HelloWord

摘要： 数据库连接类：View Code 1 public class DBConnection { 2 3 private static final String DRIVER = "com.mysql.jdbc.Driver"; 4 private static final String URL = "jdbc:mysql://localhost:3306/state_grid?characterEncoding=UTF-8"; 5 private static final String USERNAME = "root"; 6 priv 阅读全文