java链接sqlite轻型数据库

Posted 2021-12-31 长安紫薯

package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.sql.Statement;

/**
* @author 作者：tony chan
* @email 邮箱：[e-mail]
* @version v.1.0 创建时间：上午8:45:59
* @description 描述：java链接sqlite轻型数据库
*/

public class TestSqlite 
	public static void main(String[] args) throws ClassNotFoundException, SQLException 
		String driver = "org.sqlite.JDBC";
		String db = "C:\\\\Qt\\\\ws\\\\StudentSys\\\\stu.db";
		String url = "jdbc:sqlite:" + db;		//注意SID
		String sql = "select * from tb_student";
		
		Class.forName(driver);
		Connection cn = DriverManager.getConnection(url);
		Statement stat = cn.createStatement();
		ResultSet rs = stat.executeQuery(sql);	//执行SQL语句返回结果集
		ResultSetMetaData md = rs.getMetaData();	//获取表结构信息
		
		//获取列数
		int cols = rs.getMetaData().getColumnCount();
		
		//打印列名
		for(int i=1; i<=cols; i++) 
			System.out.print(md.getColumnName(i)+"\\t");
		
		
		//打印数据
		while(rs.next()) 
			System.out.println();
			for(int i=1; i<=cols; i++) 
				System.out.print(rs.getString(i)+"\\t\\t");