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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句6 m+ b Y5 u; z& l8 M
if <condition> then
0 ^9 D" v3 Z; I+ M y6 _" [) M <statement sequence1>;
3 O% V; {: k3 B# W# j% h2 I elseif <condition> then0 E4 s( r/ s: R* l9 a
<statement sequence2>;
( |, a( S! r! z9 n6 I( l" z else
! ~0 m/ Z: J: K6 u9 V5 ~! t <statement sequence3>;4 ?9 K' t2 K: z; _0 A6 u1 z5 Z8 t
end;. d! ?8 u4 } N( E# M
如果分支比较多，用：- x9 M# A, Y/ c+ R
inspect <expression>2 x9 b2 H9 q1 C# \$ V
when <constant_list> then
! r- _$ \# r( N! x <statement sequence1>;
/ @& ?) H# P& @ when <constant_list> then, T4 f$ k! U# p: ?" J, s9 S
<statement sequence2>;
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else( e( w' S: o, `" X9 I" D8 {
<statement sequence3>;
7 t/ \( t/ t( \' l: D; j/ cend;( }1 ]5 |! B. @8 |
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2循环语句
7 V5 C! l9 |, A: z8 [ (1) from <statement sequence1>
' w/ L* @2 W" m6 P1 A* c until <condition> loop
% _2 ^' b$ G& w3 X: y/ f <statement sequence2>;/ p: |( o. b* c) K
end;, V' @/ q) u1 Z
(2) while <condition> loop4 n: s/ T& c4 ?" E; X* I" X" f( G
<statement sequence1>;
- ]# x- @' y& O/ r end;
1 N, o# p" _$ c9 A3 } (3) repeat & r. d$ t* @0 m ?! G' o
<statement sequence1>;" F. j) h) K) g N1 q" f' e
until <condition>;6 {1 f8 l+ r( F# }4 ^& }
(4) for <condition> to <condition> loop# O, r7 q$ t1 d' p- F6 C+ Y% _
<statement sequence1>;+ O: Y- u% @5 o5 l' ~8 k
next;7 W& s8 [* l6 G+ u
3中断语句; g( f8 K4 n- X" ~ h0 _
waituntil <condition> prio <integer expression>;
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以上为常用的函数！& f7 ^, u+ i! V" u/ B# F8 K
还有很多，如有需要我把资料发到你邮箱里 % Q2 u$ m8 _' Z% y, T
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