_list> then
" b+ M+ X) e% A/ _! A0 A <statement sequence2>;' R' \' x$ N6 k; S
...
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<statement sequence3>;
5 E5 F$ _/ _1 W/ m( z- O6 c9 eend;
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/ s6 V# N' K* t9 w) v2循环语句! V" _1 B. J) s d4 V/ j
(1) from <statement sequence1>
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<statement sequence2>;
7 e; |5 k6 D0 u end;
* W( N* ~! s* H( o5 ^+ i; r (2) while <condition> loop/ Q/ l( T. i+ Y) Q# n$ b% w& F: W
<statement sequence1>;& \& h4 I( f* U; |/ T( K$ ]
end;
g) V2 d0 j/ q& Q0 s" o# P+ C (3) repeat
# X8 r' b% |) x1 _ <statement sequence1>;: R) f: l! B( B
until <condition>;# i9 u1 }* @) D" I$ {
(4) for <condition> to <condition> loop$ v& Z7 S5 p, I7 D+ O9 Z/ D
<statement sequence1>;4 a0 b2 G; o @
next;/ y# A- v1 a8 G2 v
3中断语句
/ ^0 e& F2 \( B/ k waituntil <condition> prio <integer expression>;& B& H7 ^! ] N+ P9 O
) G4 I4 }- g& o
2 Z1 h3 V9 A* ]$ Z以上为常用的函数！
% k+ G* r, t( W( C; Z6 w) R还有很多，如有需要我把资料发到你邮箱里 / ~& i- }6 \; {: z5 j4 Z
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