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发表于 2012-11-13 08:48:12
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1判断语句
2 B1 w) ~6 a- N F" v if <condition> then
+ P1 u1 T5 @! j+ P5 H: Z <statement sequence1>;; R) }3 z+ L, h. c8 |4 Y
elseif <condition> then
2 s' K/ [3 b2 @ <statement sequence2>;
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<statement sequence3>;7 _/ H; a* ]5 | ?) T: }' O/ d
end;0 [ ]1 C& [3 {! j$ R$ E
如果分支比较多，用：
% B! t- O( @* u% V inspect <expression>0 {; k' T7 p, B' g. T2 U: d
when <constant_list> then g o' s1 ] m' C5 I0 d
<statement sequence1>;2 C: B, S" c2 B$ R' h
when <constant_list> then+ a! P- i" q5 Y: g. @
<statement sequence2>;
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else4 R. t8 _4 V& u+ o( I/ w
<statement sequence3>;
8 y# k% l& m6 n8 k0 S$ nend;
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3 x$ V m# T, d6 [" F- k( \# t8 P2循环语句0 e$ R0 n* @/ I& }4 d1 U* t- \
(1) from <statement sequence1>8 V+ n- A! P6 k
until <condition> loop! T- N3 p% i& |6 b% ^
<statement sequence2>;* z! P/ w) d `+ }+ J
end;8 G5 d5 F5 E1 X& w; _) n
(2) while <condition> loop8 L& l1 \4 y4 q- s2 z5 r% [
<statement sequence1>;
3 P! l+ A% l4 A1 y end;
. R6 T+ q1 \8 X4 ] (3) repeat
0 d( _" `1 S, W$ O: q# k <statement sequence1>;
, w M6 E& M8 @ until <condition>;% I: K2 Y* S, m$ o* A, q6 c
(4) for <condition> to <condition> loop
! z/ y: `/ }' a <statement sequence1>;
4 g4 \1 Y% \- r8 a O# q next;- S( y9 U$ b f7 l
3中断语句
4 |% A) v5 y- }7 G' z$ X& T2 q waituntil <condition> prio <integer expression>;/ j. C! b6 G8 u+ [ v% s
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以上为常用的函数！
$ e, ~& }0 K. ]还有很多，如有需要我把资料发到你邮箱里
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