|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
4 [; K% [# n" A) z/ b. i. @0 ` if <condition> then
- v# }9 o! i+ _+ V <statement sequence1>;# ?* k( ^) D5 {9 q1 d# K7 O: \
elseif <condition> then# K( K/ }6 f& K) x- P5 X
<statement sequence2>;
7 v! X% L x8 b( n V else
' k8 t( ~7 Z$ E9 L6 Q6 b6 a5 H <statement sequence3>;% ~2 y) O: c2 O
end;
. L+ ~' p+ L) I4 Z6 @/ ?如果分支比较多，用：. _! e6 J6 d6 U0 a( }- D0 P
inspect <expression>) t/ e: f# H+ ]! s' T
when <constant_list> then/ M' G2 g4 \* c6 X/ X1 p: o
<statement sequence1>;- l) _/ i8 G; I0 ^/ ^; I
when <constant_list> then
# O0 F) z6 C3 k: O+ l7 X# b <statement sequence2>;: N4 ?0 u& y9 }
...1 a- ]- q& p" w: i/ H4 I8 T
else
& U2 H/ X Z1 T$ a: F# e <statement sequence3>;; k8 q. I1 _, {/ o: S2 ^% h
end;* w$ l/ i& X( T! t3 @& F. `
" E. J; z6 J4 `( I
2循环语句& a4 I( u7 {. \1 m8 c
(1) from <statement sequence1>
9 J9 o( O0 ^1 n until <condition> loop3 t# M4 j6 f0 g" \; q
<statement sequence2>;
9 f! \0 {: d* p3 C4 G+ o+ \ end;
& Y7 \) H4 a$ Z8 n2 U (2) while <condition> loop
& S" t9 d$ I$ o# @ V3 _ <statement sequence1>;
. O2 a1 i/ X8 q4 Y7 t end;
2 W9 s! y" r% S" R& ? (3) repeat 0 z( J0 u4 l1 W4 ~( z
<statement sequence1>;9 e% D9 @4 N Z4 f1 X4 c
until <condition>;
# A& \, U5 {$ G f6 \ E4 U1 T (4) for <condition> to <condition> loop1 i1 s# A; n* F1 }
<statement sequence1>;- m: l! u6 I5 G8 J7 H
next;/ P) U0 ?9 `8 k% g$ a0 W- G& W
3中断语句0 R1 W1 F4 b2 I; X* S% N, u# @" v* P9 b
waituntil <condition> prio <integer expression>;; E8 Z/ K# `; w
5 l# U4 o% f, r7 `8 v; q" q4 d5 G! T4 @
以上为常用的函数！
' I* i9 \# ?2 r ~还有很多，如有需要我把资料发到你邮箱里
: H' L0 n, }5 C4 M7 s3 v7 |
. V1 G6 ], R6 G8 i' c0 A) g7 w2 d& O- D. z. v# L8 `
4 I- o. m6 y- a a' J( d " R7 \/ c" w7 x/ z5 N' f
s: s4 U3 F/ A/ X
3 X( Q; `% X. U$ N' i9 ~9 t) L* R" L* ^8 |$ a
) X" i$ S; W& }) M4 ^ J- g
1 t {6 q b4 x 3 W9 e* E& s2 a4 \% z
|
|
[复制链接]
