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发表于 2012-11-13 08:48:12
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1判断语句% h) z; x" O+ F# T
if <condition> then" [ U* L$ Y8 T
<statement sequence1>;
( B! ^4 P: O8 B3 T9 X! n9 b2 { elseif <condition> then
0 @+ \6 o1 j3 |3 {. ]& h" t) h <statement sequence2>;
( u+ I7 V. Y0 y l$ T& s) B- l else
E& s7 Z5 b6 S( F6 G <statement sequence3>;0 `6 B! K+ _. E& a6 Q5 @% }
end;
' Q% }5 x. S, G5 I9 q! W R如果分支比较多，用：: i- ?: X C5 T$ ]7 i
inspect <expression>
2 `- ~0 j! E5 l) x when <constant_list> then6 a; e9 [3 E8 }5 f; t
<statement sequence1>;+ x/ @" l$ k1 m; v8 h7 b
when <constant_list> then6 D" ~% I1 ?" ` D, t. S3 |
<statement sequence2>;. A/ j+ m9 w; d7 D- l, n8 E
...
$ d& V1 T; [) p9 t else
, j3 C# ~# q/ w" b2 Q <statement sequence3>;7 n+ D7 X$ W2 D7 Q
end;
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) k/ B0 z3 a, A. |2循环语句
6 Q: M: x- C1 ~* _6 r; u (1) from <statement sequence1>0 s5 m( {4 t0 R+ p6 T& k: P; _
until <condition> loop5 W! p7 d, Q* a
<statement sequence2>;
% h& H; t7 I _; v8 U end;) s$ R* t5 _1 m. t
(2) while <condition> loop8 K6 A5 J; \- a& {( `5 ]
<statement sequence1>;0 m6 h* k' j3 A) i" k
end;& S8 r" v# V7 K" ~& t
(3) repeat
- k* g z2 J1 t* b( _2 I7 Y% c& @+ W <statement sequence1>;1 n3 H; p) K: U6 g0 G
until <condition>;$ C* ]6 g5 k, U4 ?
(4) for <condition> to <condition> loop
% b8 X! `" ]( z <statement sequence1>;
- ~* D/ t2 {' E$ U next;
3 p) ^2 Z3 ]7 x" L1 T, _3中断语句2 f. t( a# R: U) y
waituntil <condition> prio <integer expression>;
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以上为常用的函数！! A; R) o$ r1 q
还有很多，如有需要我把资料发到你邮箱里
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