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发表于 2012-11-13 08:48:12
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1判断语句
! |3 I9 ~9 u' G0 B" D; ^0 P$ @0 R if <condition> then
& [' J5 Q- R) T8 o* I <statement sequence1>;
; ?/ A5 Q- c- ^! x1 S1 `& j elseif <condition> then( n4 F2 N* F2 J6 r$ R( t |
<statement sequence2>;
* K! a c$ i' X4 j2 D' s else 8 P& h/ J2 n C* A% l5 u: m ?! ?: G
<statement sequence3>;" \2 _( D5 ^& R1 \4 k0 H8 F0 a+ w
end;7 j8 A5 H- N" U" j
如果分支比较多，用：
3 W9 h. l. g; U; ]$ U, h inspect <expression>' Z1 K' ?& _9 V% Q. |# S
when <constant_list> then
) Q+ Z& P+ H$ x6 ?6 T7 U8 L <statement sequence1>;
3 A* v! E! |, q* I when <constant_list> then! h6 Z, h1 F; N: L- D0 M% S
<statement sequence2>;
. j2 Z2 M, u& C+ J# L ...
/ o: [8 E! P; C& a: D- I7 w' W$ ^ else; m& h( l& K' _2 U w
<statement sequence3>;
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2循环语句4 l" R9 h% Q9 r
(1) from <statement sequence1>2 u2 j: V4 v% a- ~
until <condition> loop+ j$ k j& s* ]3 W
<statement sequence2>;
4 j O9 a( }0 h q& U+ ? end;- w: R/ U3 g/ W( d' r0 `
(2) while <condition> loop" B$ z2 u. k0 ?! ]+ [7 {, C
<statement sequence1>;
+ n3 `1 {/ K9 ?. ~$ N/ @4 e3 f end;
1 U2 ?! r: d, t1 l7 z (3) repeat
6 v( F* d0 E$ v, ]& Z+ M* H3 g <statement sequence1>;
1 s" x* X$ R6 |/ n until <condition>;% W2 f7 e3 P4 c5 S! G1 T
(4) for <condition> to <condition> loop; @! T/ G. y! i1 ^& ~$ m
<statement sequence1>;$ k* l9 a# A1 J* k3 B- Y0 K. `
next;
) v( Z( U6 e( ~! `9 C# d3中断语句7 t/ B" v( U! X N+ z
waituntil <condition> prio <integer expression>;4 h. a7 O+ V5 Q" z$ M) N
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% }% E1 Q* \" V& j! F以上为常用的函数！
, _$ {1 J5 n! z, R4 |/ ^1 U) y2 U还有很多，如有需要我把资料发到你邮箱里
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