List result = new List();String[] arr = System.IO.File.ReadAllLines("file_path");string temp;foreach(string item in arr){
string[] tmpArr = item.Split(new char[]{','});
tmpArr[1]=你的处理
result.Add(tmpArr[0]+","+tmpArr[1]);}System.IO.File.WriteAllLines("file_path",result.toArray(),Encodi...
