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发表于 2012-11-13 08:48:12
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1判断语句; d l5 x8 }, k2 x
if <condition> then
5 g& e; H( y" P& v4 \9 B <statement sequence1>;
5 I# z" R) E, z; A' V* v elseif <condition> then
& \( U4 j' l7 L' L. B, I5 c <statement sequence2>;. t+ a; \. g( P
else 4 A6 ~0 q( l# c6 F3 ]- J) }
<statement sequence3>;' e* G' E+ z4 S/ a
end;' z: l4 ^5 M$ F! y+ c, l
如果分支比较多，用：
3 z) `/ u3 a1 A7 z O* H1 c inspect <expression>: e. `2 d0 {* C! K
when <constant_list> then8 p$ G! f. ~" F0 z8 n
<statement sequence1>;
& K5 @4 G3 N; _3 C/ R2 H0 I when <constant_list> then A4 K+ b: H `
<statement sequence2>;) i. |! t0 d% `7 W9 ^, q0 V: h
...
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<statement sequence3>;
7 f0 l# h6 {4 s1 v2 aend;
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* Z; i2 V; H2 q$ v2 b# R2循环语句
) f6 X! n6 a+ M) ^' A7 O (1) from <statement sequence1>: p" G5 o+ }! j) E) z" }/ O; \2 x
until <condition> loop4 r2 P& a4 G5 L6 c4 n. L+ k. B
<statement sequence2>;
- r7 R& G; l( D end;. e" O, f8 ~; i7 {5 o+ ~& l4 u
(2) while <condition> loop
- [5 F) |" F* p8 x0 Y' T5 c <statement sequence1>;
& @: R' `' Q! Q end;
' u6 y0 e, z7 `5 a) q: c: d (3) repeat
0 q. ?9 `7 n9 E& o <statement sequence1>;
/ T3 y6 g% @& L7 ?) s2 @: R6 m# a until <condition>;; |6 x8 v( Y# J8 l/ |, S
(4) for <condition> to <condition> loop* }8 O# E& A3 O8 ], C4 ~
<statement sequence1>;
$ m5 N- T7 j* d/ ]7 z7 A next;6 h+ {5 M( ]) |3 ~# e' S* [
3中断语句# x! Q3 b9 E @( m' O* S. Z
waituntil <condition> prio <integer expression>;
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以上为常用的函数！: J# {$ c5 f+ L; f
还有很多，如有需要我把资料发到你邮箱里 ( }9 Z7 D7 K' I$ q9 m
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