|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
9 t( X: b. j" F8 i( P9 c) O if <condition> then
3 z! ^. V) ^" b b G; H3 g" v <statement sequence1>;
! N5 Q( a4 \1 q6 B" N( w* }6 E elseif <condition> then8 C9 J/ S/ S# b2 y. ^
<statement sequence2>;
$ s3 {- {1 n( k( a else
2 b* }- ~3 ~! N& g1 e& V) S- `. O <statement sequence3>;+ g5 Q9 r0 G/ j" O/ q
end;. g/ c7 p7 [6 @/ H
如果分支比较多，用：# z, c4 Q" ^- R7 ] y- L! O- Z
inspect <expression>( L$ h+ L1 y' |! Y8 F. C
when <constant_list> then
2 ~: I6 ]0 h4 x+ o* ^0 f) I <statement sequence1>;/ F" W4 T, C" O
when <constant_list> then
9 \# Y6 |3 z- [% ~0 i; ^0 ^! Y <statement sequence2>;% j. t: b& E/ M2 ]
...9 T0 @7 j4 P$ b3 q% W: N* \8 b6 q
else3 v& m; `! ?; V1 h$ q' y F$ Z$ J
<statement sequence3>;
4 a) K: B q- F3 |2 i9 gend;
* m$ U; ^) U- g% Y% V$ Q
) Y$ U0 q! ?3 M2循环语句4 q' Z) K2 P" a4 s. b" c
(1) from <statement sequence1>
: U& d7 i7 s, ]" `3 `. [2 h until <condition> loop3 J: F# k2 S% U$ T
<statement sequence2>;
# C% l) I# X9 p; w( ^; d end;5 {+ F7 `: K# n, q- E6 s3 h2 m9 W
(2) while <condition> loop! Z- u8 P w3 M1 l' F' N+ i
<statement sequence1>;
8 _/ z9 S( t% f) w end;4 ?7 {7 e" s3 `6 N2 F0 r; {7 p
(3) repeat 9 k* n, j/ z4 ~ s8 L
<statement sequence1>;
' V3 B& l" |) S' m7 X until <condition>;
/ D! O5 o+ s5 E" c& N (4) for <condition> to <condition> loop
: z- C2 w+ e# E" G, Z0 q <statement sequence1>;
6 a4 g" y( Q" j- g! H next;+ t, `2 e) ]$ e i& w0 L% K% v
3中断语句
' U5 B9 K/ o* P% @ waituntil <condition> prio <integer expression>;
c7 ]; C3 ~1 v: h, L7 ~3 B2 V4 v7 Z6 T' f& W( q* ?7 ]- r& T4 `; ?, U
& W) r0 R$ Y4 X* k
以上为常用的函数！
8 E8 j h' V- W* ?8 k5 U还有很多，如有需要我把资料发到你邮箱里 / d8 x# Y, i: J2 A
' S' @7 H' I" L& d8 l$ b/ ^& {
: ?+ Y( G+ r% L
) h, |; M, s0 Z8 d) |# Q7 A' l
1 C+ D$ P. B3 U5 e4 j+ y' Z1 b2 l$ L
" `: H3 x0 {3 [* \% e
" x4 S/ X$ C2 K+ _& n
$ ~# } V! G: \8 z7 t1 R
; t5 U! o/ K& g( o% R
9 `1 z2 `8 I6 g5 r; R% w1 k
|
|
[复制链接]
