|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句9 }+ i4 O; D; S1 \/ j J6 _! V" D+ \
if <condition> then4 u: @# Q$ u2 M5 U
<statement sequence1>;; e' ?8 l+ x# R, L' y6 J8 K
elseif <condition> then
- s1 W8 l+ ]6 M: S0 R3 ?- | <statement sequence2>;) }# n: c) w5 |2 k/ y: i, a) y! l
else + ` E2 \9 K2 y1 i7 C
<statement sequence3>;/ V9 _# m6 h: w
end;; G, B% l/ e$ v0 s
如果分支比较多，用：
( O. q4 `! y7 S* o; o. v0 w6 [ inspect <expression>5 p I- E% u5 _4 [
when <constant_list> then1 a; E* l" h, Q
<statement sequence1>;* _' c* K2 m' N. h! c
when <constant_list> then
4 n3 Y5 {8 v5 _0 q# Z6 z <statement sequence2>; x; Z1 [. X* f& M3 w8 h
...% e4 z) x6 d; X
else' S' M, l8 Z' y9 p
<statement sequence3>;
* K' f: i/ A. L' V2 W$ Q8 zend;# C' a9 i* i6 W0 H0 v; w4 e7 P
3 L+ w! E, X* n6 ]0 t6 X
2循环语句9 }; U3 O" b' p) J) q
(1) from <statement sequence1>+ @/ x: Y+ q- y9 p
until <condition> loop7 |+ S W+ a7 d. k+ B4 {! r& b3 {
<statement sequence2>;
7 b" B) X- G. F V+ C3 D* B end;
$ _- Q" m9 t3 P$ E c; y# Y (2) while <condition> loop
5 J9 W$ { m1 [- ~ ]) q W' T <statement sequence1>;8 p) _3 W6 o; ]0 T* T" j
end;# t9 Q* a3 b6 z4 w# |+ a: h
(3) repeat
H( c! l& r `' Q+ V. l* s7 Q <statement sequence1>;
4 c0 U+ G+ d" E9 t$ ?/ d# M1 K until <condition>;
2 m* v" n% r% }! f* o+ S& ? (4) for <condition> to <condition> loop
1 D" f* M8 W1 y W ^ <statement sequence1>;
1 i1 }; z3 V# V6 N9 r G next;6 @8 S# O t8 ?! r* \
3中断语句' k/ O+ l- H- \7 Z( ]
waituntil <condition> prio <integer expression>;
' Z4 O" s/ J+ s d C2 D6 r4 R c# |8 b) N) a" }! U
+ ~' M! x* [7 I: c% U# F2 j5 T+ L以上为常用的函数！
4 V: m* P. s7 @& W2 u: C( q/ R) G/ P还有很多，如有需要我把资料发到你邮箱里 ( i8 @; F1 }! [
- A' |. v- Q* B
2 g, X( I& O. O6 K6 f: G6 @, w
! g- y6 K% |3 T& l+ X5 T* z l- f
- E& F* l; _9 J& w2 |0 ]& `$ U" I) a) X& C, ^5 K
* l S1 d& k9 i2 u% a' ^% U
7 \+ M# w% O/ Z4 p6 y. g( d" u
5 u" k8 d. u4 u. D5 ^
' K: g7 @: d9 {2 D1 z % w) \1 s! A0 X/ ]: g# G! s7 P
|
|
[复制链接]
