package com.springboot.demo;
import java.sql.*;
import java.util.ArrayList;
import java.util.List;
public class DatabaseUtil {
private static final String DRIVER = "com.mysql.jdbc.Driver";
private static final String URL = "jdbc:mysql://localhost:3306/spring?useUnicode=true&characterEncoding=utf8";
private static final String USERNAME = "root";
private static final String PASSWORD = "root";
private static final String SQL = "SELECT * FROM ";// 数据库操作
static {
try {
Class.forName(DRIVER);
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
}
/**
* 获取数据库连接
*
* @return
*/
public s