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发表于 2012-11-13 08:48:12
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1判断语句
; x* E+ m8 `, | if <condition> then% F) f4 w9 l# E7 T1 ?% t, E0 o
<statement sequence1>;
( d. D/ w+ h& T) v0 T2 ?! d elseif <condition> then
6 X) P7 e8 t2 [ <statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：# K; z* ], A# }/ |
inspect <expression>
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<statement sequence1>;
3 Q! r. W5 E6 V- W1 y when <constant_list> then4 d$ [( I/ k6 G) g* I6 ?- P: S' G
<statement sequence2>;- V' O% c# o5 x; @+ e' _( M4 D
.../ _" B: \5 ^* x. s
else$ u- _% b j3 X; A1 `" i
<statement sequence3>;
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# Q" Z$ J3 N* r0 e, T2循环语句
0 p+ }, W' h0 r H G n2 T (1) from <statement sequence1>
3 G: e0 V: z# l( H' y( i; K until <condition> loop
. {: U2 G0 x) G+ u* `. K- d <statement sequence2>;
7 q. ]1 `4 A' V: G+ C end;
4 V' p1 ?- Y3 } (2) while <condition> loop
% l0 l" g6 b8 n& J5 C$ @8 C! X <statement sequence1>;% M$ _- z" a" h) e0 ]- W
end;
) q. R O4 N1 r+ Z (3) repeat + k# X, n. [1 X- J* e
<statement sequence1>;
2 x& @- @( o! p: M1 w' B: b- W; n6 d+ I until <condition>;4 m5 a& v/ ]$ F1 M+ J
(4) for <condition> to <condition> loop
7 V) l) M, p" | <statement sequence1>;8 w( Y3 e) X. ?! {
next;
- B# ^9 Z1 Z$ ?$ F$ z1 L3中断语句4 K' w$ r4 o3 O+ k, z
waituntil <condition> prio <integer expression>;& v# |9 A$ u' Q$ ^, B$ D
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4 r/ Z" v, k/ J9 G" B& M- y以上为常用的函数！
" K. \* E! |6 l% D8 c% b还有很多，如有需要我把资料发到你邮箱里
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