|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句3 }8 `" F4 p/ m. o7 e9 |5 H- K
if <condition> then
! {6 ^! _* |6 {% m6 V, \ <statement sequence1>;/ c e6 T- p# g2 Y9 w
elseif <condition> then
# ]; v3 B/ {" U9 p- k) i2 d' M/ | <statement sequence2>;0 Q& F! N4 H) q1 c$ X4 a; }. B4 F! h
else
" {( \' J$ u, H1 V4 N. I" M* _) a <statement sequence3>;
2 B" O1 N9 Z. X end;
2 s8 y k3 b" @* o8 J ?如果分支比较多，用：/ K0 r% }* ?0 j
inspect <expression>
6 z( Y% s# J( X2 @ when <constant_list> then; g: a/ ^, b7 w* O0 S2 u
<statement sequence1>;
5 y. @- t: M' a6 f) k) |/ s when <constant_list> then
6 D6 h. ]& L& s# h% z" }' p <statement sequence2>;7 V- U( Y8 k: y5 m6 [5 u3 s
...
* K8 l- U% {! W; f/ p else
" }6 y# O% e, O- ^) m <statement sequence3>;
: f$ g5 y9 L7 E5 C- i( Tend;
' Y1 p& f+ E9 t( n& \6 g* h
% f" s: X; C- Y) Q+ S2循环语句
* @( G, j7 h* z( i3 d* P9 t) R4 t (1) from <statement sequence1>1 O# s6 F7 U2 R8 [9 S* R
until <condition> loop7 F* d* c9 F3 D8 i4 s) S# L: f
<statement sequence2>;9 p) P. k5 X7 c+ S% k0 ?
end;! Y' P- I3 a7 L
(2) while <condition> loop
1 {* y% |' q9 H7 k/ R/ d# c <statement sequence1>;
8 o) ^, }" L) [, V" N end;3 R. Z( e2 t. q3 I) C
(3) repeat % y8 t* h- x4 f' r# w# Z
<statement sequence1>;
. o2 i* Y4 t( }1 K5 c& s0 c; J until <condition>;; c3 @. N( a' E8 N
(4) for <condition> to <condition> loop
9 `/ [; h) a8 C; O2 D8 c <statement sequence1>;
2 M. F5 w+ v( W1 M$ I next;
/ r5 i5 V& G( ?/ M5 Z2 R% G& [3中断语句, ]! t2 A" \; N; z1 d
waituntil <condition> prio <integer expression>;! K% J! {- A+ d5 B, ^
+ M6 i# R [' ?
# t: M. Y+ S) M6 }1 J& Z2 D0 O以上为常用的函数！6 n: k; J0 d, p: a! A6 Z
还有很多，如有需要我把资料发到你邮箱里 ; c: i# r$ [: Z
% A0 @' b) m; e/ a
% l, T! J- E: P$ c8 j) v, a
$ X3 N8 c S6 T( v2 u& p, ^
$ I4 U5 i" g f9 N: b
4 n3 G' ]' v2 K; a. m/ a* v$ s/ s4 f$ G- t' Q, {; J% m8 U
' \$ T. j/ X3 K- H4 ^; K4 A; y' Y
! j% B1 {0 O8 N2 I5 V1 I
' n7 B3 G% c" f B, J
2 ^3 U V. i( r& i4 k2 O |
|
[复制链接]
