code: public static PreparedStatement fillParams(PreparedStatement ps, Collection<Object> params) throws SQLException {
  		return fillParams(ps, params.toArray(new Object[params.size()]));
  	}
docs: 填充SQL的参数。
  
  @param ps PreparedStatement
  @param params SQL参数
  @return {@link PreparedStatement}
  @throws SQLException SQL执行异常