|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
9 ^, p( v# b9 m# y7 L2 E if <condition> then
0 y( h1 r5 W* |+ f <statement sequence1>;
4 J( Y5 c0 z% b& u2 G- z) i' f elseif <condition> then& v* Y0 l5 u$ z$ e2 d/ i6 I
<statement sequence2>;
8 L8 Z( g. m4 y' }/ t- S$ F5 g else
; o. N. P9 k+ q8 L! x3 w <statement sequence3>;
! f- y* i! z( `0 A end; T+ K5 V1 T |- V
如果分支比较多，用：4 h2 r1 E9 Q) K+ w! l J0 u
inspect <expression>1 s* ~% C X/ {. X
when <constant_list> then
, l- k+ V. K3 o! x3 }$ [; M+ ] <statement sequence1>;
; [$ X, z: L, l when <constant_list> then
- P% j& ^ i: X: e- o <statement sequence2>;
, X9 c) I: R$ N3 o* d' z% o b/ W ...+ Z% R+ O8 K/ Y X) n, ~' K
else* G2 e& y/ ]1 i3 \
<statement sequence3>;. a& _4 ~) U# n* L* _
end;
- H4 | f% ]( W; P0 H3 a/ i8 ?$ e9 I$ K# P5 F8 W
2循环语句
0 O' |0 |* [1 N% }: p (1) from <statement sequence1>
R+ H$ _5 {( N0 d8 Y1 l5 k until <condition> loop" A U- w7 W; H5 F2 q9 d7 g* P
<statement sequence2>;
: b! V* n& {9 b7 [+ i end;* h1 A# w6 I4 [ B4 F- Z0 t5 f. D5 ]2 U+ B
(2) while <condition> loop
& B( r# N& n$ W7 M9 c <statement sequence1>;* a) q3 A" I, W4 W" F/ w
end;
' [" J; y& V0 f (3) repeat $ {9 F; O; E$ e& A
<statement sequence1>;$ s6 R+ m" X$ p7 H
until <condition>;
% r* n7 {. B( u4 K (4) for <condition> to <condition> loop$ V: O- P& I+ g3 g4 c. T1 x% j
<statement sequence1>;
, t5 A- x- j/ O4 V2 L! l next;$ p+ V8 m8 W7 J" ~
3中断语句) N: Z3 S; |/ z
waituntil <condition> prio <integer expression>;! d- B' k! [ [& r5 X5 r
' O, z" e: m* ?; V8 a) h, [5 M
5 W A3 u7 I2 r) ^以上为常用的函数！" f9 J, t+ ^3 n4 _" ~- B- J
还有很多，如有需要我把资料发到你邮箱里
c" l. B V3 T) ]3 y2 E+ X- f( \+ K
3 B. q% I: J0 j4 V( B) [
6 f* g# M( ]. z8 s- a& k
2 C6 Z) Z C: H& e. w2 Y0 `+ Y
1 E" \3 ?% _. p( G# S. U6 d4 ?' |( f1 Z) _) p4 }& i( y
5 ^, | [6 F$ \. Z
$ `) j8 m6 B; A
: s# ?5 |+ x8 f- l- t, k+ k
5 l2 j) ^3 Q* _& f. f7 l |
|
[复制链接]
