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public class userList//定义一个userList类
{
public int ID { get; set; }
public string userName { get; set; }
public userList()
{
}
public userList(int id, string name)
{
ID = id;
userName = name;
}
}
List<userList> list = new List<userList>()
{
new userList{ID=10,userName="u10"},
new userList{ID=100,userName="u100"},
new userList{ID=20,userName="u20"},
new userList{ID=40,userName="u40"}
};
userList max_item = list.Where(x => x.ID == list.Max(y => y.ID)).FirstOrDefault();
Console.WriteLine(max_item.ID + "\t" + max_item.userName);
/*
100 u100
*/
public string[] GetCallingIdByCallingName(string callingname, string defaultcallingname)
{
List<string> callingStrList = new List<string>();
string[] callings = callingname.Split('/');
foreach (string callingStr in callings)
{
string callingId = null;
List<Calling> callinglist = GetCallingList();
if (callinglist.Count <= 0)
{
return callingStrList.ToArray();
}
Calling calling = null;
if (string.IsNullOrEmpty(callingStr))
{
calling = callinglist.Find(c => { return c.CallingName == defaultcallingname; });
if (calling != null) callingId = calling.CallingID;
callingStrList.Add(callingId);
continue;
}
List<string> segmentnames = SegmentHelper.DoSegment(callingStr);
var items = from k in
(from c in callinglist
from s in segmentnames
where c.CallingName.Contains(s)
select c)
group k by k.CallingID into gc
orderby gc.Count() descending
select gc.Key;
if (items.Count() > 0)
{
string key = items.First();
callingStrList.Add(key);
continue;
}
}
return callingStrList.ToArray();
}
public class para
{
public int id { get; set; }
public string s { get; set; }
}
List<para> list = new List<para>()
{
new para{id=1,s="1"},
new para{id=2,s="2"},
new para{id=3,s="3"},
new para{id=4,s="4"}
};
para max_item = list.OrderByDescending(a => a.id).FirstOrDefault();