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发表于 2012-11-13 08:48:12
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1判断语句/ M5 u9 ]0 m- V" ~7 d
if <condition> then
' B" F/ H& k1 Y$ A$ N. B- P) L: v' S <statement sequence1>;* y* |5 I- h$ C7 s/ N. O
elseif <condition> then
/ r5 j5 w5 d0 y <statement sequence2>;" I. I/ B8 y3 S) `' I
else
6 P% J7 P V- @% T* W8 x <statement sequence3>;
3 B5 R% x/ g& N9 B+ \. | end;
/ T# _/ t/ L5 I% h9 E如果分支比较多，用：* S5 X& h3 _' i W2 Z
inspect <expression>1 o$ X" { e) J" P2 T/ b' l
when <constant_list> then% Q" J9 o8 Z* F, Z, j" H! K
<statement sequence1>;
( f; l4 R; o6 y( T; J when <constant_list> then4 X2 E4 X" ^4 U( X- H8 R; D! _) f6 P
<statement sequence2>;- J* B4 V) L! P) I5 E! N0 S; P
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else0 O9 b+ \0 i/ f- k$ ?' F
<statement sequence3>;3 U) C! @: F. p; W0 J+ r k6 @
end;( q5 i7 b+ d5 l
- o0 H1 o* ]6 w+ I' B, C2循环语句% J$ v5 H7 O- n4 z
(1) from <statement sequence1>
% x& U9 C6 e* y; ~9 i9 O- `. F until <condition> loop# g- h* {% A, p* Z0 R0 u
<statement sequence2>; n. z0 C' S: X6 h0 E5 \' _; |
end;
1 s& m1 ~1 C, _) h6 w4 S4 t (2) while <condition> loop2 p3 Z' b- u4 n1 @ _' [& c
<statement sequence1>;0 C* }8 N( m" Q* p( a: @. |
end;
- T# Z! ?+ d, _: W: k. a% D (3) repeat - M3 ~ H4 {, m7 ^9 o7 Z
<statement sequence1>;
* B& ?! b4 Q2 U- a5 [/ I0 `& l) O until <condition>;
; N5 \) ]+ a; C! U& i0 l: _+ ~4 h (4) for <condition> to <condition> loop0 V6 L" V8 b( ^; B. E+ i
<statement sequence1>;& ?7 ^1 A) \' `( x7 d
next;6 G) v5 \/ ]: e
3中断语句
4 u' Q8 ~! [' z' Y8 m waituntil <condition> prio <integer expression>;1 d* m( y6 D! }/ y& H/ g# o
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+ F9 [3 p A, v9 [% h( K以上为常用的函数！
$ @0 P$ G* z* i" e. H还有很多，如有需要我把资料发到你邮箱里
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