java课程设计----图书馆管理系统

}

}

package edu.njust.cs; import java.sql.*; import javax.swing.*; import java.util.*; import java.io.*; public class SqlUtil{

//读入配置文件

public static Properties loadProperty(String fileName){ }

Properties prop=new Properties(); try{ }

return prop;

FileInputStream in=new FileInputStream( prop.load(in); in.close();

System.getProperties().get("user.dir")+"/"+fileName);

}catch(IOException e){

e.printStackTrace();

JOptionPane.showMessageDialog(null, "配置文件丢失!\n建议重新安装程序",

"信息",

JOptionPane.ERROR_MESSAGE);

prop=null;

//建立和MS SQL SERVER的连接

public static Connection acquireConnection(

String host,String port,String dbName,String user, String pwd) throws ClassNotFoundException,SQLException{ Connection connection=null; try{

Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver"); String url ="jdbc:microsoft:sqlserver://"+

host+":"+port+";User="+user+";Password="+pwd;

connection= DriverManager.getConnection(url); connection.setCatalog(dbName);

e.printStackTrace(); throw e;

e.printStackTrace(); throw e;

}catch(ClassNotFoundException e){

}catch(SQLException e){