|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句% z3 v7 ]. D1 [4 z* l3 c
if <condition> then
2 Q. d1 L; W4 q4 n$ E- H. Q <statement sequence1>;
. m! H) w( {! h' h5 o elseif <condition> then
9 @& z# Q( d& w" { I% z0 N( R% v <statement sequence2>; U, A8 m1 K7 v3 x7 V
else
# q$ G% s% F2 ]7 x: V <statement sequence3>;$ \4 q3 `3 w0 \1 D
end;
) z9 _" I0 z! H; o如果分支比较多，用：% s& ~ |. D% ~
inspect <expression>, W7 ]% S9 t& ^: i# Z3 h
when <constant_list> then( h/ X3 [, P W; A% s2 B
<statement sequence1>;$ W5 L4 e; w2 e) F* w' t# s$ d
when <constant_list> then
# |2 y, K! i. f c <statement sequence2>;4 S/ e3 [ b/ L( _
...
6 `1 s& M w3 i else& _: x8 H) Y: l# M3 {
<statement sequence3>;9 n _$ r5 T a' M& c# A. j; v
end;
7 q8 J2 [: S/ |0 P( y% r9 b1 j& R) b& l6 v1 V. A# @
2循环语句
1 {% T+ v4 M4 }8 L (1) from <statement sequence1>
. } O% m* x+ f' I/ K1 E until <condition> loop; J" V3 A F! J; V( h
<statement sequence2>;3 k+ V1 U$ x, O$ N
end;1 q* |( Z8 Y. T, c
(2) while <condition> loop
: D. Q' w( u) [; c <statement sequence1>;, r( ^& P, ]7 A; c% C& I
end;
* J5 I3 x; M2 }) z- c& M- O# H (3) repeat 0 ]; W# Z ~, [1 H$ i7 G
<statement sequence1>;
9 E4 R) b4 |$ @3 b! N1 ^ until <condition>;6 b/ V" @3 P2 x( N
(4) for <condition> to <condition> loop
" }0 \1 H; ?$ z9 T1 Q# K <statement sequence1>;5 n ^2 i$ h+ M8 H
next;# A- e. t. x9 N: W: j
3中断语句
6 f% j/ P! x' J+ M* I1 [0 A5 O waituntil <condition> prio <integer expression>;/ p: a$ {1 K9 o1 p9 u
* _* |/ T+ J( Y
% u& ~7 @+ h9 @" K) Z0 b0 S以上为常用的函数！, t, X0 X: W6 Q! f; R+ m
还有很多，如有需要我把资料发到你邮箱里
5 N1 w! p$ w1 l: N, w W" Y+ v1 L
3 b4 y! x" J# P: i# M+ W. B: P. R1 n" g" [
3 ^7 M0 s- x) p* p
6 P% z! _1 d. V7 `0 b
% P1 A0 O( A3 F0 A( c4 F
4 w6 N$ B7 M9 y; ~ V3 Y# X0 _: j# W) Q, C
- k2 \; b* t4 N0 q6 S1 ~9 Y
, d A4 V3 Q {: V' [6 J
8 z2 s* l/ m: W+ n# Q& [8 E% d |
|
[复制链接]
