c# - 编程逻辑! :O

Question

因为缺乏看似合理的编程逻辑而难过..

在 SSIS 的脚本任务中。需要做一些数据转换..如下..

switch(LeadTime)
{

case: 1

WM1 = DAY1
WM2 = DAY2
WM3 = DAY3
WM4 = DAY4
WM5 = DAY5
WM6 = DAY6
WM7 = DAY7


case: 2

WM1 = DAY1 + DAY2
WM2 = DAY2 + DAY3
WM3 = DAY3 + DAY4
WM4 = DAY4 + DAY5
WM5 = DAY5 + DAY6
WM6 = DAY6 + DAY7
WM7 = DAY7 + DAY1


case: 3


WM1 = DAY1 + DAY2 + DAY3
WM2 = DAY2 + DAY3 + DAY4
WM3 = DAY3 + DAY4 + DAY5
WM4 = DAY4 + DAY5 + DAY6
WM5 = DAY5 + DAY6 + DAY7
WM6 = DAY6 + DAY7 + DAY1
WM7 = DAY7 + DAY1 + DAY2


..................

case: 7 

WM1 = DAY1 + DAY2 + DAY3 + DAY4 + DAY5 + DAY6 + DAY7
WM2 = DAY2 + DAY3 + DAY4 + DAY5 + DAY6 + DAY7 + DAY1 
WM3 = DAY3 + DAY4 + DAY5 + DAY6 + DAY7 + DAY1 + DAY2 
WM4 = DAY4 + DAY5 + DAY6 + DAY7 + DAY1 + DAY2 + DAY3 
WM5 = DAY5 + DAY6 + DAY7 + DAY1 + DAY2 + DAY3 + DAY4 
WM6 = DAY6 + DAY7 + DAY1 + DAY2 + DAY3 + DAY4 + DAY5 
WM7 = DAY7 + DAY1 + DAY2 + DAY3 + DAY4 + DAY5 + DAY6 


}

我如何围绕它构建一个循环以使其成为良好的编程？我很茫然，因为它在中间值之后从两端添加..

这就是我能做的! :O

case: 7

for(int i=0;i<LeadTime;i++)
{
WM1 += Array[i];
WM2 += Array[i];
...
WM7 += Array[i];
}

Answer 1

您可以使用模数来环绕。这应该适用于所有人:

WM = new int[7];
for (int i = 0; i < LeadTime; i++) {
  for (int j = 0; j < WM.Length; j++) {
    WM[j] += Array[(i + j) % 7];
  }
}