jdbc出现错误Before start of result set Query: select *

摘要: Before start of result set Query: select * from user where id=3 Parameters: []

public class Demo1 {
@Test
public void test1(){
try {
String sql="select * from user where id=3";
Connection conn=JdbcUtil.getConnection();
//创建DbUtils核心工具类对象
QueryRunner qr=new QueryRunner();
//查询
User user=qr.query(conn, sql, new ResultSetHandler<User>(){
public User handle(ResultSet rs) throws SQLException {
if(rs.next()){
User user=new User();
user.setId(rs.getInt("id"));
user.setName(rs.getString("name"));
user.setWorkDate(rs.getString("workDate"));
user.setAge(rs.getInt("age"));
return user;
}
return null;
}
});
System.out.println(user);
} catch (SQLException e) {
e.printStackTrace();
}
}

----------------------------------------------缺少红色代码就会出现上面那个错误