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发表于 2012-11-13 08:48:12
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1判断语句4 _, R% f$ n6 C% h. g
if <condition> then
+ `9 s9 W5 o* Z- }$ l n <statement sequence1>;
4 ~ i+ ?1 } F. T0 O0 A$ P elseif <condition> then/ G5 g% ?) D( Z% g$ M
<statement sequence2>;
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<statement sequence3>;
4 R/ Z/ A+ T( ~. S7 y# I' k' Z3 t end;
7 F! p. |# J2 ?, r9 W如果分支比较多，用：
& d7 T$ |. h& q' [+ I inspect <expression>
( I, I) l- ]0 R7 n% K when <constant_list> then+ G7 v) D: H9 d* K! M' Y' C8 E
<statement sequence1>;& [8 X1 k+ P) F# E3 F
when <constant_list> then# F t3 d; l2 i# R
<statement sequence2>;
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else
) L+ L9 _7 [6 L4 [0 U$ D" t <statement sequence3>;0 u+ H1 V) E# R2 X7 X
end;
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2循环语句" c+ s$ L" e& c& r
(1) from <statement sequence1>
3 G% C4 j5 l! z& b7 J) l$ ^ until <condition> loop3 J7 {2 L( W) t- V K
<statement sequence2>;
7 V0 a6 F( n6 p8 x. p5 d end;$ q, p2 v6 w% K6 Y6 v9 C! i
(2) while <condition> loop- M, q, P& Z- ]# Q5 ~8 x
<statement sequence1>;
4 W% u( |% G E end;: q! H3 o' Y$ ^- _8 @" i
(3) repeat ' A( M" z0 p. O
<statement sequence1>;
8 u% L3 R5 G( B& e: E- M until <condition>;% L6 y" a% I8 w) `2 S
(4) for <condition> to <condition> loop
1 R' W* C1 V1 D8 w <statement sequence1>;
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3中断语句" e8 c% h6 ^: z4 p" d
waituntil <condition> prio <integer expression>;
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以上为常用的函数！8 q# b: Z, W" r9 n/ ~
还有很多，如有需要我把资料发到你邮箱里 , K, L6 S5 X* \
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