///
/// 汉字转拼音缩写
///
/// 要转换的汉字字符串
/// 拼音缩写
public string GetPYString(string str)
{
string tempStr = "";
foreach(char c in str)
{
if((int)c >= 33 && (int)c 0 && chrasc < 160)
                {
                    returnstr += nowchar[j];
                }
                else
                {
                    for (int i = (pyvalue.Length - 1); i >= 0; i--)
                    {
                        if (pyvalue[i]