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发表于 2012-11-13 08:48:12
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1判断语句& b* C6 o i2 _1 S
if <condition> then% ~" h" H" F, U! X( O3 P
<statement sequence1>;
" H/ a! ` R V" U4 z6 ~ elseif <condition> then( C+ c* T! ?1 [2 D/ e
<statement sequence2>;; m. G: _& g! P0 M' i5 a! T
else
1 ~8 z+ d( M: H <statement sequence3>;" }& q4 k; ^/ N
end;
9 ?% B5 @# W2 a6 h如果分支比较多，用：
8 s4 h2 e4 ^1 W' h" T5 Z inspect <expression>
. ?: A: @8 s7 ?, F# ~9 H ^ when <constant_list> then
1 X; S2 h1 ^4 {9 K <statement sequence1>;& \7 S, r) r& z
when <constant_list> then- f1 D _: P$ g$ \" F
<statement sequence2>;- Q: y# V, M. G& S% Y. C' b; w
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else
1 O; g: p) X" P& D0 [; m+ J( g <statement sequence3>;1 ?4 Q+ H: J% B$ n. T% ~* z
end;
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2循环语句
/ e0 c8 E6 X. B (1) from <statement sequence1>4 b8 @: p/ S. h! ^ `
until <condition> loop: S7 x6 O$ b4 Y
<statement sequence2>;. G1 `& ]1 y% Q9 [
end;
. i& L6 `% G' l4 P# g (2) while <condition> loop
2 [$ q2 f+ }* k1 v# p9 ~ <statement sequence1>;" ^: ^# a, n' s
end;
- ~1 ~% q( e% h. d# [& b (3) repeat 8 f6 i# j' j# y. c+ m, T% c, _
<statement sequence1>;
2 m. L- m0 d) y% @- b8 x. ^ until <condition>;# f8 Z2 ]; h: ~* Z; Y. [
(4) for <condition> to <condition> loop8 H: K# X5 T9 r, e
<statement sequence1>;
1 O! @2 e2 O! p) J( G next;" q( J7 L. |+ [+ P; Q
3中断语句
7 y$ F7 J& E" _4 U; @) o waituntil <condition> prio <integer expression>;
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以上为常用的函数！5 g: E" f8 x$ }0 _9 Q# p. _
还有很多，如有需要我把资料发到你邮箱里
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