|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句' S0 z0 j. V3 Q0 `% w( F, Q
if <condition> then
7 p2 K; r) W3 B! J# G. @1 s5 k <statement sequence1>;
5 l4 f. q; R2 }& P- l% h8 P5 u elseif <condition> then7 r/ E5 B& Y2 m# s( m* E
<statement sequence2>;
3 c/ [5 w" z6 \ else 9 d" Y( E2 K. Y/ j
<statement sequence3>;
0 U B5 X+ e9 \ end;* U0 F0 H P4 O% r' O) A( W2 R
如果分支比较多，用：
: S" s% o7 E* U7 g2 q inspect <expression>
2 s8 P/ A* \) t5 Z when <constant_list> then- d( M5 H, `/ Z
<statement sequence1>;8 z/ o, J G; ^# f6 W9 ]
when <constant_list> then
) O* S/ P3 O5 \0 d$ y; Y <statement sequence2>;5 w# c. b) } }
...
) l' F6 Q+ h4 {4 _ else
' ^4 s, X2 I7 k9 A# G <statement sequence3>;* \9 L) B l/ Z$ U
end;
" C1 x7 s7 `' |& w! c; d; P; v5 V; o2 u4 |) _
2循环语句, p& v& h1 a% d
(1) from <statement sequence1>: V7 u. J& E1 q; ?3 T+ \/ N! P' i
until <condition> loop! X G0 ^) B# w* j. B! z% [4 o
<statement sequence2>;9 S' ^) C' a( q1 n
end;# X% A) {- @2 I! [4 ~
(2) while <condition> loop% ^* p8 p' T8 h% k M
<statement sequence1>;
. `( X9 b! P7 y end;# j& e9 t2 P9 t* P& t
(3) repeat
X- w( X1 _ Z( b+ {, R/ H <statement sequence1>;) y: Q0 m$ o' y
until <condition>;
+ @+ _: Q. [5 h( V& P- J (4) for <condition> to <condition> loop8 x8 A+ b. k1 P, a% o; Y
<statement sequence1>;& z. f! I" Z* X4 b2 ]3 O" c
next;
S% M: d8 ~4 i- C+ N3中断语句
# R# J4 i: _" h" ]' p1 r4 {) N waituntil <condition> prio <integer expression>;
% W6 H9 M3 e( H' N
7 ~1 m8 r+ w$ C+ V& ]( c9 d# N/ v+ U6 r
以上为常用的函数！
3 q0 K6 s3 D1 [# o$ @7 O' ]还有很多，如有需要我把资料发到你邮箱里
: e! U3 W8 |0 @! X/ z) }7 i6 p2 @' e2 ?5 H+ Z* L7 J! U
8 w8 s4 z2 w, Y+ K# H$ b) T7 |
- c8 g' z9 q5 W
+ U! N" G: Z' C% O9 v
4 r9 t$ P' S) L8 ?4 E& Z0 k5 b' y( r; o1 B
! e# r) _& S; g% j+ X
. ~8 B$ F5 w! | J6 b
2 |8 W# } P" {2 o+ f # L5 Z1 ^8 P$ W8 ?" ]) s
|
|
[复制链接]
