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发表于 2012-11-13 08:48:12
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1判断语句$ Q) h7 B4 y& f1 f/ W0 z ^
if <condition> then
( k3 ^ @8 U, J* }- _7 B <statement sequence1>;. x) `4 ?! n. E& m* l! |& f
elseif <condition> then1 W; j, Z7 i/ g# R v# T0 K
<statement sequence2>;; z! J$ H* y/ ^* a3 `, `
else
/ F; C, R. j1 z9 {' R& l6 ^ <statement sequence3>;
$ L+ N7 x& d0 N' C end;
1 |% B5 E& S; P5 o( F' {5 {3 n如果分支比较多，用：
) a1 R. O9 G+ J+ K. W6 u0 s inspect <expression>
, @5 z; X- @7 r, d when <constant_list> then
7 u" `9 x& t* |6 ^. S( v4 j <statement sequence1>;) h% O& A( Y" K9 k( A- T
when <constant_list> then% k! R/ z7 P1 n
<statement sequence2>;, ]7 e( U; B8 [0 h1 _) B. M
...
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<statement sequence3>;9 ?& M: s$ v. l5 @0 T
end;
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2循环语句. x' F& c; _+ y- h+ f8 B
(1) from <statement sequence1>
+ i, F$ Y9 w1 o until <condition> loop
% F* [; i. u4 {! m5 c <statement sequence2>;5 J6 V; U; E/ W
end;
4 V1 }) ^. }/ ]' S% a, M (2) while <condition> loop
$ A0 e# f |3 j c+ T: d0 g <statement sequence1>;
" E- m8 w( Q6 T' W end;
% {( T* M* J" m0 \ (3) repeat
4 o1 M$ a9 H$ N/ K6 ]2 _ <statement sequence1>;0 d& H0 S8 ]$ y9 E$ j
until <condition>;
' A. T2 t6 Q) ?- ?0 h (4) for <condition> to <condition> loop! k9 _: A8 ^; X$ `# u
<statement sequence1>;
# i( _$ s3 E, N0 d! B6 }, s next;
' M/ }, e6 S ]2 _9 l3中断语句& @# W% _. ^% h3 i9 h) v. E
waituntil <condition> prio <integer expression>;9 c& {) b( ^/ o+ }
1 U/ h& Q$ S5 `
& f x& ?; q1 l+ W- B; R, Z: C9 @以上为常用的函数！4 |4 _5 l. Y! i" A8 a" X$ D
还有很多，如有需要我把资料发到你邮箱里
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