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发表于 2012-11-13 08:48:12
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1判断语句
% P' F& m _& H if <condition> then' P' Q9 M6 N5 {
<statement sequence1>;
! A. p+ F5 `) B {* c3 x X elseif <condition> then
2 V6 U# j$ e3 L <statement sequence2>;2 y' m2 ?' \* K& T
else
9 a! \6 L# l1 F1 |* o& C <statement sequence3>;
6 O9 d* [2 w2 z& Z: l# d1 `; Z end;
3 p- S5 Y( B0 p# O$ A如果分支比较多，用：7 _9 H3 T# y9 ~
inspect <expression>/ f [& |; r! Q0 h0 m
when <constant_list> then. d4 _8 t1 M @( T* B/ W; d1 N
<statement sequence1>;/ P& u; d, ^( K3 `5 w. [
when <constant_list> then# U+ Z, w' H; m5 }- _. [% u4 `! b
<statement sequence2>;
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! l6 Q: @- Z! Y( x5 N9 T else
9 B: w1 g! X, V8 {( j1 k& ` <statement sequence3>;9 B- F$ Z+ s4 J0 C# k
end;
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( S% `9 u4 p1 T. o- n+ }2循环语句! Z1 O6 `8 ^1 |, C: ~5 y; l3 ?6 `
(1) from <statement sequence1>& K$ z! Q+ N# X8 f% F
until <condition> loop
0 w; D+ i( T3 ^; X- A2 L1 O <statement sequence2>;
+ o$ q3 G7 `6 Y* _2 L end;- h+ g4 Y+ s0 q; j6 Y% j$ j
(2) while <condition> loop
. H( t# u% O! v6 L% V <statement sequence1>;
% n& ]+ o1 ~) O7 i4 P, T1 @/ S end;
; r6 m" L7 {/ c4 a; U; S (3) repeat 1 ?: ]" M, g: [5 G% A
<statement sequence1>;
7 S% }8 z; h5 s3 R3 U5 W9 |1 z0 Q until <condition>;, K8 E( z$ ?+ I1 B3 w' G
(4) for <condition> to <condition> loop
8 p+ M: j( p. u: V9 W' R <statement sequence1>;3 V. Q, d0 X2 y' ^8 u
next;
6 P2 b# v" R' J' G/ q1 g3中断语句
) V; S' K5 d7 [& q" ?- W waituntil <condition> prio <integer expression>;
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以上为常用的函数！. I8 n0 N: V, U% \. W2 w; C) T3 o
还有很多，如有需要我把资料发到你邮箱里
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