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发表于 2012-11-13 08:48:12
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1判断语句
7 I1 i! s- m2 d. j if <condition> then# x" w. I, \+ _+ c Z& T9 w# {: y
<statement sequence1>;6 U- o# b/ k% f8 x2 z
elseif <condition> then
7 v- g6 n( K) M! [6 n <statement sequence2>;
. a1 o2 O4 o! f9 [3 P _ else
# w. n6 M Y& b/ p9 P1 e+ R <statement sequence3>; E V. _7 ~( o4 D
end;
) y q0 D% b& T6 \如果分支比较多，用：: ^2 p8 |$ R% H1 G1 `
inspect <expression>
& i6 I# D' r; G1 E0 u0 A) I( Q when <constant_list> then2 w9 X2 K# i! E( K4 _$ c( e/ l
<statement sequence1>;
1 q/ x$ }9 E; k1 H, K when <constant_list> then
( o( s" R7 R! Z <statement sequence2>;8 |! \. {# E8 G1 O+ z& c
...8 i0 X4 x& |' n% A4 z
else
1 p7 Y; |5 W, c& w8 I' V" N <statement sequence3>;
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2循环语句% _$ Q4 P- J, E/ t0 U
(1) from <statement sequence1>
4 P F) t5 W! d) v until <condition> loop$ v1 ]) v. y# J. x! n7 i. F
<statement sequence2>;/ p D* i! Y9 m Q) S) k" U
end;
, U& d- i4 b/ N/ w0 [$ H (2) while <condition> loop# s1 ?( p& p* b! l5 e
<statement sequence1>;
0 G$ K) Z6 N7 U4 `# j Q1 b7 Z end;, _! ]) `- I4 \
(3) repeat
3 [& Y3 i: }# r& [" g% |* o& ?1 l7 ^ <statement sequence1>;
3 _$ N' U, a2 ~; q4 ^( c) k until <condition>;
$ l& Y4 h: j; Y, @- K! ~4 P& L! ^: h (4) for <condition> to <condition> loop
& D2 v n! V0 |3 q <statement sequence1>;
* }+ a% F$ ?& m9 _: z7 n' a+ Y* o; N next;
2 X3 Z6 s! \1 U. ~7 e3中断语句* ~. ~5 }7 Z. X- r0 s; P+ G
waituntil <condition> prio <integer expression>;% c) N; K: L3 z( j; U+ A1 R. v% j: ^
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以上为常用的函数！! l, G6 z6 {% n9 l/ Z
还有很多，如有需要我把资料发到你邮箱里 . B7 t$ Y& F; w: Y' C( J# ]9 |
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