C#之Common

/// <summary>
/// string→list
/// 2016-4-12
/// </summary>
/// <param name="names">字符串</param>
/// <returns></returns>
public static List<string> ToList(string names)
{
List<string> listId = new List<string>();
if (!string.IsNullOrEmpty(names))
{
var sort = new SortedSet<string>(names.Split(','));
foreach (var item in sort)
{
listId.Add(item);

}
}
return listId;
}

/// <summary>
/// 从^分割的字符串中获取多个Id,先是用 ^ 分割，再使用 & 分割
/// </summary>
/// <param name="ids">先是用 ^ 分割，再使用 & 分割</param>
/// <returns></returns>
public static List<string> GetIdSort(this string ids)
{
List<string> listId = new List<string>();
if (!string.IsNullOrEmpty(ids))
{
var sort = new SortedSet<string>(ids.Split('^')
.Where(w => !string.IsNullOrWhiteSpace(w) && w.Contains('&'))
.Select(s => s.Substring(0, s.IndexOf('&'))));
foreach (var item in sort)
{
listId.Add(item);
}
}
return listId;
}