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发表于 2012-11-13 08:48:12
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1判断语句9 X% z1 S* r9 _0 C4 D+ Y
if <condition> then
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elseif <condition> then& c2 w V: P! p5 ?4 @
<statement sequence2>;
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<statement sequence3>;: F( a5 r' t: N
end;
0 W- ^1 A8 T/ p! k/ ]如果分支比较多，用：
) l" @) K' F3 a5 J inspect <expression>4 c/ I: S% |1 d# s
when <constant_list> then
# p ]8 h/ @& a; X# h <statement sequence1>;
2 c# u+ C4 X9 x7 S, ]1 R# v when <constant_list> then p }$ [ c( h* G1 k- g
<statement sequence2>;
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else1 r9 A8 I6 p. b( G
<statement sequence3>;9 S+ q' M! f" M" u2 n P- g
end;
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2循环语句
; ~9 P8 w& m" T% N) R' D. g2 G+ r: W (1) from <statement sequence1>8 C" E( E+ \) k' H7 l4 z' S6 C" N
until <condition> loop. g+ U& K' q6 T# D% O3 i
<statement sequence2>;
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(2) while <condition> loop
; V) {9 u; h$ h; K. A <statement sequence1>;& L$ ]9 I9 _4 g4 x7 X e# d) N
end;% u1 j$ r' b4 d' o7 Y/ l; U
(3) repeat
' R( F! t) [# F: @1 Y+ {' [+ [" L+ l2 f9 t <statement sequence1>;
+ H X, _0 P/ g5 P/ D- b" }5 M until <condition>;( s; @! ]1 ~3 i7 _
(4) for <condition> to <condition> loop
, E8 d0 x. T% ~9 n ]! M3 X <statement sequence1>;! a. s/ r7 y7 M$ U/ ~3 P
next;
5 ]$ o* r0 }; |; }' n5 t3中断语句
/ Y5 O1 y C5 G, L( d4 O6 M waituntil <condition> prio <integer expression>;
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, b" V7 ] B3 {( R以上为常用的函数！
- p' Z$ `; u, v. A0 E. }还有很多，如有需要我把资料发到你邮箱里
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