|
|
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:! _( x% s/ t) c- }
begin P_Order arriving procedure9 S h+ U+ @. I8 j# O! b+ k
set V_NumWanted to 10+ r2 e& c0 N" m+ D! O
set V_NumOnList to OL_List1 current value
9 i+ M9 Y: c1 w, K' T1 k# f order V_NumWanted loads from OL_List1 to P_NextProc
* K* l5 j4 p1 u6 x; m8 E in case order not filled
]6 l5 m5 o+ i1 R begin
4 B1 f3 o2 j3 ]8 {: X, p4 o6 g wait for .01 sec
9 J, E+ I8 Z& U: ]2 V' ?3 J8 v decrement V_NumWanted by V_NumOnList - OL_List1 current value
* @) ^9 e4 L- j: `5 ~ set V_NumOnList to OL_List2 current value, r% i; g9 A/ S1 I8 h' V
order V_NumWanted loads from OL_List2 to P_NextProc
) Y) A9 T& Z( K6 v9 j0 Z8 ] in case case order not filled
8 e& M6 Q e& l1 t* r8 h d7 h' W ................................................................., f9 m. T2 b. C
1 s; w' D7 a) p2 `# N
2 E. h! P, A; x' S+ r
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? |
最佳答案
查看完整内容
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。
|