http://blog.youkuaiyun.com/longronglin/archive/2006/11/23/1408108.aspx
对应的Hash值:函数为sourceforge.net上的 rabinHash
RabinHashFunction32 rabinHash = new RabinHashFunction32(1);
try
{
long hashValue = rabinHash.hash(keyWord[i]);
System.out.println(hashValue);