MyEclipse 数据库查询 中文乱码解决方案

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


public class Testdb {

    public static void main(String[] args) {
        
        try {
            //第一步：加载驱动程序
            Class.forName("com.mysql.jdbc.Driver");
            //第二步：建立连接            
            Connection conn=DriverManager.getConnection("jdbc:mysql://localhost:3306/xinxin","root","xinxin");
            //第三步：创建SQL语句
            String SQL="select * from user";
            //第四步：执行SQL语句
            Statement st=conn.createStatement();
            ResultSet rs=st.executeQuery(SQL);
        
            
            //第五步：处理结果
            while (rs.next()) {
                System.out.print("用户ID："+rs.getString(1)+"   ");
                System.out.print("用户名:"+rs.getString(2)+"   ");
                System.out.println("密码："+rs.getString(3));
                
            }
        } catch (ClassNotFoundException e) {
            System.out.println("找不到驱动程序");
            e.printStackTrace();
        } catch (SQLException e) {
            System.out.println("连接数据库失败");
            e.printStackTrace();
        }