10进制转1024进制方法

public static String TransTento1024(String clientVersion){
    long versionL=Long.parseLong(clientVersion.trim());
    String  fuwuqiVersion="";
    for ( int i = 0; i < 4; i++) {
        long A= versionL >> i * 8 & 0xFF;
        if(i<3){
            fuwuqiVersion="."+A+fuwuqiVersion;
        }else {
            fuwuqiVersion=A+fuwuqiVersion;
        }
    }
    return  fuwuqiVersion;
}