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发表于 2012-11-13 08:48:12
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1判断语句* f P8 X6 m9 [ z: C( L
if <condition> then
! |1 P& @: [# L <statement sequence1>;/ s% j# ?1 e+ Y* X
elseif <condition> then
+ }) m/ U3 n( A% G1 Z. n u <statement sequence2>;
! q7 C" D7 H c9 G else % U, W4 c' I& a" E
<statement sequence3>;
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如果分支比较多，用： ?' I* m9 i4 l/ b
inspect <expression>
$ c; \5 X6 R! J- Y1 w when <constant_list> then: b' K) i5 u9 s
<statement sequence1>;
% i1 z: O8 }) ]5 F9 {: b when <constant_list> then2 B& ` a4 G/ T, T' m
<statement sequence2>;( f: V' m, Y- O; S& \& P
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else/ J; A/ ?. z+ A/ {, S5 |* N0 g
<statement sequence3>;
9 S7 z) b9 b5 L. oend;
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7 V+ W( @% E6 R$ `5 n6 }* C2循环语句
+ y4 a9 G+ r H+ ~ (1) from <statement sequence1>
+ a* b0 W' Q5 I/ u* |4 p until <condition> loop
* Y5 J. p1 [4 j: {! `0 g% l1 ^ <statement sequence2>;
! ^1 j4 w/ ? _# n) E end;8 J( ], d2 }* n2 |
(2) while <condition> loop
+ P3 }+ W7 F0 Y# ~ <statement sequence1>;
2 k9 P' x% j/ i end;
7 o* J7 o0 r' r, U4 Q- k (3) repeat : o. T4 s1 ^" @, O
<statement sequence1>;
5 Y" H/ }" m" C* K" Q" B until <condition>;
) g% G0 U6 [1 h9 _0 G (4) for <condition> to <condition> loop
8 w4 `9 d3 f8 o5 ~' T+ x7 f+ | <statement sequence1>;2 E+ ?2 ]% x5 f# Z
next;
# t9 l! L) z7 j3中断语句
* ^* y$ U: q2 J# ^; N8 C, { waituntil <condition> prio <integer expression>;" l, E+ w, G; O0 ]& c' S
S4 C/ A3 w. s L. B& h% a# e
- U2 t# ^! B+ D3 w* @* ~! Y( a) Q以上为常用的函数！
/ |! ]1 M, b; j4 _+ @还有很多，如有需要我把资料发到你邮箱里
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