|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句6 j5 Q% J' W7 U1 l
if <condition> then
( M3 \. }% o% K0 e* Y) K <statement sequence1>;
3 I6 D; I# F* t1 g8 j# P elseif <condition> then$ f2 P$ y! T1 ]7 t' n
<statement sequence2>;8 E6 k3 F0 w* ^% V3 E9 V
else 0 s& i, k2 ?6 v1 B3 i* D% J+ t
<statement sequence3>;6 n# C: g$ S" g3 |0 a
end;9 d/ K$ [: z- r
如果分支比较多，用：
! S0 |6 K: M' v4 j inspect <expression>- Z7 I" a& G5 i; j! _9 k
when <constant_list> then7 f9 A" A/ F2 b7 w1 I8 E7 z: ~
<statement sequence1>;% d9 F2 C! U1 U. Z! t% O, h
when <constant_list> then5 @" U+ A* l2 H( x: `' t
<statement sequence2>;
5 e+ @2 \1 G# M4 l6 x8 v5 [ ...7 V* y7 B+ Z$ V, O% ~
else$ H6 S7 R- W3 x x p
<statement sequence3>;1 u- P/ ~! K7 |' t8 u
end;. Q& M- c" }5 A; j) @1 M6 v
; e$ A8 X1 [- O2 n {2循环语句
. _# {1 \, ]: z0 W3 w( S( D0 r* [ (1) from <statement sequence1>
7 a* E6 X6 A3 ]. `2 a6 C6 j until <condition> loop m& i+ s$ f- s5 |8 D2 S& U
<statement sequence2>;
$ \6 L0 M2 a# ?' g8 F end;7 Z2 R- }. A5 n$ m4 P$ c
(2) while <condition> loop& f. o9 q- t+ V* w; A
<statement sequence1>;
# f. a, ?8 I( B+ P s7 V% b end;
$ l% _0 F9 K4 s+ u (3) repeat
6 D: R4 O: I3 W) d8 M <statement sequence1>;
% F; `9 Z9 n2 \# J$ t! y! m until <condition>;. b( Y6 f% I$ V( v$ z' p7 `
(4) for <condition> to <condition> loop
; f& M: i0 N! \% N <statement sequence1>;6 C6 O9 p# M' t$ {" j6 \
next;/ p) |7 R$ B) j2 m3 k
3中断语句' k" ?) t" Y& l6 S/ E7 [
waituntil <condition> prio <integer expression>;* q# U7 \& @* `9 g
$ E! t7 K: `& z6 p+ T6 H3 n/ J8 g
7 `. j y: W2 f: V以上为常用的函数！" p7 Y3 H' F/ O' q7 O6 v" E
还有很多，如有需要我把资料发到你邮箱里 6 _) @' ]! X( G& B( y
$ |9 {! k$ ~' d0 l- B. N. v2 A
/ Z, I+ K, ?% x" j: C+ R
; R/ b3 W9 R" O7 d ! C) [" p# Z$ ?8 b; \
. `# ~3 w4 W: e U; k U1 P# }; q8 q" U) h6 W9 I& n# o- c" T
: t# W, A& ^5 a0 m) i$ v( t7 ~$ X) K9 k }7 g" ?# X) l% c
( Z# \$ C4 Y: H. a: x
+ Q" Z0 N, n$ E+ r/ P9 s |
|
[复制链接]
