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发表于 2012-11-13 08:48:12
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1判断语句 b$ k: b! A6 ?6 {! y- R/ u
if <condition> then
5 M3 W l! O4 u4 P9 B) j <statement sequence1>;
7 d) y0 ^: @- v' R5 X, c* O elseif <condition> then% t% w4 J# m* d S2 f2 a n
<statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：* @$ k- h& l; U; F$ I O
inspect <expression>
6 @3 s1 N5 E; q when <constant_list> then
5 [" F t" m5 m6 s( x <statement sequence1>;
9 E; V7 N$ e0 {' n* ^ when <constant_list> then
& h' m1 t& t# H! `' I <statement sequence2>;
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<statement sequence3>;
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2循环语句
. l- r/ h* k* w: S (1) from <statement sequence1>
3 T% N. G. o* Q% S/ {" o( j until <condition> loop
, ]9 `$ @3 p% C <statement sequence2>;
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(2) while <condition> loop
2 p" B. L* Q" N) G% w) o4 Y( w z1 { <statement sequence1>;
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(3) repeat
2 K8 f- L+ Y; Y <statement sequence1>;
7 c) c( K6 `* \* u+ P until <condition>;
7 B$ s& d2 m" c9 S" H2 J! Z8 s (4) for <condition> to <condition> loop
, ^3 E: F/ E v( ^ <statement sequence1>;& I: Z5 m- O/ q* m e; o# h) @4 x
next;
/ ^0 C. I8 V. v& y- r. L0 c/ Y3中断语句
' G" r1 R" A8 C waituntil <condition> prio <integer expression>;
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以上为常用的函数！8 X( q3 b4 y1 |% `7 y w4 X. W
还有很多，如有需要我把资料发到你邮箱里 . V) I+ ?1 k0 {. t" _* q
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