Category_5/DBUtil.java

package com.example;

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

public class DBUtil {
    private static String diver = "net.sourceforge.jtds.jdbc.Driver";
    //加入utf-8是为了后面往表中输入中文，表中不会出现乱码的情况
    private static String url = "jdbc:jtds:sqlserver://169.254.115.53:1433/exam;characterEncoding=UTF-8";
    private static String user = "sa";//用户名
    private static String password = "123";//密码
    public static Connection getSQLConnection() {
        Connection conn = null;
        try {
            Class.forName(diver);
            conn = (Connection) DriverManager.getConnection(url,user,password);//获取连接
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (SQLException e) {
            e.printStackTrace();
        }
        return conn;
    }

}