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发表于 2012-11-13 08:48:12
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1判断语句
8 Z+ ~0 q" R- S) k if <condition> then
, S$ X4 [$ k! V! i <statement sequence1>;
$ R. x+ d$ F9 @% L, p4 U7 N; U elseif <condition> then; \ M: [" B1 z2 f* q
<statement sequence2>;- d R: g' ]$ N' T
else
' ~2 E) P7 E$ A A+ I4 ? <statement sequence3>;
6 {8 v- V) |0 b2 f# e1 {! H5 C end; v* K4 Y. l- M/ [; p P
如果分支比较多，用：3 S8 q B; w4 w
inspect <expression>4 { |) O6 g3 I5 E, z5 N1 o
when <constant_list> then
- ~* i% q0 M9 h" U7 I <statement sequence1>;: S) L, E4 T" h2 w: k4 E
when <constant_list> then
2 R2 }! U; {, J <statement sequence2>;/ j5 L# K @/ W1 l1 _
...
3 V) J; B/ X$ R7 k else
6 K# F( T1 E) B0 d0 G6 N! C <statement sequence3>;2 P. `$ B: t: R% B
end; W! P0 R3 v8 d3 V6 C- k
/ W! q3 r7 Q& y8 @$ R& f2 s5 }2循环语句5 P- Z2 l% P/ m, X+ w
(1) from <statement sequence1>6 a' Z) ~8 Z9 a+ q+ l* I' ]3 V
until <condition> loop3 H' w% H- F" q! X! E0 v
<statement sequence2>;
O3 Q, W/ P2 x7 V end;
5 O5 l( J" a# h9 D (2) while <condition> loop Q" D+ @5 K' l0 Y) f
<statement sequence1>;! L) S9 J: c: H. W- \4 H
end;
9 b: X7 ^, m& B0 {/ h' P (3) repeat 1 n3 l A1 ?: ]4 B6 x% W( S
<statement sequence1>;) b, l9 u# ~" @ y; N
until <condition>;4 p4 L" t# \4 I7 V4 |, r& `; w
(4) for <condition> to <condition> loop5 I d- o) T- U, @8 [3 V
<statement sequence1>;
* k( [ I5 y' D% ^8 j2 v0 B next;! ~- u* y2 P7 ?
3中断语句
6 K% c3 c# W$ x, [ e0 s waituntil <condition> prio <integer expression>;
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以上为常用的函数！
4 n0 E7 [0 `( K0 E' M) U9 S还有很多，如有需要我把资料发到你邮箱里 - q, W7 P+ x' S) b
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