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发表于 2012-11-13 08:48:12
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1判断语句- _! z0 X6 c/ E2 N
if <condition> then
( d2 R- c* p5 q' j' n! I <statement sequence1>;
! U/ {5 }8 d! a+ `( g elseif <condition> then6 Q& o0 y- Z% R
<statement sequence2>;
9 S% i& k& D0 ~- O else
5 v! [/ ]( I- L0 X" y1 e# E <statement sequence3>;
/ t, P; Q1 D9 X3 t3 O2 l% p: o end;
. h3 Y& \8 H) S如果分支比较多，用：, ]" q; a, C3 s2 ?' I5 U7 b
inspect <expression>
, [2 |# ^" t3 z8 f# |% v9 S/ p/ f when <constant_list> then
7 {; X3 \! a! w: {3 M7 i <statement sequence1>;( @2 H& u4 {( {& i, {
when <constant_list> then9 q8 P8 D; R% l+ l3 W
<statement sequence2>;( A( {7 ?8 W9 S" z7 O
...
0 @; d( c6 W; A- e else t0 h3 X5 ^" p6 n E
<statement sequence3>;$ r7 J/ A: ]0 |& m; P
end;
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- f6 x' W/ P2 O' t5 ^- [+ d2循环语句/ g& j( h6 w1 `' I
(1) from <statement sequence1>
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: I3 ~. P* M. `/ [8 |! f" W9 m" S <statement sequence2>;! _" E4 D8 }* m& F7 @6 H( k! b
end;$ W1 L# U8 Y" k
(2) while <condition> loop# z- E" R, s9 E: q* ~) i0 [: K' J$ m
<statement sequence1>;3 l! K4 Z4 k# U* [2 T# N# U) r
end;
% _+ p4 v. \8 I; C: O* q$ j (3) repeat 0 f6 X+ E" s& J7 }) G
<statement sequence1>;
, [6 p6 t' C, r. w5 ~ until <condition>;) c* k1 j K+ ?* K6 t) ]
(4) for <condition> to <condition> loop
1 B& d' F# [5 n! w3 H. V$ a, F7 k5 _3 ? <statement sequence1>;' E" M5 X( E0 t/ q# B8 v
next;
. O% N7 `4 f( G* ~# i7 Q- ?& a3中断语句
7 {' o" E5 a, \5 x waituntil <condition> prio <integer expression>;
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以上为常用的函数！9 I3 Y7 V4 o: ?* k
还有很多，如有需要我把资料发到你邮箱里
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