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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
3 T: s/ S3 O. E if <condition> then! d2 a) ?. [, v' o
<statement sequence1>;
+ B! k% k' X5 g* G4 E9 h( k elseif <condition> then
: u( R' ~& v2 W* |; H$ _: h <statement sequence2>;
& i3 M, @- X9 f$ G h. S else
$ C4 o( N" \5 i3 v <statement sequence3>;
! A( U9 w7 V/ n4 K2 C6 m! o5 a! Q5 g end;
; i! j4 O0 ]+ l9 n6 _ B如果分支比较多，用：- F7 P* i0 x% f) [5 | n* J
inspect <expression>: p. J: f5 E, j. o8 T* A2 B
when <constant_list> then
- g9 P( W) M9 i1 G* b, ` <statement sequence1>;* E& ~( ]5 z/ F7 n
when <constant_list> then% N' P- N. s/ q
<statement sequence2>;/ ~1 l- [; [+ o1 Z# k8 D
...# h/ U6 x0 Y8 w: ~2 o7 B; H9 `
else3 A% Z1 X' ~$ w# w2 I! c5 g
<statement sequence3>;6 e% m( W6 j W, h+ r* u% m) I4 Z
end;2 c5 f W- n% a% V
: G$ |% V; h! A' G; q" V! O2循环语句" \8 A. s3 g. ?
(1) from <statement sequence1>9 P& A' G, V- e5 f) X" f2 O8 w7 r
until <condition> loop5 _$ q+ |0 Z2 ^) \
<statement sequence2>;
3 Q* B0 `, \5 I. J/ P end;
! Y% u C9 n4 i3 e2 |+ x# w7 ? (2) while <condition> loop
1 \6 e1 w' b0 Q1 B <statement sequence1>;
) q) j& W- i) }' W% } end;4 Q9 G! c. O. D* u7 Y) Q
(3) repeat
3 G8 t3 l+ T7 @$ _4 I! B, @ <statement sequence1>;1 ?3 B9 g7 E# X4 j9 P
until <condition>;
X( P1 L G& u `' S (4) for <condition> to <condition> loop( q G. t0 P) X
<statement sequence1>;7 M. u; x) Y6 ]* ~6 \
next;) d' ~! ^, R* @+ r O; h
3中断语句
/ v+ H' w4 b: H4 d' e2 u% U waituntil <condition> prio <integer expression>;
$ k, N0 V7 j7 X; I! ?, h! \0 ~0 {8 D* K
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以上为常用的函数！+ `6 q N' Y& E' M: l( Z: X
还有很多，如有需要我把资料发到你邮箱里
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