双token实现token超时策略示例

import com.google.common.base.charsets;
import com.google.common.hash.hashing;
import java.util.date;
import org.apache.commons.lang.time.fastdateformat;

/**
 *
 * @author charles
 */
public class tokenutils {

    private static final string privatekey = "fdas34ljfr好sja@#8$%dfkl;js&4*daklfjsdl;akfjsa342";

    public static string gettoken(string password, string date) {
        return hashing.md5().newhasher().
                putstring(password, charsets.utf_8).
                putstring(privatekey, charsets.utf_8).
                putstring(date, charsets.utf_8).hash().tostring();
    }

   
    public static string gettoken(string password, date date) {
        return hashing.md5().newhasher().
                putstring(password, charsets.utf_8).
                putstring(privatekey, charsets.utf_8).
                putstring(getdate(date), charsets.utf_8).hash().tostring();
    }

   
    public static string gettoken(string password) {
        return hashing.md5().newhasher().
                putstring(password, charsets.utf_8).
                putstring(privatekey, charsets.utf_8).putstring(getdate(), charsets.utf_8).hash().tostring();

    }

    public static boolean validtoken(string token, string password) {
        string confirm = gettoken(password);
        if (confirm.equals(token)) {
            return true;
        } else {
            return false;
        }
    }

    public static string getdate() {
        date date = new date(system.currenttimemillis());
        return fastdateformat.getinstance("yyyymmddhh").format(date);

    }
    public static string getdate(date now) {

        return fastdateformat.getinstance("yyyymmddhh").format(now);

    }
     public static string getnexthour(date now) {
        date date = new date(now.gettime()+60*60*1000);

        return fastdateformat.getinstance("yyyymmddhh").format(date);

    }
}