|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句! A2 ?- f2 A8 v( v {
if <condition> then
$ ^) D( f5 _# `2 l! b <statement sequence1>;9 x/ d R" O3 R$ o7 q+ |/ o
elseif <condition> then
0 @# O% b8 b% X- B$ l <statement sequence2>;# Y6 n0 ^+ X5 o6 o# ]# {
else
- D2 L+ W1 l. ^% `( y2 y& A <statement sequence3>;1 b5 j5 r% D) K/ |
end;1 A/ ]& r8 A- A7 o: B3 @
如果分支比较多，用：+ S( @! t3 J2 b/ D( b
inspect <expression>
: w' ~8 e' f( T7 C when <constant_list> then* I% M7 q. @+ w
<statement sequence1>;. ?! n: f' u8 L% `: A" C+ D
when <constant_list> then1 u2 K8 E7 s0 @8 h
<statement sequence2>;" \5 r+ G3 C- a4 Z: d* t
...8 J1 D/ X, l% M2 D1 b
else0 {- Q( U# V/ W- L! U) m5 A4 A/ s
<statement sequence3>;
- F$ J, |5 c0 J! S8 d/ Nend;
" v) P1 i3 i* l& U) [! ^5 k6 G; x4 w8 w K# L
2循环语句
+ H8 R2 ]* t( S1 y (1) from <statement sequence1>" t T: y* A% {# E. Z0 b5 K
until <condition> loop
0 F @/ \2 \1 [6 K5 E. \1 u <statement sequence2>;$ s' Z z, K, a( k( i" Z8 Y3 b
end;* P. {$ Q9 E8 [! }
(2) while <condition> loop# v3 q6 O* r! W% T3 k `+ v6 G. j
<statement sequence1>;* L/ a+ X% D& U. F: V4 w. j
end;
) a! d5 M+ |) a' T8 M& \! t (3) repeat 2 a E% n0 O0 e
<statement sequence1>;3 d; E& Y8 K( `, k
until <condition>;
6 Y+ s* G) F' W2 r E4 v (4) for <condition> to <condition> loop8 O- L' o0 Q5 X5 }, t3 Z8 ]6 Q
<statement sequence1>;/ P, u8 A* H# r- o+ n$ ]' [
next;
1 [' E' I4 J2 h' E3中断语句
6 L+ ?4 m7 a6 |7 C' g1 U waituntil <condition> prio <integer expression>;
3 K+ A* z! J% `- ~- }( o; c% g5 D# M# l1 L1 F. i) V
" W* A7 t A [: g/ Q# W以上为常用的函数！9 b P' K7 N- q0 U2 r2 G% q4 N8 a
还有很多，如有需要我把资料发到你邮箱里
2 p& x* ~) R3 x& I/ l' `0 M7 t! ^$ @1 m" e: s8 O
7 Z5 I! o3 v b" a- V% o0 y* e7 ?9 z
! [, G8 J) d `! O# T# K6 ?8 m 2 N: A: q- c) B5 M7 G
' m$ R& d- ~- P& \8 ?2 X
- f% i1 I! J) V3 T0 e& v) R* q+ ]1 U, C2 G2 ~
: P I. m7 o& C+ ~, Q; b
& |, x4 r! z9 v2 L% H
( Q, H$ n$ [" }) L3 e |
|
[复制链接]
