|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
" T4 C4 I8 V- I7 c- X$ M if <condition> then2 c, G' R* w6 Q
<statement sequence1>;' B6 ?; r+ W6 _! r2 w* y
elseif <condition> then
. \0 C8 X) Y) c9 z7 \ A <statement sequence2>;
# A7 M6 x, k$ ^8 ?) K else
/ ^& X: A4 A" a, v <statement sequence3>;
! j9 b0 W/ a5 M$ O& E end;
* C9 c/ g" ]( |- Q6 M1 w( K如果分支比较多，用：
) B! d) O! ` e' g/ M8 `' b inspect <expression>
. ]: ?- p5 L6 S, P9 N& Z when <constant_list> then
! P u: W3 v& g" D: _ <statement sequence1>;- V* ` D; S3 |/ E% y
when <constant_list> then
4 L) V" ^! P; v- g/ b+ l4 T <statement sequence2>;
+ d' i/ {4 E1 d' Y# M+ W: S ...& w% [1 j6 u1 n) X
else
9 h6 n/ \# n8 p <statement sequence3>;+ s7 h) E+ J) i5 m, ?
end;, @' M6 C3 r1 z
3 {2 @! F- v# F1 L% I+ Q2循环语句# b9 H; F! j* u2 d9 a$ y
(1) from <statement sequence1># r' n/ n* q3 ]& x
until <condition> loop
! [0 S+ Y, e+ A3 m5 {- e! a8 x D <statement sequence2>;
* M" w9 V1 L1 k8 ?8 Y end;. Q# Q8 G3 x" k9 T
(2) while <condition> loop
/ M/ w0 G6 b( F2 m <statement sequence1>;
0 d5 B- A- B2 E& k end;, _1 |; a( r2 t5 d8 S$ _
(3) repeat 6 S, C- @6 Q% p2 U% n
<statement sequence1>;
+ J1 v9 w# q% m9 H# E) v until <condition>;. h0 p$ E6 x5 l3 {
(4) for <condition> to <condition> loop0 e2 ]' P% L6 }/ Q+ k
<statement sequence1>;
) v" i& P, c9 R3 T1 T+ ~ next;& U; p) h, f) p+ k& Z
3中断语句+ r6 j# w- R4 y; l+ T% A: u" `
waituntil <condition> prio <integer expression>;
0 c W b- F# O' E3 g2 \' p: }& u4 |5 X8 h2 N0 K2 F4 y: m0 p
0 ~8 Y$ o( E8 C# V& w4 G/ n$ d以上为常用的函数！
8 s3 M) b& ~5 V: t还有很多，如有需要我把资料发到你邮箱里 + e* p7 i/ n; _; G
5 G( T! X; }2 O' o4 c8 u
0 p: U A' V3 e! ?, q
/ \# O. j0 a9 H2 n) a |
& W2 q6 H+ p+ Z. @) e4 {" f# [7 {
, ^0 p% g8 ~( y: z/ E3 e. x- K& a' H
/ u8 M0 T7 f4 S6 A
' w' t$ S2 T% h& M0 I" [
; E8 K# K1 `5 k
8 \1 o0 \4 z' C" ?) }& i; | |
|
[复制链接]
