|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句" T5 S0 Z; u0 I9 V- g; b) a
if <condition> then$ }$ I) V' h' w6 y, ?+ c: u2 K6 E
<statement sequence1>;( z0 m5 M' A7 g: j# U9 Y3 R5 ]4 q9 o
elseif <condition> then2 S8 U! a* W# K% s* i
<statement sequence2>;
5 q' ]. Q, V. X' C$ ]( A( r: R else 8 [& U1 t0 z8 g
<statement sequence3>;0 l+ m3 }- h C. E( X) |
end;: Y" e5 d% t, |" P' {/ n, V
如果分支比较多，用：
6 ^' C* V. U& {5 m* d inspect <expression>5 k/ W0 I0 m, A
when <constant_list> then! |+ S; o- H! S9 j3 J+ e! K
<statement sequence1>;
" S! n7 E- [/ P) S% Z+ z when <constant_list> then
& q/ V# _7 g- k! e+ z <statement sequence2>;
8 L4 k! ^& L/ B. b U$ B' P5 p- g ...
* y& i0 E1 Y- ~ else2 C0 A: f' `: r4 N w
<statement sequence3>;
7 J' ]7 E5 ?4 u- Z" Y; qend;
' _* p/ s! ?( f0 I; W9 k
, a% G5 ^$ x. A! e0 x2循环语句# S) _0 y( L' P* `- F
(1) from <statement sequence1>
& j" k8 ?& W$ n7 X& o2 e2 U8 u until <condition> loop4 T) }5 s* Q# ^, }) |
<statement sequence2>;
& V! I& E) V. w) x9 z- R! y5 ?% Q end;" C) V/ Z+ u) j: ~, y* b
(2) while <condition> loop
: ^1 R- E! M0 {9 d <statement sequence1>;
2 ~& i" Z2 u) B, L# K3 t end;
# s# Q' i2 W0 p: |* i (3) repeat
( F# B; B- R4 z) I5 p- o9 E8 S9 H <statement sequence1>;
! _+ s8 }* x7 k8 i- M. ]" d- R until <condition>;
% D% i' c6 B" `( E' [ (4) for <condition> to <condition> loop0 d7 [* _) M$ d! o% E5 j# C
<statement sequence1>;
1 B( F Y. D+ W) N next;
7 S1 d) y0 l0 M( }3中断语句
5 H" y M: H9 H! u0 u( f: U waituntil <condition> prio <integer expression>;
* n+ S1 y& ~' C0 Q5 H$ y* i; F# O1 O
o3 b/ `* W% ]% \以上为常用的函数！! D: S2 z0 s$ t" o5 R
还有很多，如有需要我把资料发到你邮箱里
/ j9 g4 ^: F0 A( `* K* O; a; Q4 [0 a+ s" f: V# H
( v: X- d- H- a- N7 f5 c" X8 t; ]! p7 P, z" j
! U/ r, {0 c5 l
; d, x5 N# A: |! s& T u3 _1 p; {
; ]6 m: s a1 X' f( u9 ?
, U! ~( s4 C: n& }) O7 @5 M. Q
, |1 s4 F2 v8 h& d5 G
# g5 ] x/ y0 j
. v5 R3 G& G% {& `1 Q( @) t! o. a x# b |
|
[复制链接]
