|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
# h7 j8 Q9 n# w _/ H% r3 I if <condition> then
( K" @- \8 O3 M5 q9 S$ ? <statement sequence1>;( C4 e$ L6 ]7 W6 l
elseif <condition> then& t3 g$ Q9 U# _3 e
<statement sequence2>;
/ t' r# n" @5 J B5 p3 U% R6 f else - E$ O1 p- y2 R" y* ?* W/ t/ m
<statement sequence3>;& ~, \' |) E6 a: ? M3 o+ g
end;
. k4 Z' m% t9 `如果分支比较多，用：
9 Q/ p3 \" v+ o, p; N inspect <expression>
! M" z: b7 _3 J- F& z( s0 H; ? when <constant_list> then
1 ^1 k9 w7 o6 x: B" W <statement sequence1>;% v( {8 X+ T. j0 e, A
when <constant_list> then# U3 N5 G/ G" |: H! r
<statement sequence2>;
9 }4 T& v7 m( J ... v# Z; P Y2 d* X
else0 U2 @7 V- T# s* a. |& v0 u% x) S
<statement sequence3>;) J/ d" Z# v2 @3 V1 C+ d. _
end;
# g7 e; {: }( q2 c8 V% \# n
( F: L3 M0 D, Z# U/ E- X4 O' V6 d0 ]7 K2循环语句' K' y( G' B9 E, r
(1) from <statement sequence1>7 i% n! L& U3 G1 J- G( I
until <condition> loop
2 y$ Q% K- [) Y8 Z: A <statement sequence2>;
4 u4 K) d0 h! e- \: W6 \) y# S end;. @ g6 _& t% [3 O4 S
(2) while <condition> loop0 S: ^+ U0 e# z
<statement sequence1>;
/ q& d8 |, [/ L end;
" {! H" `) Z- [4 O (3) repeat $ Y& U- {* ~+ y0 L
<statement sequence1>;( ?, S6 @4 W$ [ R
until <condition>;& U8 ?; z. K' q1 [& W1 _
(4) for <condition> to <condition> loop
( g5 a. L# a2 u* z; T# X1 I <statement sequence1>;
+ M2 N& i: N$ @) s7 X6 _, y next;
# s( K F2 ?' Y* s3中断语句
% m- d) T0 C P; d waituntil <condition> prio <integer expression>;( m- L8 L" a/ \, N+ r* Q9 J
4 C' `* ^2 [ R) i4 q7 H6 ^1 n; Z5 |1 u; O4 A
以上为常用的函数！" M" e3 ^- G# T% d- l
还有很多，如有需要我把资料发到你邮箱里
, F! ]( H4 ^4 H2 f
% Z! Y: G9 ~3 j% J0 H3 R4 N
/ L% f5 y' b) g# f& M. E+ D8 L& g! Y
% q! j5 A5 o7 n: g# W9 w$ U/ ]/ L1 i: h/ ~
6 g7 F& n+ e/ D4 V+ M: R D4 o
6 r. x5 {) o' w* i3 T
9 E8 l4 J2 g2 [# ^
; X' q$ {6 a; g5 k 8 O P& W f. b" d# s
|
|
[复制链接]
