加载和连接

package com.sql.zmz;

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


import javax.sql.RowSet;
 
 
public class Test1{
    	static Statement sql;
        static Connection con;
        static ResultSet res;
        public Connection getConection() {
        	try {
				Class.forName("com.mysql.jdbc.Driver");
				System.out.println("数据库驱动加载成功");
			} catch (ClassNotFoundException e) {
				e.printStackTrace();
			}
        	String url = "jdbc:mysql://localhost:3306/test_db?user=root&password=123456&useSSL=true";
        	try {
        		
				con = DriverManager.getConnection(url);
				System.out.println("连接数据库成功");
			} catch (SQLException  e) {
				// TODO: handle exception
				e.printStackTrace();
			}
        	return con;
        }
        
        public static void main(String[] args) {
			Test1 c = new Test1();
			con = c.getConection();
			try {
				sql = con.createStatement();
				res = sql.executeQuery("select*from tb_emp1");
//				res = sql.executeQuery("select*from tb_emp1 where name like '张%' ");
				while(res.next()) {
					String id = res.getString("id");
					String name = res.getString("name");
					String deptId = res.getString("deptId");
					String salary = res.getString("salary");
					System.out.print("编号："+id);
					System.out.print("姓名："+name);
					System.out.print("工号："+deptId);
					System.out.print("薪水"+salary);
					System.out.println("");

				}
			} catch (Exception e) {
				// TODO: handle exception
				e.printStackTrace();
			}
		}
    
 
}