|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句8 \; U, K7 N/ u; `
if <condition> then
9 b0 z3 P3 Z2 @2 Z# w <statement sequence1>;( w7 L2 k% A' Y6 u E. d
elseif <condition> then
% w" P' k. s% a, j/ v b# M7 a <statement sequence2>;
8 T9 X) Y' ~4 x7 g6 z else x( b4 A( W3 r! u* U
<statement sequence3>;
- p2 C4 }8 @' P- r8 ?, G2 { end;+ j; {9 o: i- m5 B% @
如果分支比较多，用：
5 Z' H1 s; m7 ~/ w3 D1 L q inspect <expression>
F6 p+ x/ a6 K" y when <constant_list> then9 c5 l9 T6 b# Z4 y
<statement sequence1>;
7 d" n: d' k( ?, E0 r/ S when <constant_list> then
' }2 T: W8 @) _# Y <statement sequence2>;- b i2 m5 Q- S1 w
...
+ L2 s6 K {( c: |1 d- X else/ Y1 a% I+ {; j9 @9 V1 e8 ]/ Y
<statement sequence3>;
* N; M5 I+ p, s [' vend;- e0 n" D3 L& v( Z
- O/ x9 a, q4 a7 o* f) }8 x2循环语句8 X r- d# d: Q/ p# ~2 {5 S1 D
(1) from <statement sequence1>
% H O* M* e! _ T; c until <condition> loop# v8 U3 K g: W' p0 i* X
<statement sequence2>;- m0 g, @9 @0 H( W5 x0 h4 L! Q
end;
7 L/ ~1 O, w- q' b (2) while <condition> loop) z6 K% o2 w2 {' t! t
<statement sequence1>;
7 _1 M8 _! g5 O! J( r end;
, W& _4 u: j. J R" L6 _$ m& _+ G (3) repeat - D( d$ K9 j6 p" d" d( w6 U1 p }' Z
<statement sequence1>;& d3 m% b0 ^" n3 E. k
until <condition>;
$ b+ g+ t6 q9 C: m4 D/ w (4) for <condition> to <condition> loop
. R" ~3 e6 q, y' E <statement sequence1>;
1 q/ ?: b- y; b& \" H! `* J next;
" `3 h0 f5 L( ^; D, s0 G3中断语句
o# U5 I. f9 w waituntil <condition> prio <integer expression>;- _# ~; s6 K2 n) E
$ Y8 v+ b& }2 G# H& U, ~' h
( q3 R* V1 R2 C- H以上为常用的函数！; B' e. R6 t8 F! E: y; R
还有很多，如有需要我把资料发到你邮箱里
# \6 E( [5 R @4 Y6 u2 { b2 l: Q/ [4 o# H) f4 N& S/ l8 J* |" k& K
, {1 b& h7 R# z {4 P% c* U! I
9 D9 F x, w; y+ [% f) I( @ . E! d* ~9 U6 B# N9 u
1 R2 G# @. L. @# H6 u+ n5 \
0 i6 x: a) e, y* w6 j2 L6 w+ W* H( d! N: o
* l$ F$ i8 [" P, ]# [0 z* `6 @# U# ]1 n
# J! j5 Z6 K2 h; E5 a3 S& D# t9 W' M * i3 r. ]+ u# v+ }7 k
|
|
[复制链接]
