|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句3 [" J: t4 M( o
if <condition> then
# i3 {: Q: i$ ^4 R. ~% G8 z <statement sequence1>;
3 N+ p# I) O4 }; M3 q3 e) w elseif <condition> then3 M& v8 h7 c# C
<statement sequence2>;
5 n0 L/ U; r. x; J; J else
; h: s0 b7 |3 a+ F Y. F <statement sequence3>;
3 n1 P" ^- D; V8 q8 y. k/ z1 B end;( V" H2 S( a4 R6 W
如果分支比较多，用：$ K( _( O$ r; F0 q4 n
inspect <expression>
( C( r: T+ S3 y( ^ when <constant_list> then* o, S, g4 D# r. d" i
<statement sequence1>;* q0 x8 A6 c1 g1 E: S$ m
when <constant_list> then( p4 q6 d( @5 ^* E
<statement sequence2>;0 `* y3 t) @, Q5 ^
...+ h* `- x0 ]# U7 f
else
- Q5 D* d1 q6 [: J! a <statement sequence3>;
7 U$ `3 s* d6 b, R. t5 n4 Fend;3 Y- j6 D3 Z% s9 o' r5 C
* h) ~4 N4 Y V% r( Z
2循环语句7 h! r' W0 Z6 F; N
(1) from <statement sequence1>
3 [& a( }* m. Q, D( m# X' |9 z until <condition> loop0 [, m, J: Z; ^- G& X% ^: s6 ]% x
<statement sequence2>; R! \" ?) ?; u
end;
$ d) P3 d3 M2 j# @ (2) while <condition> loop8 B0 U+ ]; n l# [
<statement sequence1>;
6 M- n1 E" v: z# T2 V/ ?- h end;, F% d2 k) d q
(3) repeat
. z/ w3 i. m' X/ @ <statement sequence1>;
: e! a( V( w6 ~' _: J' k until <condition>;. T% V7 n( Y7 C, N
(4) for <condition> to <condition> loop
! w+ H" o+ c n. W0 L. Z <statement sequence1>;5 \; H H0 I0 `% |
next;) n0 |8 O! p2 V& L
3中断语句& p- d3 G- l6 S& Y2 h
waituntil <condition> prio <integer expression>;4 q+ F! [ I# b( E7 v# |
/ r8 r% _! n2 n2 f: s, Z) o9 q6 Q0 z0 i1 F- X Q/ ]0 A+ k: V
以上为常用的函数！; p5 X+ W8 V0 Y% ~4 {1 _) X
还有很多，如有需要我把资料发到你邮箱里
7 z3 n/ E: ?3 s9 { E) f# \4 J. Y E
4 Y9 p* O. T8 _$ v W+ R
+ }+ v1 g* S2 x: x/ _% C. S* @& u5 z+ X/ p0 T6 n2 k( y( Q3 y
% x1 P# a' y/ ~2 @: Z V0 [
" m' d4 H+ M# R) f; F6 }$ Y% s/ [; H5 U
( y/ J, ?' Q# l1 V7 F
. l' H# X; U' r) [8 K2 i* `
1 K8 |( |0 |$ y' p. P$ o* ?1 T
m, O1 C/ m) c7 K& B$ |, f' M* | |
|
[复制链接]
