|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
! Y: Y2 k( F1 h. V if <condition> then8 u! d/ p9 l. y- E
<statement sequence1>;$ g! d3 z) ~! V8 Y
elseif <condition> then9 n" C% ^: d0 z# I/ F
<statement sequence2>;. W6 p5 [* x" ~( q$ e3 Z' J
else
$ d& x3 b2 M3 u; Y( n. Q$ j8 S# z <statement sequence3>;
) Q3 b7 R7 n" P9 C, O8 C/ \ end;3 t- N8 V U3 k" ?- ]- l
如果分支比较多，用：9 y! x' Y* M; W# D% P- |# N
inspect <expression>9 k/ B2 C& [+ h+ W# {) N6 N
when <constant_list> then0 b, S% t+ r) M6 u. @) {
<statement sequence1>;9 |, `9 ? Y( e: M
when <constant_list> then
& y! F- Y) Z, R9 X& f <statement sequence2>;3 @9 k2 S, [: A/ K; P( y
...3 Z# x3 e; \1 k+ M% `0 Z& n; X
else; y4 ~) b1 I; H. j, {0 E
<statement sequence3>;
4 e, S0 q) i W$ N. Y% b7 fend;) N5 v+ i2 s2 C; e9 p7 L* t$ Q
5 H C: Z7 S; Y
2循环语句2 v+ D* V0 n8 _4 N8 O; {$ ~
(1) from <statement sequence1>; d/ T& M% w4 t# i- E6 S# ?
until <condition> loop5 y4 P Q, k/ Z* U9 ? I5 t
<statement sequence2>;1 O: W& P0 i% \. m5 @ ~) G3 `
end;$ j- j3 J" b p8 x# X$ T, p. i
(2) while <condition> loop
# W4 q/ k# l1 q# _8 ]; F- Z <statement sequence1>;
# c. H5 o. r1 _! W& { end;* x& z9 a4 R! s7 v I7 p9 i2 \
(3) repeat / l; t" u1 ]8 w
<statement sequence1>;
" p9 \9 e9 j6 o2 ?. } J until <condition>;7 u: W; B7 k" j+ w& F O
(4) for <condition> to <condition> loop
) e* H3 T. z: B- D1 J: ^ <statement sequence1>;# m% \& f# z9 B$ o* Y6 j' g
next;- z" D8 q$ R; w0 ]
3中断语句. o3 }* w9 R9 P5 O
waituntil <condition> prio <integer expression>;! A6 b7 b' K( }: X7 V! X N
- W% K, _1 B0 p* p1 C
- \6 y* o. P4 v) v以上为常用的函数！
' S" p$ c1 Y$ g还有很多，如有需要我把资料发到你邮箱里 $ q3 ?9 A$ v0 S
) C9 v) p: ~* D" |& ]9 F
( ~- K7 @8 a, a# M) c! f" m& R5 _* d/ i P; @! r# i# ]
; \6 s6 ^- b1 p! {# l% _" n/ C- d- @6 v) j/ }
7 s' P7 T3 v# N6 S" g
2 A S4 c4 u9 J9 C: o2 X
- J( L9 U ?2 W1 ]* I
' `" z7 ]- j/ s6 F# B% q
/ Q" o' O' w/ G8 S3 R, h |
|
[复制链接]
