|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句3 b9 W `) g$ g) o6 U( O5 K
if <condition> then9 l( B; o4 X7 o* U. I2 Q' t5 O, K ]5 Q5 _
<statement sequence1>;
" N8 o5 G4 j* a, F elseif <condition> then
) z( c/ t3 Z8 d7 I9 j <statement sequence2>;
$ g) w% L% _1 Y3 r$ J else 6 K6 M5 A' Y" L9 a P
<statement sequence3>;5 @# ~+ k" E2 F% D7 @% Z
end;
- t+ h6 u0 P1 {- s0 ?如果分支比较多，用：. c- ~' A& H3 Q: [9 w1 s# u
inspect <expression>
1 R+ c C% g* X/ H @# _0 O6 C when <constant_list> then x" ^1 i( e) `, @) m8 H
<statement sequence1>;' @' G% `: `8 ^! ^9 a( U6 F
when <constant_list> then
5 I% G1 x8 f0 P( L5 t; e5 ^ <statement sequence2>;; I7 c1 ]4 }9 J
...; E* A, [5 Q% P$ i
else6 a3 r! M9 x* k) m
<statement sequence3>;
, `* C/ l, G! {. h% j" H H/ y4 ^end; ]$ c. j7 ^, F" c* n
; w# c6 _3 ?( k3 H
2循环语句- p: Q( m# T, z, Y9 ^* n0 J
(1) from <statement sequence1>
/ j* |; n- p$ b1 { until <condition> loop
_' o! L7 `$ I2 s- J <statement sequence2>;
+ S: ^4 v. R3 Z& i end;3 O* ]" I1 s i! K: d' S
(2) while <condition> loop$ ~! [' m- E2 N: g( W/ T
<statement sequence1>;' r, M% F; `* f, I2 y
end;; _- x$ Z2 ]) f2 M9 l* Y
(3) repeat 1 V4 Y% f% ~* m$ _" s8 n# w' p1 x
<statement sequence1>;! S: X& w9 X: d- E8 o v1 v" K
until <condition>;, x: w2 a' N) y
(4) for <condition> to <condition> loop' W T5 e- ?3 ?3 }4 z5 L; q
<statement sequence1>;
; X% Z7 e0 r% I next;
7 j, D) U* N4 n4 o3中断语句
/ b: ]! g1 b+ O+ R# a9 t waituntil <condition> prio <integer expression>;# n! z+ ]/ @" ?# R' ` e3 H% E0 M2 E. \
8 W5 O. |# Y- ?# C+ B0 K: |* G4 [% x# h
以上为常用的函数！
5 m& I1 A# k" i0 w1 G2 W% K7 W还有很多，如有需要我把资料发到你邮箱里
5 f2 m) o v4 p& p/ ~- ]0 U$ P2 W5 T5 ]4 W
" D3 S3 I0 z+ }" a" G% h$ L- B0 x) d! [$ T. o0 c9 I7 G7 h4 G$ _, H" o
; A# j: ~# M! f7 K9 ~0 e
- b% P# |1 |6 X( R Y' P5 _# {- `+ A4 R
' w1 m2 @! Q R) L. n
- x, M" o# G8 k& P# M
; ?6 v# E c; v
: p! G% K; V# W/ f z4 {. ?/ \0 [
|
|
[复制链接]
