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发表于 2012-11-13 08:48:12
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1判断语句7 [8 e/ t2 \5 s$ u+ Q
if <condition> then! W; v; l6 N. e/ s6 G9 T! b3 C* Z, S
<statement sequence1>;
5 w% P6 e$ Y4 b5 b elseif <condition> then
6 H) G/ y& L' E9 c <statement sequence2>;, q0 \$ t# G/ g% F: b: q
else ! |9 `9 B# j4 j. u! w2 O0 }5 w: m" T
<statement sequence3>;8 j+ w7 B" o d
end;3 E* |' J+ v- G' S( ?
如果分支比较多，用：$ l% `5 F3 J& w3 g8 l
inspect <expression>
0 N# m$ b, x" o0 y. e$ z4 r when <constant_list> then
7 D$ B- F" o! v: i% A <statement sequence1>;
7 x' Z( o7 L: B" a: | when <constant_list> then
* [! P/ u& B' S: K. v7 ~! q <statement sequence2>; B7 Q4 E8 `0 L4 t
...
2 c" q j" P! X/ L else, E4 Z, ^1 q% Z! n) i- b
<statement sequence3>;$ X$ A: V6 O/ J
end;
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; b, k" E J; y& t$ H& q6 N1 }! V2循环语句
& M, @7 j3 s" D (1) from <statement sequence1>8 L% Q3 x# N( `& X! w- C. X
until <condition> loop: I: h5 N& ^% A+ _) D
<statement sequence2>;/ W; G X- S+ G5 ?( q
end;# z( b' L+ Q9 J2 r9 X9 b8 ]+ H
(2) while <condition> loop
) t' {( M( r! c <statement sequence1>;
- Z/ w1 w3 ?" q/ S/ N1 N, x% l end;' J+ _: T6 O; Y- X# z
(3) repeat % q: q9 L4 u4 K, h6 f" }, x. e, s
<statement sequence1>;
8 N: ^4 Q8 g5 s until <condition>;& O- k' a% j% w5 p
(4) for <condition> to <condition> loop
" E9 {9 a1 v/ K3 y' j% p6 x- h <statement sequence1>;
O) @; c5 i. f9 v next;
0 z7 Q, c9 t) o9 u K0 n2 r! ?3中断语句
! o" @$ q, G K6 R# ]& r waituntil <condition> prio <integer expression>; ]% w, u. [9 \' h8 N) r
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以上为常用的函数！
" r/ {: l8 v) I还有很多，如有需要我把资料发到你邮箱里 1 c1 j& S/ C) R9 G
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