|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句1 i, Y5 m9 M0 e0 E; k. R. S# b
if <condition> then
( |; [+ a) [4 {/ Y- q# @3 C0 X2 f7 \ <statement sequence1>;% }- H( Q) D e
elseif <condition> then8 }* z) {" N% Q1 A
<statement sequence2>;, O0 \( Z2 W- ]
else
* W/ i2 _5 k# f2 z3 S <statement sequence3>;
& m0 v$ y7 M( {- k% @* F end;. y5 @ U6 \& h j9 c5 ^" C' }% ?
如果分支比较多，用：& q- u* Q$ }: p( k* u
inspect <expression># s% v! l$ A1 |9 S# a0 d
when <constant_list> then: p# W2 \' U6 V# `* E. I
<statement sequence1>;
, M0 f# ~; Q1 o4 ~* M when <constant_list> then' W1 c- \2 x0 A9 V$ d0 ?7 @
<statement sequence2>;. I7 W, x; g b4 h- H2 s( h
...
, ^- f; S" w. X else
! u$ k% m! @3 K0 s4 B' Y) i <statement sequence3>;
' @, e3 ^" q8 I& a7 I }end;
A8 V+ o2 n6 p8 m' a
N, M! }3 S' n5 E' H( u2循环语句
1 z2 O: Y' x/ { (1) from <statement sequence1>( j- X* C7 S n& U$ h1 t2 X! g2 e
until <condition> loop2 |, K; W8 B( E" T! I
<statement sequence2>; `5 ?. \: T+ Q, U0 U2 D
end;$ b, ^" q" k2 z( [5 K$ P
(2) while <condition> loop
6 @3 N, Q& a9 W2 I; ]( T0 J: h* g <statement sequence1>;6 k- v7 K+ t* J: J! c9 u) f @
end;
, k1 r" W7 F% i$ y; |8 R5 I% V (3) repeat
9 k' k0 w# r: i4 _, P8 n) H n <statement sequence1>;
: A/ j# X$ |- ^+ X8 Y until <condition>;+ Q( S" n8 }$ K4 h4 s; m
(4) for <condition> to <condition> loop2 @, g) k) l' q( w
<statement sequence1>;
8 x% ?5 b! I' x4 F+ k# `4 u: b9 s next;# _$ d/ l, Z( k5 X! i
3中断语句
+ v3 Z! p; S! t8 o9 ~3 p waituntil <condition> prio <integer expression>;( _9 \5 y3 \1 c2 w1 E6 L
4 Y% g- O/ t1 ~1 w; ^! X# w7 b
: ~) W/ K! r+ P+ r以上为常用的函数！) I. [8 x2 U+ c7 J; A
还有很多，如有需要我把资料发到你邮箱里 2 |* E' I" o* D1 n3 N9 P9 p
, j( b) ~ k2 T) Y
6 v' [% ^9 I4 W) b% g# P4 g) X$ {* B
- }! C# M0 K" F
$ ^3 A- N5 m7 X! ~' a
5 N# N) a/ L% C* V; v5 O* ^0 P
( | r4 p$ N* D# \+ [
$ M) Y$ D+ [+ \8 a- P4 I
& o5 u N$ {* H9 {; D9 Y4 s5 j8 V 9 C- E, a4 A' e& i9 e- {! p2 x
|
|
[复制链接]
