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发表于 2012-11-13 08:48:12
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1判断语句: D5 f1 A, k& Z1 k
if <condition> then: R. d% ^4 u H4 n
<statement sequence1>;
! ]/ {% A2 z/ t elseif <condition> then! ?. j' b1 i3 ^% s* a, P6 ^
<statement sequence2>;. b% q! E* F- K9 h" y \
else $ z( q: K# w/ q2 d& v
<statement sequence3>;! {3 W* U( ?! z5 B; q( h$ i4 H
end;% g4 b! }6 X8 r! z* j( ^2 H
如果分支比较多，用：; G" T: P+ q$ V$ U
inspect <expression>
0 v* f, C# M( h" p! ]% h! X when <constant_list> then6 p1 Q# [) W/ p$ D& e# S
<statement sequence1>;% x/ O! }) X( E/ X# Q" t
when <constant_list> then3 p) @9 m0 g' @2 T5 n# b% T2 \
<statement sequence2>;
. j9 ?! a; o4 y ...
, k% b/ E( N3 H4 i! K8 N' H else
! r' Q0 E3 Q" a7 Q! {( }. D* w1 `5 Z! B <statement sequence3>;4 n) T9 [' G# F
end;3 q: X% O! n3 o0 f
, \1 o- k7 e' r2循环语句
. p8 ?; i! U. l3 [% K- i (1) from <statement sequence1>% J& J7 R2 Z% d! m
until <condition> loop# X% K2 M. U& h5 I: `, `* n
<statement sequence2>;
- p+ r0 q- L, Q* m) m1 j) Q end;
% N. N9 N2 M }* {& F (2) while <condition> loop
' }8 a% i3 B7 s- S <statement sequence1>;0 W8 }/ |: r+ P9 j
end;
1 T, g! ?+ J8 L (3) repeat
3 f) z; Y9 d; X5 r <statement sequence1>;
( g/ C$ r0 y, P6 o6 c until <condition>;2 s# i, F+ b0 ]' I3 B
(4) for <condition> to <condition> loop
) r/ l% q8 ^0 b% D. @ <statement sequence1>;
( n0 f" j, ~' f& X0 _ next;
# P/ j7 N/ M' H' ^% S5 f1 b3中断语句
+ ]3 o. [! }9 ~$ Q7 G( T4 N waituntil <condition> prio <integer expression>;4 M, {1 g: V$ B+ A
# ]3 [2 o9 m1 J* g
6 h: j! I, u9 m0 _( C
以上为常用的函数！
! ?! {, D. H; V还有很多，如有需要我把资料发到你邮箱里 ! o3 A3 X: R- A$ N
% y) P# y5 ^# z- W# R$ K3 r
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% Z e! a% O6 p, H! Z0 \
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