|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句. ]& c$ d8 U- I5 p" d, i
if <condition> then
0 s/ z( X- \4 f* B- f2 u <statement sequence1>;+ U3 u3 y! m9 k$ }+ Z0 c7 @
elseif <condition> then
; K# e# |, J) }' ?+ z: { <statement sequence2>;
: ~+ I' r$ j3 @+ _" p else
: s! p6 F- [' E3 ^( J8 h* [% l <statement sequence3>;
5 _! a: E6 Y" |7 y4 p; F( K end;; ~; n( v) V9 f/ s9 d9 ]6 c% c
如果分支比较多，用：3 u. @% P$ y% f! r; I3 t
inspect <expression>& p0 r y* x! m: j+ l1 `! f2 o
when <constant_list> then' u! s5 U0 t9 A2 O- O
<statement sequence1>;7 O- j9 O! O) T% M6 @8 l k/ r
when <constant_list> then! L- b- g- [" v3 c4 A+ U3 z% k7 [
<statement sequence2>;# n. W+ V$ F9 M, l4 l0 F% I
.../ W8 z/ h$ h }: p9 l- Y
else
. p6 b1 J0 h6 o' u <statement sequence3>;
8 ?2 u. M3 U3 Z1 N& d5 d( Xend;
) K/ y2 v5 i, g3 b9 S
6 x) ^+ {5 E& x2循环语句' [! J% S6 X* }% q4 _
(1) from <statement sequence1>
8 [# [& ?! R0 j* r1 E' F& d until <condition> loop8 ~/ C/ J1 m7 A i& P+ W
<statement sequence2>;
3 o! N; s# L) w1 y% M! m* ?3 K end;
) {7 A$ {0 Q q2 J (2) while <condition> loop
8 Z0 `! F& t4 ^/ H5 a <statement sequence1>;
: V4 [1 A: f* y# o- x; c3 D end; f8 Z1 ?5 v$ Y w/ l" h& G3 R
(3) repeat
, N# T1 M `# a) o$ J; d <statement sequence1>;
6 r' ~4 i" d) J until <condition>;
3 ?# c8 p) i, g$ m9 R/ D6 B (4) for <condition> to <condition> loop/ N. O$ s4 p T
<statement sequence1>;' k. t. C9 U* w' c8 `
next;
7 M, V5 i6 f ~7 m5 F! D3中断语句* }% z: ~2 u2 d( H1 Z2 i H( a
waituntil <condition> prio <integer expression>;
: a4 Z* X' e5 @+ d6 N7 o1 F' l$ d8 k! ~: t4 \( z% Q
; l' z' {4 P3 ^: m1 n以上为常用的函数！
1 ^9 p* E5 r' d还有很多，如有需要我把资料发到你邮箱里
2 v* C: M: k+ e8 i3 |, q( U8 C6 U+ [2 J
6 [& V9 Q$ \- o2 V+ x7 m8 n5 A
) l& ]9 A6 l0 F0 o$ ~. M: W) g; \
( C6 @4 n+ N4 R. U6 M
- |* y: P" e7 Q, C$ _/ W
* F2 t; a) w0 k" C- v6 F. D8 y8 N% M
8 | m a# q% a9 V& Z1 h# S) x/ ^5 z
- v0 f: D" @( Y: Z3 K
|
|
[复制链接]
