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发表于 2012-11-13 08:48:12
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1判断语句
4 ]- [" c1 E! n- F1 t# A$ |4 X if <condition> then
) {( m( c- K/ v3 O' S { <statement sequence1>;/ M4 f1 T+ F! b4 K7 ]* J' T) A
elseif <condition> then: `1 q( U& \) ]4 l
<statement sequence2>;2 O1 v& p7 w" d5 J4 ?% l/ ?7 F
else
1 z8 j5 G: a* h( H1 f. a% e4 K <statement sequence3>;
, m4 R& x& ^7 T) n; z9 B* ~ end;, N+ O" k2 A' q& }! p1 h
如果分支比较多，用：
+ Y# t4 ~" k: M" \* A inspect <expression>3 L2 f+ C$ E) \* o0 I
when <constant_list> then
& j% A% z2 G8 p <statement sequence1>;
4 `! j1 |& ?2 f8 L when <constant_list> then! b4 m* [ c. S1 p( G+ _. }9 u0 M
<statement sequence2>;
/ U; v" d/ Q3 @$ ~& _- P/ ` ...
- a& ~. x5 q" B' ~" M$ f3 n* j else
5 U' ?% A) I9 a; U* u l |7 }+ E <statement sequence3>;
5 m, D* P' s9 _ | O" d- F- \end;
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2循环语句5 f. r/ k, Z1 X( v. W( {
(1) from <statement sequence1>$ ~: P J. f: `. m8 I
until <condition> loop4 \$ Q. @8 I$ L& G% s* s
<statement sequence2>;
?+ A% }3 s2 J; Z. l$ d8 c end;- x- N' s7 E* P
(2) while <condition> loop" u" w) q. w0 p
<statement sequence1>;5 {1 Y5 d- b2 ^0 M4 ]% ~6 j
end;2 ]3 K, n$ L. |3 d" v1 @ V7 V
(3) repeat v! b' V4 L3 o5 m/ G5 _" l
<statement sequence1>;
% l6 Y; r8 p( c: @ until <condition>;
9 k* \1 P* Q& I; { (4) for <condition> to <condition> loop w9 _1 h% A' `7 L# Z
<statement sequence1>;
$ m; H9 A6 E. B4 f. E next;5 m4 _3 x# G* x
3中断语句" f4 m! f# v* Y1 U0 q7 `" f
waituntil <condition> prio <integer expression>;! c7 z( Y: [1 G2 g0 f
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以上为常用的函数！
% F0 o# Z) Q, c/ n. q, n( x还有很多，如有需要我把资料发到你邮箱里
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