|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句7 g! f4 g N8 l' ~4 k6 p
if <condition> then: ?0 y2 Q1 d* W& B0 p
<statement sequence1>;
j. z* L ~- Q4 `. x h1 Z elseif <condition> then" L1 v' I* w- U* ]0 I4 S7 H
<statement sequence2>;
( x4 [4 ]1 r" b$ I else
' e2 R& _4 G1 ~. O9 x- p <statement sequence3>;! K$ ~4 k6 t& P
end;
! Q" W6 V. G* { F如果分支比较多，用：
$ N. p" @$ S% t$ \7 e inspect <expression>
% ?) Q7 H2 f; R" ?8 Z1 ~5 T when <constant_list> then) i& Q& r/ p N. U
<statement sequence1>;: `2 O' o$ }- z" r3 ?+ h! O
when <constant_list> then% M! d [4 d7 g! s
<statement sequence2>;
5 t4 U# m7 }+ r, l- F8 f ... s, n8 j3 V" Y1 _- ^
else' |( S; C2 m! Q, v
<statement sequence3>;; l- d# Y% i0 m5 D9 a
end;( c4 M1 s+ R9 x$ X7 w* h+ G$ a0 `
) y, _ a! s' Q" c
2循环语句
! O* U3 [% K. O! F. C (1) from <statement sequence1>
+ J+ l* M) X+ Y+ t; r7 |+ Z$ ^! W until <condition> loop
, ?7 Y/ b. `( Y <statement sequence2>;+ V# F7 ?0 s- p' i) q6 x
end;( V5 l, f( ]; v6 K- U! Q7 x9 E& S
(2) while <condition> loop
9 C) r Y1 D$ j+ M% M) ^7 E& J: ?0 H <statement sequence1>;; s1 S# z- Y7 |' u0 O e; Y, U
end;
- S! S q; W0 }2 u6 A6 b; F" I (3) repeat g! y+ {% r7 @7 E6 }0 R u
<statement sequence1>;. l& F/ K$ _: u; c; Y
until <condition>;
/ T( ]) h" N+ C# `% x3 U& k (4) for <condition> to <condition> loop/ l) L, O! G) g1 x0 I( \
<statement sequence1>;
0 H \; F5 }3 ?3 E) ^7 z3 ^& ]7 s$ b* X next;: W5 }6 X v9 W
3中断语句
R$ |$ o2 k$ p/ Q$ S; w1 O; A waituntil <condition> prio <integer expression>;: R6 `' [& |; U" y
1 o2 ?- K7 L1 K$ p) l+ e" U* {" h% P- U/ M! S" L) L" ~
以上为常用的函数！$ N$ `& B! h* D) M, `' o
还有很多，如有需要我把资料发到你邮箱里 ! Q5 b5 U& U( }0 Y! I; L
8 K9 B- r; S# K }8 v# a( V5 z: I, |1 `+ Y
+ g8 P9 G) X/ O2 S0 @1 v+ k3 m
6 x! {$ a( ^# v1 S7 t2 A6 a
w" t( Q) _) \& J% L: p7 c {* Q) p' {6 j* v
5 p! ^; |! `$ u" V/ F% a# c! b, q
% k b1 w* [/ v) I% ~: B [8 R# t% o n( b8 y! Q( ?
' ?! b( I, e$ P, B4 A, h; k
|
|
[复制链接]
