|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句3 \2 l$ ?% E9 v5 V
if <condition> then
9 C$ k( k0 |2 \/ S1 H <statement sequence1>;
5 ], r' c7 u& X- m) T; A' x elseif <condition> then( L& H2 P$ y1 z+ L
<statement sequence2>; C3 z, @) Q! A
else * A1 o* Q( o$ u- [
<statement sequence3>;
: f/ T6 G' A/ j( \2 x: o end;6 O: ]% g h C' f
如果分支比较多，用：
# Y% a+ G. E C inspect <expression>" A" E+ S+ o; g1 Q v! a
when <constant_list> then7 k$ |6 J @3 n# a, O1 k
<statement sequence1>;
. i: Y/ P8 T$ _. j3 P# ] when <constant_list> then, H" o; z% w/ ]* P8 S
<statement sequence2>; n& [5 i! ]) k8 A
...; e' k! N# t3 |! g$ H3 h
else
. K y: d; J# [% U. i3 V4 H; u# F <statement sequence3>;
* O1 \) T$ ?1 n& ~% kend;
6 M. D+ z; X5 y9 @/ l
( F+ P. y' C* e# |8 V2循环语句
) Q* y5 u) i) P% f (1) from <statement sequence1>7 t( I3 r+ [, K6 r ~' n
until <condition> loop
I) {& }# E$ g4 n1 y <statement sequence2>;6 G1 {0 t: O9 e: ]. A
end;7 V6 ~ P |, H( _* z' H1 f
(2) while <condition> loop
! a) v( O6 [# E) V( { <statement sequence1>;
5 x& f9 k! O! }6 G( Q# x1 @. @1 l end;
8 e- S Y1 e" i5 ? (3) repeat
# W. K2 H, V: J3 y) _) Q. R <statement sequence1>;, f: c3 H- ~8 m0 X3 ?5 @
until <condition>;
3 u; {" s( l8 D (4) for <condition> to <condition> loop/ ~6 f% p5 H6 N3 Z; h
<statement sequence1>;$ d* y5 @) n# n6 Q4 l6 B9 y' r
next;/ e9 i8 F+ D6 Q
3中断语句
6 ~7 Z8 N+ h* }& J waituntil <condition> prio <integer expression>;8 j R& D; V9 r% p
; J2 \8 n; e' R( X$ F/ \
3 s# i" Z8 m' I
以上为常用的函数！2 e0 T% ], v4 A
还有很多，如有需要我把资料发到你邮箱里
0 n. p. r1 F+ b
7 O ]! j; P, {/ s3 j/ f" g- D* K6 v- E! C% y2 c3 h
; a l, S- d2 A8 \- t: @' I $ X# P( _: x' u9 k+ W% V" n
2 W, l3 r; {7 e- r/ X& \# H
4 `8 p. U/ s1 j4 M5 Q7 f4 [9 M% w
0 P4 m6 T" F; p4 n. a* a
3 H7 H$ g/ X. D2 }# a& t! U: l% }/ k
0 K* B! R2 o' a
" k; o, g' |* V |
|
[复制链接]
