|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句/ M c9 i' g' h
if <condition> then
. p. f0 z. z" H# d; ], Q <statement sequence1>;1 n8 I+ \1 g* q: E* r2 ~
elseif <condition> then4 n1 ~3 \% }, ^! o7 ]
<statement sequence2>;
2 K; D. G6 ^. A else : v' _" @) h8 b! z5 L, x
<statement sequence3>;
" Q7 v& Z3 l5 w& O end;
- j$ Y4 J0 T# T! s$ p7 e$ d2 E/ H5 \8 f如果分支比较多，用：5 \/ I/ Y3 n. M! K+ P+ M3 }4 f
inspect <expression>
8 @# v: a% a2 @- \6 g5 |- [ when <constant_list> then0 a# }, l1 u, D
<statement sequence1>;
' w. X% J5 r5 Y6 o when <constant_list> then
& ^. p: O8 Z1 D& e: L <statement sequence2>;9 B% `( b1 C0 D1 }, p) _
...
# g9 y( _: V5 T' y; a else/ A, s2 ?. [5 l# A" f* }7 g; U
<statement sequence3>;7 c2 [0 u V Z6 r: P8 ~
end;6 ]( Z8 n" I2 J/ r% ~! e% H
* F: S- K4 G9 Q+ L6 h( H! m
2循环语句" `5 |1 U# O" r7 v; O4 s! Z
(1) from <statement sequence1>
+ F9 J( o0 s+ B until <condition> loop
% A6 t, c5 J H1 R9 N <statement sequence2>;
" q5 r+ j7 m, F9 ]' S$ h1 Q end;
! J+ I& l/ T) W7 g' Z7 g (2) while <condition> loop+ Z Y1 r; S7 u7 o! Z- L5 M
<statement sequence1>;) w6 N/ Z |$ z
end;# Z0 r2 i5 L5 W$ i; B* o5 l
(3) repeat
, ]1 i1 z9 i2 U: h' h( w4 s2 }8 J <statement sequence1>;: W8 G; v7 e5 e4 k. g
until <condition>;+ L! G! r4 E9 \9 ?, B- d2 i
(4) for <condition> to <condition> loop
) v& r+ [6 V% H, _* T! E0 p <statement sequence1>;
) ^- Z5 ^7 {: C next;
+ J9 j1 z2 u& s0 a3中断语句
* l W0 G& K- D+ M% ?- q& T waituntil <condition> prio <integer expression>;9 w. f A7 V. ]+ a! l
/ ]& i7 e9 N+ p T$ N) l
) k8 f9 r: |+ A3 \- D3 s4 J" K) a0 w/ d以上为常用的函数！
4 D8 y/ Y% O) I1 J9 e还有很多，如有需要我把资料发到你邮箱里 ( T2 c. f) p+ g. H
0 P6 v5 H" ?+ B3 W' `) D8 N0 Q
. T R2 L6 ~- `9 n4 H' m' v2 }. K
/ J6 Z) I3 K$ @; a# G6 }$ _8 M
2 f6 X* q# E5 h l4 j. I7 \, }* X( Z' ?
& D5 M% ]1 I) t/ B- T ]
- c& c% a, n! h3 h# _6 `3 w8 F* m @& j& H9 S+ a
2 W! H# x; y7 }4 w( d% c3 B : z, K' G5 A( f# y# Q
|
|
[复制链接]
