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发表于 2012-11-13 08:48:12
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1判断语句# w7 `" a8 k0 H
if <condition> then
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elseif <condition> then( R8 }* {9 d4 W5 s) z% U) b
<statement sequence2>;2 z; Y: d* I. j1 V( X
else 8 j% p8 C- U! \. _3 @; p
<statement sequence3>;; Z7 ^' K& N8 j/ g. M3 v
end;% m, w7 \0 g1 K: z: X
如果分支比较多，用：5 \: o- D, I- |
inspect <expression>
9 c- t* j+ ^0 ] U, p0 ?8 F when <constant_list> then
$ j4 N3 u S- U <statement sequence1>;
5 i1 Y; c* {' U* F1 |- e when <constant_list> then, I8 }, @! ?! _% c2 p
<statement sequence2>;
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else1 I! }+ r1 O& N: G" q0 p+ z% Q
<statement sequence3>;
% P( w8 N3 X& y0 ^/ A- Yend;- b$ ~3 L/ v: {# ?0 H8 P
, V$ @$ C7 p6 @$ h2循环语句
% r+ I/ Z% I6 R5 \ (1) from <statement sequence1>% c, V+ I1 \7 w9 v: [
until <condition> loop
( G t+ x7 l& r8 @7 M/ f3 ~ <statement sequence2>;1 X/ q* s1 }0 H$ y* {% g2 z& X( x
end;
8 ~# I! D( A3 L1 Z* ^ (2) while <condition> loop
3 C) ^! U8 w' g5 |4 S/ O; Z <statement sequence1>;7 M' y) `/ @) r+ Z, K) L* X, W
end;
3 |: c- \8 [$ W (3) repeat
. f& Z$ i& q& r. h! n <statement sequence1>;$ v4 c' D! J* `* Q7 d( Z
until <condition>;
3 N; C; t2 E% m3 i( N (4) for <condition> to <condition> loop+ r. s5 O" h) O7 t6 V
<statement sequence1>;% N4 l% {/ Y2 A. D+ ~
next;
; |6 G$ P$ C9 M" D' _( A8 S, x3中断语句
" X! F, ~. D6 k0 u8 w3 e waituntil <condition> prio <integer expression>;
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以上为常用的函数！
0 f; _4 {% t T3 p, y P; e还有很多，如有需要我把资料发到你邮箱里
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