写一个JAVA数据库连接类发给我
时间: 2023-03-16 14:43:58 浏览: 50
我可以提供一个示例代码,您可以使用它来创建一个Java数据库连接类:import java.sql.*;public class DatabaseConnection {
static Connection con;
static String url;
public static Connection getConnection()
{
try
{
String url = "jdbc:mysql://localhost:3306/yourdatabasename";
// assuming "DataSource" is your DataSource name Class.forName("com.mysql.jdbc.Driver");
try
{
con = DriverManager.getConnection(url,"username","password");
}
catch (SQLException ex)
{
ex.printStackTrace();
}
} catch(ClassNotFoundException e)
{
System.out.println(e);
} return con;
}
}