|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
+ I; ]; p/ l1 k- E c4 y& r if <condition> then9 z( z$ `+ F( C% j7 K6 O
<statement sequence1>;) P+ K: m/ R( E3 U7 |9 _
elseif <condition> then
0 V! R- i1 W' ]" I$ E0 J; d <statement sequence2>;/ Z' Y) D1 N& ^( [. s' _
else
7 Q8 [( F5 h |/ I2 C7 |; R <statement sequence3>;
0 h* `" T7 D+ S& V7 t6 T end;3 Z2 k3 ^' u" x4 S) ^9 T
如果分支比较多，用：1 W9 ?) P0 L! K: Y0 I( E# n$ p; O
inspect <expression>" I6 a- T4 ] H" p: `
when <constant_list> then
) U6 P/ i1 X+ X- A% u% `7 ^ <statement sequence1>;
6 ~6 |2 U9 _9 [2 R( l when <constant_list> then
- s* ^, v$ S* w) Z3 H/ E <statement sequence2>;$ X* R1 y$ d+ a& B1 \( C H- S% C8 C
...
. V3 ^+ o# y9 {* l; [/ R* O else4 Q. K$ k. l3 Z
<statement sequence3>;1 F/ C/ {6 }9 |4 ~7 t# t! W& r8 p
end;6 a3 @0 h: n1 ~0 u! N
1 {! b! Z* a! e. H% a; u2循环语句
" f) q2 ]3 R8 V" _% v (1) from <statement sequence1>
' A! [# Z2 j/ v2 Z until <condition> loop- [- h+ |5 g# P: Z" C8 x
<statement sequence2>;
2 T) L3 g- M/ ~, F. |9 [ end;% T" w" P" \5 L @7 v! D
(2) while <condition> loop, E# w7 i5 j) f! [* U# o4 A. r
<statement sequence1>;
, z# M3 y) x* g$ i end;
# G) ]) P/ \4 Q+ m2 R* D0 f) I (3) repeat
/ ?0 {! N- R! ]1 m! ?0 j <statement sequence1>; H* T; _& y* x' O) a& F
until <condition>;
v4 G) O2 O* ?: p7 ? (4) for <condition> to <condition> loop
" E0 d8 @" z' U" G4 ?6 h j1 z <statement sequence1>; D" o6 y2 T/ _) W8 z( _, x0 [
next;
9 `& f+ w; S5 D4 r0 F' m3中断语句* u& A0 d4 N6 n5 @, w7 A
waituntil <condition> prio <integer expression>;
# t& t g L" s$ n4 w2 n( U$ K8 ]$ f8 G/ G6 A
; x: a2 T& @6 ?/ ~% e以上为常用的函数！
8 f3 n, j" I8 ]4 ]还有很多，如有需要我把资料发到你邮箱里 , c2 P% A% ~3 A6 r7 _4 H' {1 v
; M, C2 Z% I( L! V, B8 f2 _5 w4 a7 Z) e( s
. H* z* e; m2 k
1 D# Z3 M5 U4 V6 W2 p2 V6 ~; c& g
3 ~( T- ~/ U6 j% d$ o" T0 A) ?
; ]1 {/ O: s/ ~, E5 V9 N4 @# F; ]. L( X* ?) I( F2 Q; I1 T& {. C
. w6 S+ k- S5 f$ n
, s- r" K" b, \+ i. [& D 8 c! s! |4 H% o+ X- S
|
|
[复制链接]
