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发表于 2012-11-13 08:48:12
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1判断语句
' s* t8 g# Y. \$ @+ J% g if <condition> then
3 n' u+ h7 [* ?/ f: p5 O$ G$ o <statement sequence1>;
+ x, j" R, }5 t elseif <condition> then
$ E1 ^, }' R& I }: ]5 u <statement sequence2>;
! r: D; [6 o+ V else
6 D; U2 m% p/ K1 x <statement sequence3>;/ F% z8 T- N# X; O" m% A& ?" |% I
end;
$ ]- q5 R L& C5 D" ?5 j如果分支比较多，用：. [& N4 Y/ M1 S: h" e
inspect <expression>
6 L. B! M$ D, X. E8 s& B* s when <constant_list> then
5 I8 n2 u6 x3 @; O <statement sequence1>;- f8 ]. ?& R1 o+ o# @% E' b9 P
when <constant_list> then3 S/ W' p5 m( W. G% V7 k% Z
<statement sequence2>;; v5 v! }. A/ t
...( I" y1 H! Z% i8 y; N% i! ^
else% A/ Q1 A/ z* W n! G F* T) T
<statement sequence3>;2 [: L1 L( S+ ?, x
end;/ w; M; h( v/ i8 P' `% e, q$ {
/ @2 d0 ?6 H- S& d4 D0 `) J2 l2循环语句
) [" U& i) W. a (1) from <statement sequence1>; T5 A' B+ ?7 @) N. ?
until <condition> loop$ p- p$ l3 \ C/ f0 Y
<statement sequence2>;
0 |$ Q7 l7 f6 p0 E0 O end;
7 V r/ g4 d& F" z9 v, q (2) while <condition> loop: r. L5 P3 |4 x+ l& f
<statement sequence1>;
2 V: u$ }: `# S4 c* k. J end;/ k* Q* \4 G3 G" `
(3) repeat
4 P2 o* O+ @( `# I& l <statement sequence1>;+ z3 r `2 |! w( F' l" Z. {2 A
until <condition>;; L$ c' g, N- \
(4) for <condition> to <condition> loop
9 r/ C/ G$ k7 A2 H <statement sequence1>;
3 |' s+ B6 z( d next;
! s5 S, m2 T6 l) n5 }5 h1 n D3中断语句$ C( Z H/ Q$ L( A
waituntil <condition> prio <integer expression>;
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5 T, j; O7 |" Y: U
以上为常用的函数！
+ b M6 v8 _8 T7 h: y0 _6 X还有很多，如有需要我把资料发到你邮箱里 # P9 e% k, h$ Z: O7 v% o0 R
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