|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
% [) a8 o0 `5 \ if <condition> then
4 J) _8 r: I9 {, J+ X <statement sequence1>;
1 `! j2 G! C9 J elseif <condition> then
: E) d! a& _3 [ <statement sequence2>;) \- v7 u+ }. s8 I
else
: z2 j2 k6 S# }' G l: I5 D <statement sequence3>;. ^$ m5 K/ u1 m
end;9 t5 g2 A7 f! N7 p+ U* h
如果分支比较多，用：5 g" X$ Y( ^) O. R* q
inspect <expression>( [7 E( J( C1 h6 Q& o: \
when <constant_list> then* R" A% t1 B- B7 r
<statement sequence1>;9 N8 x5 {# m" Y: k1 W8 n
when <constant_list> then
; \- ^: s4 d9 p$ b <statement sequence2>;
+ N/ ]; o! I9 i ..." m$ I# u! l+ X0 e c" p
else5 K9 n6 {& p2 W6 \5 V. I
<statement sequence3>;# \+ \/ b% a0 t# n; \ `7 {
end;# o7 X" |. |# E3 ?, |
5 I3 w# t/ w6 n) b: {
2循环语句# X9 K3 O" F* g, x& v
(1) from <statement sequence1>
# n; N* d; z2 y. J& o until <condition> loop
4 O5 K' Z4 n' q) g <statement sequence2>;
3 A* N1 {+ l- d end;
+ a! V4 `/ ]/ O6 x. v (2) while <condition> loop& y7 f2 j3 H1 p
<statement sequence1>;
( z$ H- N$ I# b" k$ l! \+ E end;3 p$ M! K$ N0 n! P' G
(3) repeat ) x" C9 [; X9 Z$ o
<statement sequence1>;
$ L9 B' j% e# y) e5 J until <condition>;) y) J4 \0 {7 A$ I5 Q r
(4) for <condition> to <condition> loop
% X# i2 s6 s, W7 o" y <statement sequence1>;$ e( r, o) X* Q( |, E- K/ i+ I* \
next;4 h( C) m5 I5 e4 M/ M
3中断语句2 `& K1 k3 j+ O* P
waituntil <condition> prio <integer expression>;
6 G% U# y( d1 A0 c% g" z9 E5 s! Y! p9 \$ |
& m+ ?) k9 r; \. B. v+ b) ^
以上为常用的函数！( y3 e2 v _. X" H6 q
还有很多，如有需要我把资料发到你邮箱里
, |, b9 f4 _9 u
; {. s$ a7 T$ g( N& J
$ i1 C7 T5 C. |, s9 s3 G) Q# h6 T" r- E
! o/ T/ X' ~1 X0 N) E# ^- P9 e4 I4 ?2 ?5 H: c3 W) n
2 `+ s: n: \ N, ]
3 E# {/ I1 A) W9 x7 r( g
3 _7 p0 _: X7 P+ l7 _
, K- d, J4 W3 m- M3 d l; p3 q
; Z, F& G8 K" v |
|
[复制链接]
