|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句2 @. A4 R& I+ A+ w# {
if <condition> then4 Z) E/ A+ B8 ^# t
<statement sequence1>;
! S- J- i P" O7 m+ K# \ elseif <condition> then
- H$ U3 v% ~) {( k. {$ Z <statement sequence2>;$ q, R8 H2 u: m: d: G7 Q* P
else
2 @. A/ l9 r' c8 p6 W& n <statement sequence3>;8 f6 V6 |1 Q. U1 A
end;; R. H2 `. O( d, o" |% y# N
如果分支比较多，用：0 C3 U! k- @5 u \+ d2 a
inspect <expression>
& T- P4 F0 r6 Z2 r, _5 a/ W when <constant_list> then
4 [% o& ]7 F* g! v9 n) T- z <statement sequence1>;" b! A! I/ {- `, z* n8 J
when <constant_list> then
! H) u" Q/ N4 k4 I: P2 y9 D <statement sequence2>;
5 I! C! m) A- G S4 C1 s! L ...$ `: r0 p( P7 q5 J" i# X
else. ~; ]$ _( X* k. W
<statement sequence3>;8 |; t/ l2 E0 V5 y4 A3 A
end;8 M6 m' C8 r1 s* }$ s
9 F8 S+ [* y- o' p
2循环语句
6 I% T$ l4 j: U (1) from <statement sequence1>
9 B6 }) y7 ^- }% a; P$ i until <condition> loop6 C" A+ i4 V. j5 {% F$ f
<statement sequence2>;- D1 f; J+ v* K
end;' O% ^( N" Y3 t5 J7 T! z" S( q
(2) while <condition> loop
( h e, N9 O4 n3 j9 X Z <statement sequence1>;
G- h u' g+ C, p end;! R: \5 W; I( h7 |3 Q+ {, k
(3) repeat
# @- Q( J% U7 G# R <statement sequence1>;
8 i8 v8 m1 F& _; } until <condition>;+ x1 K# b& V; \% v" d
(4) for <condition> to <condition> loop
9 f0 W+ J2 f! m* `/ a <statement sequence1>;
7 q% C- n% K! ?9 @' i1 @" ? next;. B) [# X4 O1 Y( O
3中断语句
, U, s0 h4 Y# y waituntil <condition> prio <integer expression>;
: Q8 x8 |1 Z6 J; q; z+ M! C9 w6 r6 H* E( F; c' m; x
: e! v' X4 T2 V; U; I* `
以上为常用的函数！
9 w3 Z7 f1 ~6 Q8 v3 Y w& I' _还有很多，如有需要我把资料发到你邮箱里
3 `+ R6 e: l4 h, r6 U7 D! G; c6 S% g l& A: \. J( B- l
y. `# S+ U6 j3 W
0 P2 w* t( @8 U) ~7 a
2 i5 Y# j" M7 w, I
2 O4 Q7 V9 G' y/ Q
' z5 q1 K$ A1 t% g3 X5 `2 A
1 P) O) |: g" }. ^$ }
: G& f# h2 M; E6 W
- s: X* ^ W! F ! `) L: X- `6 {6 a2 ?
|
|
[复制链接]
