无法在Java中输出二维数组到JTable中

想连接数据库实现一个学分的查,查询之后输出到一个JTable里,但是他只输出了表格没有输出数据,求大神救命!
贴个图

img

图片看不了的话我再贴个代码)(非完整)
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.event.*;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.table.TableColumnModel;

import java.sql.*;

public class Major extends JFrame
{

static final String JDBC_DRIVER = "com.mysql.cj.jdbc.Driver";  
static final String DB_URL = "jdbc:mysql://localhost:3306/CREDIT?useSSL=false&serverTimezone=UTC";

static final String USER = "root";
static final String PASS = "123456";//123456  嘿嘿
public Major() 
{
    super("不延毕");
    setBounds(600,600,800,300);

    JPanel chaxun = new JPanel();
    JPanel zengjia = new JPanel();
    JButton xiugai = new JButton();
    JButton shanchu = new JButton();
    
    JTabbedPane chk = new JTabbedPane(JTabbedPane.TOP);
    chk.addTab("查询", chaxun);
    chk.addTab("申请", zengjia);//创建选项卡窗格两个够了
    JPanel pane = new JPanel();
    pane.add(chk);
    add(pane);
    setVisible(true);//把他们都加入进来
    
    JLabel name1 = new JLabel("姓名");
    JTextField name2 = new JTextField(15);
    JLabel xuehao1 = new JLabel("学号");
    JTextField xuehao2 = new JTextField(15);
    JLabel xuefen1 = new JLabel("学分");
    JTextField xuefen2 = new JTextField(5);
    JLabel liyou = new JLabel("申请理由");
    JComboBox rea = new JComboBox();//rea是理由的意思
    rea.addItem("参加讲座");
    rea.addItem("大创比赛");
    rea.addItem("其他");
    JButton sq = new JButton("申请");
    zengjia.add(name1);
    zengjia.add(name2);
    zengjia.add(xuehao1);
    zengjia.add(xuehao2);
    zengjia.add(xuefen1);
    zengjia.add(xuefen2);
    zengjia.add(liyou);
    zengjia.add(rea);
    zengjia.add(sq);//进行一个申请界面的写

    //然后是连接数据库
        Connection conn = null;
        Statement stmt = null;
        try{
            // 注册 JDBC 驱动
            Class.forName(JDBC_DRIVER);
        
            // 打开链接
            conn = DriverManager.getConnection(DB_URL,USER,PASS);
        
            // 执行查询
            stmt = conn.createStatement();
            String sql;
            sql = "SELECT id, name, number, xuefen ,reason ,zhuangt FROM xiangmu";
            ResultSet rs = stmt.executeQuery(sql);
            
            
            //计算有多少条,为了设置二维数组
            int count = 0; 
            while(rs.next()){ 
              count++; 
            }
            Object[][] meat = new Object[count][6]; 
            count = 0;
            // 展开结果集数据库
            while(rs.next()){
                
                // 把数据add到数组里
                meat[count][0] = rs.getInt("id");
                meat[count][1] = rs.getString("name");
                meat[count][2] = rs.getString("number");
                meat[count][3] = rs.getString("xuefen");
                meat[count][4] = rs.getString("reason");
                meat[count][5] = rs.getString("zhuangt");
                count++;

            }
            
            //JLabel voiersg = new JLabel("ID    姓名          学号                  学分            申请理由             状态");
            /axun.add(voiersg);
            
            String[] biaotou = {"ID","姓名","学号","学分","申请理由","状态"}; 
            JTable jieguo = new JTable(meat,biaotou); 
            
            
            chaxun.add(jieguo);
            
            // 完成后关闭
            rs.close();
            stmt.close();
            conn.close();
        }catch(SQLException se){
            // 处理 JDBC 错误
            se.printStackTrace();
        }catch(Exception e){
            // 处理 Class.forName 错误
            e.printStackTrace();
        }finally{
            // 关闭资源
            try{
                if(stmt!=null) stmt.close();
            }catch(SQLException se2){
            }// 什么都不做
            try{
                if(conn!=null) conn.close();
            }catch(SQLException se){
                se.printStackTrace();
            }
        }
    
    
    
    

}
}

while(rs.next())只能循环一次的,想要再循环,将游标重置就行了。