//获得所有汉字的拼音
public String getFullSpell(String gb2312) {
if (null == gb2312 || "".equals(gb2312.trim()))
{
return gb2312;
}
char[] chars = gb2312.toCharArray();
StringBuffer retuBuf = new StringBuffer();
for (int i = 0, Len = chars.length; i < Len; i++)
{