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发表于 2012-11-13 08:48:12
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1判断语句; G2 T; g T* E
if <condition> then; n5 h7 Q; c( H, }
<statement sequence1>;! j; G9 ` Z* [
elseif <condition> then
+ I5 {* M' s$ V. B$ ~. o <statement sequence2>; x. h- B, j4 l0 ~; i
else * U, C! Q( c$ {/ }
<statement sequence3>;
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如果分支比较多，用：
( O+ i$ j# Y# ]% Z" C2 G- A inspect <expression>
# @$ |7 C- w# K& H0 l. u when <constant_list> then
" r3 ^. j* H/ Z1 f N+ \ <statement sequence1>;
) A- J3 I+ r: i" b' o. W: m h when <constant_list> then
i3 z, [, R2 ~* H1 m' ^ <statement sequence2>;
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else Q( a) P4 a$ a$ X, Z
<statement sequence3>;
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! Z8 G$ f2 V) w4 u$ X, B. c5 q% g- G2循环语句
! ^8 Z+ P% x/ Z (1) from <statement sequence1>
/ W) _' e* Q& P4 E& j9 W: h& ?0 B9 B until <condition> loop
" J. o3 F- b2 o$ K5 q; k- @5 C4 q <statement sequence2>;6 q N* F. d2 A8 p: U
end;
' ~# ]( P) J/ ? (2) while <condition> loop
* B. ~% o! k/ ~3 @# d# [ <statement sequence1>;9 O% `* _6 V) x
end;
! V& S7 d. Z1 L# ^% `( J3 A; C (3) repeat ! e8 @8 {+ j" c" }7 k; \
<statement sequence1>;
% D- K/ _$ ~& C: X until <condition>;
- p" ` w. B/ c/ q) o# w (4) for <condition> to <condition> loop' L1 U( }- \6 U
<statement sequence1>;
3 }# ?- N3 @: ]3 ^1 B8 P next;
& `6 b$ ]7 D& E2 L& _/ R2 x3中断语句
! \9 [9 O4 p8 ~/ z waituntil <condition> prio <integer expression>;
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以上为常用的函数！
" s/ `- S! U; u; r3 _5 x还有很多，如有需要我把资料发到你邮箱里
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