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22仿真币
现有二类产品，A和B，如何实现1个A和1个B组装成1个C？我用orderlist建了二个OL_1和OL_2,分别用于A和B的等待，到了下一个进程，要取用的时候，一个都取不出来，实在不知为什么了，请大侠帮忙。, P1 Z& I8 |( p( r
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begin P_wait arriving, o% ^& v( H# s% t+ I$ G
if this load type=L_a1 then: {$ \# F4 q' Z2 D- X3 A
wait to be ordered on OL_1
2 l7 v9 Y& G Q$ o7 C/ ^ if this load type=L_b1 then- }$ F2 b: i& d; j" f9 ~0 K- K, G$ z
wait to be ordered on OL_2( g3 g* x. d$ m+ ?
send to P_assemble
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begin P_assemble arriving
! U8 N9 |: s2 K; l order a load from OL_1 to die4 ^$ q2 A3 b7 b7 `. F
in case order not filled backorder on OL_1' j8 ~: S, v# D; E# S
order a load from OL_2 to continue
/ ?: z" R/ z* _. I6 Y& w+ ?% G K in case order not filled backorder on OL_2
& |" p/ f- Q0 J5 e; p6 q5 F set load type to L_product
' _7 X; j; D, b get R_massm3 S. d# A, N8 K9 b" H, d$ N
wait for normal 5,1 min4 r/ K( o4 _, N9 W8 h, b+ }
free R_massm* |, f6 r% f5 `9 g
move into Q_stock
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发表于 2009-6-14 16:41:55
楼主