|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句' {+ f5 `- j P5 U. b
if <condition> then
( G5 g. W k) t' j; o <statement sequence1>;
6 ]7 Y) r% ?( m6 _ elseif <condition> then
6 s' Z+ G8 F) B3 i <statement sequence2>;4 w4 [5 n/ k, h2 j- ~: o( [
else
. n; x# h5 N/ N( U, Q <statement sequence3>;. L9 @0 M, h1 R0 d- {2 e
end;& y z& B0 G p3 d$ h; H+ q0 e v+ ^5 K
如果分支比较多，用：
% @2 i/ }4 Q4 ^ inspect <expression>
* D8 R- Z8 f- O. y+ V when <constant_list> then
4 [0 k* j9 ^9 ]" E+ \( s <statement sequence1>;, S) z! p9 V; }5 }3 r' H
when <constant_list> then O, C4 f0 J5 B8 | F
<statement sequence2>;
0 |" X# @3 u% H! @ ...+ @# {* N5 n! s- F" x
else0 D5 G& s8 }2 Q2 F% g5 q6 ]7 ^' R
<statement sequence3>;7 a! j4 ^( {" c
end;& B9 U( q) n) k* i! x5 x9 H
: d; y! r0 x7 `7 I- Q0 B! `2循环语句
]( G% r3 k4 J1 Y (1) from <statement sequence1>" D4 {! g9 d; u* [3 \
until <condition> loop
' k0 G9 {4 q0 X( C% C$ u <statement sequence2>;
% S# w, }: L; v0 W5 [. @" U9 G& p end;
( d/ {0 E9 e0 q4 { (2) while <condition> loop0 n0 m `9 y& l% i) n# U( q
<statement sequence1>;
& a7 H6 i* I# ]' D2 ]2 e. S end;
9 D! _" C0 d+ Y& L (3) repeat 5 ^/ I, [( \- b8 z% h( y, q
<statement sequence1>;
5 _% a" V' u. L until <condition>;- F6 ~9 }! [' m- M# L8 Y6 M: g
(4) for <condition> to <condition> loop# D- b. y3 Q8 K$ R
<statement sequence1>;9 L% O2 t9 t7 I6 }' a
next;, Q4 Y. j9 j6 S! L) ~
3中断语句, h X$ R. g: K* a8 {9 C& G; I# e
waituntil <condition> prio <integer expression>;
% B p& i, m( ^1 A: ~/ ?( E3 X2 }& P2 @1 I# g
$ D" W0 P. ~4 S9 N' E% U以上为常用的函数！+ }7 S' V0 Q- a9 U+ [
还有很多，如有需要我把资料发到你邮箱里 $ p2 E% B0 X2 l' j5 `- `1 l
5 @1 N' ~# E+ {
* `- D! `) d% ]# X8 ^, p
) A+ o" V/ ?7 `5 ^7 M; i9 Y2 j 7 P% v4 s$ f' v+ X
, G4 m! D9 \4 {) O0 I( |4 {4 b5 `" U
7 `$ i% t! Q1 o8 A% `4 e# L6 C- p
; T6 f, S1 u" L2 ?8 [
6 ?# Q) p/ ?; M" E6 C
- _+ u7 y. E! ?7 B: x
|
|
[复制链接]
