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发表于 2012-11-13 08:48:12
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1判断语句
) ]* ^0 a6 m: {1 o' z if <condition> then- ~8 s% }& Q: P6 E1 P
<statement sequence1>;, W `; s3 D6 L! s9 ?* X
elseif <condition> then, @' y; {& y# }- \
<statement sequence2>;6 B9 v9 e" m* \+ j" |, i
else " S6 h9 Y) H# n( T
<statement sequence3>;
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如果分支比较多，用：
# t; K9 k2 t( E* f7 } inspect <expression>
p2 G; X- q+ i* N when <constant_list> then5 h) f S% H" w3 j: P* ?
<statement sequence1>;
0 ^ s" c3 ^. d6 G, o when <constant_list> then
0 R/ S! e; G" S* K) ?% m3 f <statement sequence2>;: P" ^: ~, \& ~+ H
...+ S) A4 Y: v* p" P. c
else
0 U- n6 S) ~: R7 x& ?+ {3 V <statement sequence3>;
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2循环语句4 b: _: B( i% i7 W9 l) O
(1) from <statement sequence1>9 U& p2 d, m9 m% r$ }; X
until <condition> loop
: s6 g2 X6 R0 C6 A <statement sequence2>;% J$ Z6 z0 X# N
end;
. k% e/ \% h: G9 ]8 R (2) while <condition> loop4 c, @; m- O7 t* Z0 V9 @
<statement sequence1>;* z0 |4 u# W4 _* X
end;& W: Z( o i3 J& T `
(3) repeat 6 W B/ h& S- M M, G8 R. L
<statement sequence1>;
9 J2 Q" _+ d' | f until <condition>;+ _- H" d! P' v" ]. L6 A
(4) for <condition> to <condition> loop9 K4 V: `" T5 o+ |2 G. D& B
<statement sequence1>;
( [/ j; p% m7 _0 J) A, ]$ R next;
. M! Q, ~4 P( y1 |, ]' V1 o- ~3中断语句
8 `: f% H$ `! y7 d2 M R0 u: E waituntil <condition> prio <integer expression>;4 G7 M# S" j! ]9 N Y* W. R
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以上为常用的函数！
3 E3 d4 T$ ~ l2 n0 n1 R9 s/ H* H还有很多，如有需要我把资料发到你邮箱里
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