|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
& h* @* k/ k/ u8 b if <condition> then
2 l9 ?! M' [- r& f <statement sequence1>;
9 K9 m2 B8 ?' U4 `( ?7 }! ~1 n elseif <condition> then- ?7 V% n# s+ x% q4 m, n
<statement sequence2>;
3 O+ U! ? e( |6 |% c* b" e, _9 z else . j" D) ?9 Y Q- m' L% B
<statement sequence3>;1 c8 q0 M" j U3 }8 `
end;
4 n4 ]: {; Y u如果分支比较多，用：
7 T+ F; f, J) S4 B, @% l; @; I inspect <expression>7 V4 k7 S4 c9 W$ O
when <constant_list> then
& a) x/ S; \& o: j% P8 M+ z' t <statement sequence1>;/ `" b6 v2 P$ Z8 L
when <constant_list> then
- W' c* f3 X P2 W! a( c* a- a <statement sequence2>;; `/ F8 |4 S+ q- K O; e+ t
...
. Y1 p+ v) u+ l, C. z4 o g else+ ^4 V. u+ I# U! D% ]
<statement sequence3>;( |. ?3 p0 {4 Y# b3 P4 J8 x5 g0 t' t8 P$ J
end;
( h. E P, q+ }, H* I/ O* R
( o. r/ t' l$ L( ~2 L2循环语句) U* c, ]2 `4 M' Y" u8 A- B/ j
(1) from <statement sequence1>3 ^7 { i( U: E$ s& B
until <condition> loop* E q2 O6 K0 ~2 Q' E6 [; d7 u
<statement sequence2>;: z7 O$ N" A$ D/ ^4 s# F
end;
+ [0 J0 S& Z# D' Z, w2 z. n2 y (2) while <condition> loop
I4 J$ h- O+ a <statement sequence1>;
1 \( o# \* g7 a# J" m- q end;/ G- X: U6 Q$ d7 |' @/ v
(3) repeat
' j7 Y9 k8 E; C, E3 y8 y5 t9 z/ u% B <statement sequence1>;
) g1 l1 Z& ?+ u- A until <condition>;; H# }4 J5 w% T* r
(4) for <condition> to <condition> loop
9 L& u" T, ?$ y <statement sequence1>;5 u; J J7 S% |3 V9 N1 N& Q
next;
0 W! |/ N j5 ~4 X& l3中断语句! r6 @: W; L; w" I- k9 o5 U( ~2 S+ j2 z) f
waituntil <condition> prio <integer expression>;# M- s. K) z j( e9 e7 X% I
& N: K# q: R: ~( D) o1 A* B7 c( f
以上为常用的函数！( C. x( T9 c. p3 i; a) ^
还有很多，如有需要我把资料发到你邮箱里 , F0 ^3 a6 ~$ t/ u! V
/ H L* _! U% _" X# ^/ A- u
9 q+ z1 p) o: n3 h, H; P: ~. z' v3 c9 F- H+ G8 d# n# F: U1 S
+ J" l/ e6 H, J4 j( s2 g* |
, G; I% P' f" [* b
* C- s+ g4 \ Q/ G f- N8 [4 ]0 f) {
! y; t5 M% x9 y3 L2 s3 K
+ v) u0 w6 v% J$ q1 H& }, B. F 6 J& p9 c4 D& Z
|
|
[复制链接]
