|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
2 E! T8 M" @% r" W9 S+ y8 s if <condition> then
6 i* Q' f: \4 P& E4 Q( Z- T <statement sequence1>;
# O" D, F/ d# x; n( h elseif <condition> then8 P* ^/ R% X( U( s5 u! U
<statement sequence2>;
# f; h+ E m! U. v4 O3 Y else 4 w# V! Y: @+ Q5 a
<statement sequence3>;( c. C* `6 V5 Z x8 S, c
end;% d% O# R$ C: S& c' U+ n
如果分支比较多，用：
, T; {; {! d& q3 L4 h" k" B8 Y inspect <expression>
. A% I5 a2 n8 }( Q4 \$ V when <constant_list> then
3 w# Y7 J8 f4 O# l% R <statement sequence1>;$ }1 B, q( N3 H# |7 A- Z" B" |+ H
when <constant_list> then# Y1 k) W" o* \6 \4 S. X4 Q
<statement sequence2>;2 m& N' r- p* ~2 }" V$ U
...
$ D* ~5 \' G: c else
5 g8 L, |* F+ h" e, R& ^# Z+ h <statement sequence3>;
$ b; K! {1 Y# h" M0 Send;0 s& o* z+ T3 }& q7 N. v) P8 i& I
`8 R& G7 a0 \7 }; h
2循环语句
D H3 }) o5 _' c (1) from <statement sequence1>) M" F3 H9 x4 \& }
until <condition> loop
6 p1 Z: X7 Y ~. Z8 W4 k <statement sequence2>;
, I* S3 X+ `( V3 G, H end;) \# k) u# N- m& d$ F6 W6 k
(2) while <condition> loop
. H- V3 L9 Y8 {# I <statement sequence1>;
* ^ W- ^* Y( D/ _$ @ end;0 [2 U5 n1 t5 H
(3) repeat + K* H& `8 m8 h( t
<statement sequence1>;
7 s& [+ P2 R, w2 ?3 G; j until <condition>;0 i$ _: N# E( i( S
(4) for <condition> to <condition> loop. T* b( K- }7 G! g" q
<statement sequence1>;2 d. m. o; S) O6 a
next;6 z3 K: C# r( V6 c: W8 J
3中断语句/ w) V. G8 O' t7 z
waituntil <condition> prio <integer expression>;
' Q1 ~* Z3 g* {& ?2 y& F& E
! a4 A; X- U' [- A% y. @1 R _# |% R2 S6 N# s+ p& F* z6 U
以上为常用的函数！% O7 v2 F& c4 A6 ^
还有很多，如有需要我把资料发到你邮箱里
, R: _2 [/ q" P) a! ?, b1 f3 s% g
" l3 n& I7 ~0 K9 z7 h! {0 d! h: t4 {; K; F
8 j4 J4 y- M, e' X U
! Y" t! K7 ?& M& ]* M: o' W# a5 Q8 b2 g1 B9 | |& m p
7 r& |+ q* _7 @1 `2 w0 E, j2 `
; n8 c! ~% H6 s' _. f+ y
+ U2 A2 E$ Y4 l R3 b. `0 a1 r+ U: ^
8 h: n) r7 n4 D5 [+ ~; `
4 J) n/ O6 |' r, }8 n( l |
|
[复制链接]
