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发表于 2012-11-13 08:48:12
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1判断语句: r; s6 T; k, ^- E& A, E
if <condition> then) W" j& `% W* V; u% H
<statement sequence1>;+ |/ G; H& F( G: `/ I
elseif <condition> then
4 q0 W4 m6 ~4 G' C8 U5 n- h <statement sequence2>;
* L$ q1 V- r3 N/ x; y/ ] else
5 N$ [* i- k" @1 h9 ^& h" X <statement sequence3>;
3 a. J, }# L1 Y. H1 Y- d, i, m end;* u6 p* x- V: _
如果分支比较多，用：/ l: R5 G! V0 Q
inspect <expression>& Z; B/ E: A" h9 m% _, u
when <constant_list> then% s) l* C2 P" G
<statement sequence1>;
) a- D% U/ F9 s8 D$ E: M% o when <constant_list> then5 C0 g; V4 D3 u4 F5 r( n' c9 Z, X
<statement sequence2>;: i/ R: K; n8 U7 s" y* v# e
.... \3 ?# d- K3 c5 W1 D
else! x9 g: z3 O6 p6 d) I
<statement sequence3>;. Q. [! h# m8 U
end;2 _) _. \" ~/ Y4 ~5 d' U5 ^$ y- A
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2循环语句
* o8 J$ `5 R0 y, h/ D V9 h (1) from <statement sequence1>
0 g& E3 ?- W1 k. R+ B until <condition> loop
8 O7 x& x8 ]7 u2 g9 H <statement sequence2>;/ z; [5 Q$ q9 x9 H
end;
) U1 r+ P5 S' p* \5 n$ i (2) while <condition> loop- d# Q; ?. s5 w/ x4 c+ }0 B
<statement sequence1>;
% [& ~$ _8 k7 V# E end;
- v7 t9 ^* t9 @& A _ n6 o (3) repeat
' Y; u9 _9 U0 y& {2 o& i7 I <statement sequence1>;
: o; W+ D6 V5 N1 \+ ` until <condition>;
4 D7 o# \. Y* i" v (4) for <condition> to <condition> loop) j6 b# k* G' }/ H1 }" r, O- A \
<statement sequence1>;
9 q1 O, p9 V _, L8 M, q4 [0 _ next;
* h2 q2 P; W0 Y1 k% e4 R9 ^3中断语句
% P' a4 N e) \' |5 y3 W waituntil <condition> prio <integer expression>;
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以上为常用的函数！ G9 q) B* W5 r/ g
还有很多，如有需要我把资料发到你邮箱里 + @4 y% y0 X; ~) r/ Z8 t- Q, E
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