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发表于 2012-11-13 08:48:12
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1判断语句. w7 w! l7 X/ D
if <condition> then. f3 T* [( O2 p& l/ K
<statement sequence1>;
9 Y& h5 _8 Y+ G, V) G+ z' p+ C0 T elseif <condition> then
3 j, k5 V+ Q' g* C4 _1 u <statement sequence2>;& F$ M2 O) H5 K F. d
else / n ~" Y2 N" o v& a
<statement sequence3>;# f. i0 U/ T* r8 O4 X
end;
. l2 U, P' M- ?' _+ X. y2 j& d如果分支比较多，用：7 Q, k8 I, Q$ t) Z4 N; i1 Q4 ~* `
inspect <expression>
: N5 A o9 D4 { when <constant_list> then
- t% m3 c, I( j/ s <statement sequence1>;
% B9 P' u3 m* ~& I( E4 I2 O when <constant_list> then
% b+ @- d9 ]& ?- Y4 O <statement sequence2>;
" q, C3 s% X) Z8 v; G+ q7 `" V ...
" J( U# F0 R& R+ e; J else
?5 `6 V- u) P+ k0 q+ b M$ J <statement sequence3>;2 ~* Q3 T m2 k1 `5 M b; r! d6 [
end;
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2循环语句
8 `1 O( @ V; v- O (1) from <statement sequence1>
, s# N6 E6 I3 `& ~ until <condition> loop/ y& r: X5 c1 _& i
<statement sequence2>;
) [& C5 h0 e& O; @ end;/ F1 S4 Q' r u( t; l4 j
(2) while <condition> loop
% t* m) I/ S" [9 V8 d/ U3 A( u2 n <statement sequence1>;
# `7 b5 y7 e. R" H; n$ ^ end;
x6 _: H6 L6 S3 S& }! y& e (3) repeat ; n3 D E! e0 R' ^7 p2 |4 Z3 W
<statement sequence1>;
+ y1 _# N- [3 v until <condition>;0 D& v: ^% Q' r: g4 [5 U
(4) for <condition> to <condition> loop4 f3 } k$ [. `# w1 Y
<statement sequence1>;3 _+ \* v% ?$ n5 {
next;/ Q& T: y* W6 f% `: z
3中断语句
0 a2 ^" y2 L! o, | waituntil <condition> prio <integer expression>;
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) T2 ~. Y- C9 I* ]8 H k' d- e& R以上为常用的函数！
' H. H9 Y7 D8 l* R( ~" Y+ f2 u还有很多，如有需要我把资料发到你邮箱里
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