|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
) V2 o& x9 ~3 {% i# m if <condition> then; G$ [' b' i" k: H8 H
<statement sequence1>;/ B! W: O3 ?! K+ G% w1 }2 }3 {
elseif <condition> then
+ W" W4 b" q& z& ]0 f9 [" } <statement sequence2>;3 }/ X4 f! Q/ x; W! Y/ \
else
8 o0 v3 L, m7 [' O) u <statement sequence3>;
; W5 r0 v v$ I7 k, r end;
7 Q! b% h* }+ ]. Q3 j: K- n9 W如果分支比较多，用：
2 o2 t/ z( ?% B4 g4 u inspect <expression>. L( H# ^6 H& @7 M
when <constant_list> then4 a! p6 ^# n7 Q" w z
<statement sequence1>;
# A2 f$ D5 M v* T: K when <constant_list> then
: f$ ^& ^+ M" I" g6 f <statement sequence2>;
; c5 j( |- t n8 g ...1 c3 y- o) c6 H z5 x5 S1 z2 }% U
else) L1 X8 \8 w S0 ], X
<statement sequence3>;8 F4 V3 Z! n0 g8 E3 j8 g
end;6 d1 p1 j! A; R/ }/ Z3 _
/ ?5 w$ Y5 F: u' I; L
2循环语句: Z6 M9 E9 t) z- T9 n
(1) from <statement sequence1>
0 K5 X& Q2 k+ ]) f$ i! e, A until <condition> loop
/ g J7 H" P1 i+ ]% ?! t <statement sequence2>;+ a( _/ p! `2 T! n
end;6 _% ?+ |, h& l
(2) while <condition> loop) @1 S3 u! v7 K- }& Z0 n
<statement sequence1>;
- I. k0 f3 V' f# g& m; `- }) k end;
! q; j/ k. i7 |5 g/ A% R (3) repeat K4 _- f3 c3 G2 D
<statement sequence1>;8 @( f$ g6 d. y% O
until <condition>;* |1 i/ S( S& H; e4 _) E: r8 |# o9 p1 f
(4) for <condition> to <condition> loop
: C% J2 L0 X& a# i <statement sequence1>;, T8 d* M* s( \8 _, ]
next;& S+ {, ?# g$ w# a
3中断语句3 u# L' r$ g) k. {
waituntil <condition> prio <integer expression>;' X8 ?0 P; _. n6 L4 h2 a& N
6 {' D7 v& b% _+ e- h& @4 g0 k' ^. O4 i. J" ?9 i4 R$ ]
以上为常用的函数！
# m4 d, s V9 \! j3 J! h9 i2 v+ J q还有很多，如有需要我把资料发到你邮箱里 - w4 E8 G* c2 M
6 U- f- C0 |% ~! R) @# R+ J* @/ M
" _2 r3 a- Z# Q; c5 A% R
8 e0 I2 q, x5 N% d0 b
o( V$ _1 r- q
0 ^0 n" ~7 y) C# i* J
}% N- g; z* o' S" ]8 J4 u
2 S6 t: Q6 m5 }, D
; f; B+ J1 a6 a* C& ~: y) @& C9 j3 N* [
3 [, L8 A# @8 y; I/ ^ |
|
[复制链接]
