/// <summary>
/// 按长度排序
/// </summary>
public void Sort(SegList list)
{
int max = 0;
for (int i = 0; i < list.Count - 1; ++i)
{
max = i;
for (int j = i + 1; j < list.Count; ++j)
{
string str1 = list.GetElem(j).ToString();
string str2 = list.GetElem(max).ToString();
int l1;
int l2;
if (str1 == "null")
l1 = 0;
else
l1 = str1.Length;
if (str2 == "null")
l2 = 0;
else
l2 = str2.Length;
if (l1 > l2)
max = j;
}
object o = list.GetElem(max);
list.SetElem(max, list.GetElem(i));
list.SetElem(i, o);
}
}