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发表于 2012-11-13 08:48:12
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1判断语句( M- D1 {( c! u8 E
if <condition> then( p( Z% H; G) }: h Z
<statement sequence1>;
9 Z( p: D$ D- o" U4 N elseif <condition> then
& C0 W2 m1 ~5 u; t4 |. c <statement sequence2>;/ e' J. g/ [- u# @ C
else
0 K# R U4 z2 l <statement sequence3>;# G6 Y* c& g' y- b
end;
' j- H* `! O a' _) o如果分支比较多，用：" ?* q V$ p! v/ O8 [
inspect <expression>
; I1 `; y# f1 {$ [ when <constant_list> then- e0 r% F) e& Y3 g: x5 p
<statement sequence1>;
. S4 T/ Y2 a0 e, j- k when <constant_list> then A1 D! z7 _& F" F( g
<statement sequence2>;
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else
% @4 i% ^4 `7 _3 E, @ <statement sequence3>;
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' r! `* y- f5 b2循环语句
0 t7 \1 m d6 o7 Y8 ^5 Y (1) from <statement sequence1>
: s( X2 N! V; z7 c* U8 O5 x until <condition> loop
$ p. b0 ?# d" z6 G9 R <statement sequence2>; Z2 Q! J. X0 k
end;
' c" i" X" t% I% q- J- @ (2) while <condition> loop
' J8 G5 V2 ]4 n/ e% p. p <statement sequence1>;
. e4 m# p: T& i+ u# v9 W# U end;3 a4 S% ?4 c2 J& W& c* _
(3) repeat ) c# M- z4 r% x/ a& V
<statement sequence1>;) z. h7 |2 H7 Q5 y2 M) A- p3 ?
until <condition>;7 V& P2 Q6 \- \, H( V% w
(4) for <condition> to <condition> loop3 W9 B. q. K" [) V* p. b( E
<statement sequence1>;
, h! @. d$ L5 ^! Y$ K' C. H0 K next;
% U7 z% F; M" z. g& p, H3中断语句
- r: ]9 R5 w' K7 A: w2 n waituntil <condition> prio <integer expression>;
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. a. d/ _: M& l9 M, j以上为常用的函数！' h+ d g4 i: N
还有很多，如有需要我把资料发到你邮箱里 ; c2 w9 c" J, K
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