JSP 动态树的实现(2)

package com.sx.mas.utils;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
public class DBConn {
private static final String DRIVER="com.mysql.jdbc.Driver";
private static final String URL="jdbc:mysql://localhost:3306/treedemo";
Connection conn=null;
public Connection getConnection(){
try {
Class.forName(DRIVER);
conn=DriverManager.getConnection(URL,"root","root");
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return conn;
}
}
package com.sx.mas.utils;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
public class DBConn {
    private static final String DRIVER="com.mysql.jdbc.Driver";
    private static final String URL="jdbc:mysql://localhost:3306/treedemo";
    Connection conn=null;
    public Connection getConnection(){
        try {
            Class.forName(DRIVER);
            conn=DriverManager.getConnection(URL,"root","root");
        } catch (ClassNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (SQLException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return conn;
    }
}

复制代码 代码如下: