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发表于 2012-11-13 08:48:12
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1判断语句
+ U8 ?. B7 B6 m" i3 R6 _3 v; a if <condition> then
~. z2 D* w8 u" W ?7 m; c <statement sequence1>;
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<statement sequence2>;
8 ?. c m1 t+ E/ Y else & V1 P6 M: l3 x3 o% Z) H
<statement sequence3>;
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如果分支比较多，用：" H- h1 \& s% {, q4 Y
inspect <expression>8 ] M7 k5 s+ Z1 ?! d# u3 f4 |
when <constant_list> then
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when <constant_list> then0 r1 [" f/ O8 S2 h. z2 Q1 F9 a
<statement sequence2>;
4 T# b# N7 w4 b% j ...
% d1 @; L6 M F. P$ H else
2 r( Y' d, D7 M6 m9 C/ s; B$ A <statement sequence3>;+ V; {+ r5 {0 t6 _' q+ f' W3 {) b
end;
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1 o5 S8 {) j3 M2循环语句
* V" s5 a/ q1 @ (1) from <statement sequence1>
# N3 C/ X" c1 R7 c" {5 M until <condition> loop
- M8 U) W/ p6 i6 {; A$ {/ ` <statement sequence2>;& f& ~" t& B# f
end;- s' j6 Y4 m4 ^. k' g) m1 u& J
(2) while <condition> loop
w9 D5 M3 P, R/ t: H <statement sequence1>;) j" r' D; N. T# M, C" J2 M0 U( Q
end;
, @8 z# V% h6 h; A4 A4 H; l D4 b* q (3) repeat 8 ^' e" T/ C, s' i4 y- i
<statement sequence1>;
- m; e7 |3 Q [6 t$ @; R5 D. C until <condition>;
& A" U, I0 ?( ?9 n8 X (4) for <condition> to <condition> loop
# j. H2 i, E8 u0 Y% s' W <statement sequence1>;1 g! O* R9 M# U" u
next;
* f- p5 z8 Z- P7 X8 Q3中断语句
D6 e! Z0 _6 |7 J/ ]0 b waituntil <condition> prio <integer expression>;
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以上为常用的函数！( F1 L- J. ?, z$ o: l; O
还有很多，如有需要我把资料发到你邮箱里
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