|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
# U2 W) R$ M6 p if <condition> then1 u4 E# h- C5 R5 w0 J2 I
<statement sequence1>;
& E0 O! }, X6 X! w# R# } elseif <condition> then/ G) m5 o7 a0 S( @' `0 H
<statement sequence2>;- h. P, y0 w3 W
else
5 u# n3 M( Z' Z: }" b4 ]0 X3 K <statement sequence3>;
( e n! u; U8 r- P% _6 o# d# G end;, a: K+ O5 U: ]. B7 C
如果分支比较多，用：2 Z% \: i% R* `" i8 R) E
inspect <expression>, ]4 L/ N8 Q" P# L. `
when <constant_list> then
& W- i+ b# R$ K5 a+ I# M' k <statement sequence1>;
7 A: [8 G) U& ~5 d' a. G% `! { when <constant_list> then5 Y6 q; {3 O! Q7 i: |
<statement sequence2>;0 S& D) W( a6 l0 `. l
...
3 \& y) Z: v0 h7 D else
, }9 G1 {5 _: [" c <statement sequence3>;4 f4 C I4 m' l/ \' S$ k: U% G
end;
2 t$ x* l' o( `3 K- \: K v
7 O) o4 H' F2 l# X3 {& f- n$ f% E2循环语句6 m3 R; H- K+ N) E! F
(1) from <statement sequence1>
5 F# g) u% v) L5 c1 d$ T until <condition> loop% Z0 C! Z6 V( C. n) O" M8 S
<statement sequence2>;5 z2 x- `0 L1 o0 w9 y4 \
end;
/ {& |9 x( ]: l: S (2) while <condition> loop: K3 M4 I% N' _* p9 @4 @" P
<statement sequence1>;
4 j" K2 v, f X& V end;5 ~+ P8 c; ?" P c( d. o
(3) repeat : U, o2 R7 I* n* O- o' x
<statement sequence1>;
3 j% U1 h) @2 Z. w0 H q until <condition>;7 X, n- V5 o, O/ d! S
(4) for <condition> to <condition> loop
! @5 b- ?+ w8 n- e& F: v$ y <statement sequence1>;
0 s, i! v! q' e next;4 [) h' W9 N. C! E! R3 P
3中断语句) X( M" O$ I3 w/ o1 r$ o
waituntil <condition> prio <integer expression>;; t, V6 @8 _$ k' H2 y5 E7 l
5 X6 M. T) Z9 g+ l x
M8 A* ^% B6 l" h* l" s以上为常用的函数！
9 h. J! z& ]" C8 {还有很多，如有需要我把资料发到你邮箱里
# A* q! J& H: z, z
% b5 {! v1 P% {% p6 w6 Q
! k* ?" Y, Y0 P& |) C3 @; T9 j8 C4 p' e5 x
* p( h6 @+ S3 m# h7 }$ {( `: o( V! {7 p' { ~2 n% s# E8 z
7 W ]; n! s |/ ]9 o/ n: `" U- ?2 q+ n
- ?. y. @# B& f6 Y; R' g8 a2 [# o4 n, ~- M' T/ C
6 D4 {5 \' ~' M3 r" s9 ^7 `
. t" U) p+ E# f: G, ^7 e8 G F* B+ o |
|
[复制链接]
