|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句6 f% Z/ j! N* V
if <condition> then
2 q; p1 O* z9 ~2 f8 m <statement sequence1>;5 \7 B7 }8 o$ E) S% h8 v; t6 I$ |
elseif <condition> then
' c+ S8 h& }! }$ g" z <statement sequence2>;' Q* ?; F0 ?( z2 ~$ \- h0 B- p! J2 K
else $ u- k# s7 R, x3 X+ I5 R
<statement sequence3>;
& N5 _# n! o: \ i5 H end; D6 S6 W- W3 z: @6 ?; D
如果分支比较多，用：
6 [5 { @4 K3 M% H inspect <expression>
) i5 R5 b; ~! J0 J' E* V when <constant_list> then
7 @6 s" s: W; |$ W4 u: \ <statement sequence1>;
# F- P, v" N/ p$ c( w. l# i when <constant_list> then
# Y1 d+ ^6 B! l* ?( @( E" H <statement sequence2>;/ |7 J4 r. o2 @
...
* K1 f& @2 K) @. a else
$ g8 D( b! A* m" A3 J! r* U <statement sequence3>;
; `8 C4 ^9 H& h% nend;- l# K2 ^6 h3 @5 y: k5 W4 Z! U: Q: {
7 J9 G% a% ] T9 q7 I2循环语句
. g' k: O% g/ a( u h+ d (1) from <statement sequence1>6 V* S: V0 Z, t6 _, O3 H( p
until <condition> loop
1 U" O& z, H4 I& o# x <statement sequence2>;1 r0 \3 |8 B$ C* T, U8 Y
end;+ K8 K6 h5 _+ P+ t! Y' J
(2) while <condition> loop- ?6 u6 N6 d" {/ U& `8 r6 G
<statement sequence1>;4 _+ g8 Y, Q p$ F& `
end;4 ~' l& i3 R- _7 d3 t2 c
(3) repeat
, g' y' H+ t! r. Q, O8 o <statement sequence1>;. s3 I8 a5 G5 [/ l5 ~
until <condition>;
1 _; ^4 o: b4 h (4) for <condition> to <condition> loop
2 _" v& P0 N3 V. G1 H <statement sequence1>;9 T6 C& z9 n# B( Q7 o
next;. w/ Q5 c8 i0 _" M+ v0 Y
3中断语句" `$ @4 p* B, l# A Y
waituntil <condition> prio <integer expression>;8 ?& @7 E( J# O6 ]
4 o2 o9 |7 ]+ p
# _, M; O% k3 h
以上为常用的函数！
/ {! W& J& _! f5 c还有很多，如有需要我把资料发到你邮箱里
% k) D# R; D) `3 g9 E: f0 [: d, O, U, R+ p# q
d' T4 q' I P0 u0 D% n! I0 k
/ [; p8 W6 l. u o: O( S6 M$ g $ V/ }. Q, W5 \
( w; W0 Q) N5 @ C6 a! X8 {' U/ K9 K3 F* x% b
8 \: U' W% A: w; f
9 K+ u+ g3 \' d |1 _2 L
: G$ A a- J6 O8 h$ Q+ Z; s
: h0 x1 I; ^# r2 g' J |
|
[复制链接]
