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发表于 2012-11-13 08:48:12
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1判断语句
; t5 j0 R' w7 Y; Z if <condition> then1 p" ]# A6 }& e& ^- x J
<statement sequence1>;1 O# E2 r e; L) U6 W6 E' n5 e
elseif <condition> then
' }; G. ]7 M( l& V <statement sequence2>;
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<statement sequence3>;
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如果分支比较多,用:7 v. v7 k0 C' J% B
inspect <expression>
* U( c- W8 Y; q when <constant_list> then
1 ]. P5 I$ v/ b' z <statement sequence1>;) U0 o# L) s0 f8 n
when <constant_list> then% T D; Y1 ~* T) S
<statement sequence2>;* s% d+ a. L# {2 O
...
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; E$ L& F% j, t <statement sequence3>;, D1 K* Y; Z) r/ W' c" r
end;
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1 Y: B6 k5 k+ @; `2循环语句 K$ O3 A- G% a9 ]: P
(1) from <statement sequence1>
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<statement sequence2>;
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(2) while <condition> loop
" }( g7 B7 U( ]* W- q# T8 O8 F <statement sequence1>;; \/ F# D& ]3 U* b7 }: t) i
end;
! C0 Y5 I. j# T- C" M, B8 l (3) repeat
- e- K- R# G' N d0 _# O* M <statement sequence1>;
) h" u$ [) U4 Q1 c2 ` until <condition>;/ {- m- V6 Y% n; \
(4) for <condition> to <condition> loop3 a# {0 c* W2 t$ g- \( ]
<statement sequence1>;
9 }: W9 |! N* u+ U. S3 H next;/ ?+ i0 W, Y) b Y R! g, k3 E9 k
3中断语句# B/ ~& G3 k( y4 f! K7 g7 Q
waituntil <condition> prio <integer expression>;
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以上为常用的函数!
- B! |5 o1 x; t# a4 L6 ]还有很多,如有需要我把资料发到你邮箱里 / R9 @1 ~9 A2 }8 c ]: K
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