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5仿真币
在使用Order List时,当一个order list满足不了order的数量,要用第二个甚至第三个order list,有一段程序,请大虾解释一下,多谢!程序如下:
: w# I+ c3 W" vbegin P_Order arriving procedure* e0 ~8 w$ w* e% n1 z: N3 }9 n
set V_NumWanted to 102 t& j1 B2 W9 |1 a
set V_NumOnList to OL_List1 current value
8 X; x( C( _. D- P% l order V_NumWanted loads from OL_List1 to P_NextProc3 L: _' g J1 _: `" T7 ? U
in case order not filled
0 Q. k9 C% {7 H0 w1 P) B5 R begin! K" L, ?2 A) t; `2 }( a- R6 d
wait for .01 sec
2 }7 G4 x4 \. r: ~' a$ Q* W decrement V_NumWanted by V_NumOnList - OL_List1 current value
5 s( B2 ?! C6 `+ D9 |6 Q* ? set V_NumOnList to OL_List2 current value
3 |/ U/ Z5 p9 |; `0 O) F, ] order V_NumWanted loads from OL_List2 to P_NextProc
J; J+ A s) x4 }) a in case case order not filled
* E. P8 q8 V5 J: l2 N0 M .................................................................
5 J- s) e* a R. p" U# z: @/ f1 w, Q, Q( K: ~1 b
/ G8 f5 h: y! W5 y2 @7 i. O1 v我就是不明白上面用红绿色作标记的那句,为什么后面要加-OL_List1 current value.用前面绿色部分,即把不够的load算出来就不行了吗? |
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由于有in case order not filled这句,所以我觉得红色部分应该可以去掉。你还是自己测试一下吧,不一定要按书上说的做。
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