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发表于 2012-11-13 08:48:12
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1判断语句
. |- x+ |9 V9 e% q if <condition> then, r- }2 r5 B& V4 [ F
<statement sequence1>;
! S! r6 B9 I: \8 b N4 B9 Q; P+ q elseif <condition> then
7 @# D0 C; T& i& `1 l! O) @ <statement sequence2>;
2 c7 D- R/ I/ L M else
- {( [ ^8 I! i( f9 H <statement sequence3>;/ h: O O6 L6 l8 B$ C: I
end;) `: f$ G; u4 p4 e
如果分支比较多，用：
3 u. ~5 ?- F7 y% {. J inspect <expression>0 j6 u, h0 S" I2 K4 ^
when <constant_list> then
* O2 Q6 B% c$ [( | <statement sequence1>;! u8 z, ^; C! v) n ~* r1 q' V
when <constant_list> then
! m* k' [2 B$ i% h" n, g3 r <statement sequence2>;* {$ X) \# x6 k1 G' d. ]" }
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else6 O- ]2 X- v) b
<statement sequence3>;
2 Q1 k; U+ D+ P: y0 ~end;4 O! W: C% a! ~5 C& c- R( a% `
+ }$ T r& {" x4 \! ^) c7 l7 J* c2循环语句( s, u H5 |! ?3 i2 c) ~
(1) from <statement sequence1>+ N$ Y% W8 |: F/ _& I8 b" r
until <condition> loop
% U8 w: G2 D' R1 x3 _1 j <statement sequence2>;
2 p6 b/ u& G1 U! @8 ]% T* e4 J$ l0 V/ [ end;
8 y( o' o8 M; _, |5 j- Z1 B4 U8 ` (2) while <condition> loop
' @5 _) ?* _* x6 \ <statement sequence1>;
4 D" h/ j9 o. I# E end;0 r. T) z& C8 w
(3) repeat
/ _ u8 c1 r8 B" o& o6 e/ d <statement sequence1>;2 Z9 ] P" @5 c. X- B) w x0 |" A
until <condition>;/ Q/ U2 @9 r5 M# I+ o
(4) for <condition> to <condition> loop
7 c5 W w- I/ G <statement sequence1>;0 u( J7 W1 Q8 G) K
next;
4 t3 i+ E1 X$ c' G; {( J5 X3中断语句
& d( A: V& o N' b6 A: ^. e waituntil <condition> prio <integer expression>;
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6 N u# `9 R# w- a以上为常用的函数！+ G+ _; Q3 A- \# E. W
还有很多，如有需要我把资料发到你邮箱里
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