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发表于 2012-11-13 08:48:12
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1判断语句
, n p2 V0 Q) |+ |/ w if <condition> then1 m5 u: Y# k3 u
<statement sequence1>;) f' X3 Z# G- O6 A% R
elseif <condition> then( J4 J. |" O! \5 ~5 A4 W
<statement sequence2>;% Y5 h a& Q5 A* }+ h1 x4 b! q1 J
else
* V) `# y P* x3 M. K5 J1 H <statement sequence3>;, E. I3 e& N: @. p
end;1 U- V% T: k* q) j$ P$ P
如果分支比较多，用：, M- i6 `+ f& Y! I- h
inspect <expression>$ R/ s3 J1 r$ m" k
when <constant_list> then, l# W( l! r$ ]; w N
<statement sequence1>;
! H1 F5 T1 ]4 Y when <constant_list> then0 q9 E1 I. R- K7 N
<statement sequence2>;7 v2 e1 e7 X/ v4 o6 x1 i2 z( ]9 ?
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else- K E5 O$ ]% a( h0 ^
<statement sequence3>;
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; [( \+ q* S, T2 E5 `2循环语句 T& R* H- ]2 m \+ a% W
(1) from <statement sequence1>
* x1 N/ C6 [ i: y+ t until <condition> loop: J, o4 `6 e! g! ~1 x
<statement sequence2>;
* t" ^% j% i+ ~6 G0 K end;/ g: J g( Y4 y
(2) while <condition> loop/ i# [+ F3 \0 u3 M; `
<statement sequence1>;
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(3) repeat ( m2 h+ ]& X! x' k
<statement sequence1>;
# [: [6 |6 u/ R. A: _/ G until <condition>;& Z- G7 ]1 {7 W0 O2 g
(4) for <condition> to <condition> loop
2 K1 ]: _' s5 f, g: _ <statement sequence1>;
% c* c5 h9 Y# Z next;
, s+ E$ j; l+ ^! a* J$ `3中断语句
) Z9 I; _- A/ J) K5 }8 p l: p waituntil <condition> prio <integer expression>;
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以上为常用的函数！& e z J0 F: B
还有很多，如有需要我把资料发到你邮箱里
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