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发表于 2012-11-13 08:48:12
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1判断语句6 C7 l$ t ?: m, [$ c' o
if <condition> then
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elseif <condition> then
5 C% f' `, J8 ?& p3 d# l <statement sequence2>;+ c3 i+ w3 W% d
else 7 [! Y' @( m+ u; E+ C W7 F
<statement sequence3>;2 f( x/ S" K9 o6 ?8 m$ k
end;
. i( W& [4 s2 }0 P* o3 Y n- ]$ m如果分支比较多，用：, w% ]8 Z9 U( @9 b
inspect <expression>
s0 }; d; J+ P) b% _ when <constant_list> then& p1 H8 ~) l3 F: x4 N
<statement sequence1>;' S5 Q! b' \9 w9 R7 o
when <constant_list> then$ \$ ]3 w) l! U4 H( R
<statement sequence2>;
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else+ `" ?1 M8 M/ J. @6 b3 ?& O2 u$ i
<statement sequence3>;! [, M/ ^8 A$ C4 Q* |% L
end;2 c6 A3 H- w! P+ k* ~# a
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2循环语句( l( G/ Y3 }4 ]" S1 [
(1) from <statement sequence1>" p) w" z5 y4 G3 `3 z9 M
until <condition> loop9 q/ P! {- D- F F0 ~! Q K
<statement sequence2>;
2 h" c# E3 y# I2 O5 a/ A2 @3 ~ B end;
/ e" z. ~, z k' g' ]3 p, `; \4 ]/ ^ (2) while <condition> loop; w( Q: c5 S' G7 N4 H9 c2 y
<statement sequence1>;! ?) ^" m1 G7 e7 I( p" C0 n
end;% j& r9 i6 F2 e$ e& Y
(3) repeat
4 u* A- ^8 t$ v9 { <statement sequence1>;
0 f' E+ P: S9 t+ ]8 ]) s until <condition>;
0 |' Q+ R9 [# E. n* V (4) for <condition> to <condition> loop3 Z8 D: s' n4 @* l& c" u* k$ S* i
<statement sequence1>;
9 I7 [) }- e% r M9 } next;, Y+ a* G9 t' {2 _
3中断语句9 {1 |5 N5 i" N! F. m
waituntil <condition> prio <integer expression>;: E# X! R+ l3 S
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以上为常用的函数！" C# t: Z! u5 f4 d* p% [
还有很多，如有需要我把资料发到你邮箱里
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