databaseinquire.java

来自「自己编的数据库连接的javaBean,功能：提供共享的Connection co」· Java 代码 · 共 31 行

import java.sql.*;
public class DataBaseInquire
{      
       Connection con=null;
       Statement sql=null;  
    public DataBaseInquire(){    
           if(con==null){
			   try{ 
				   Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
	           }catch(ClassNotFoundException e){}

			   try{
				   con=DriverManager.getConnection("jdbc:odbc:ZQY","","");
				   sql=con.createStatement();
			   }catch(SQLException e){}
		   }else{
			   synchronized(con){
				   try{
					   sql=con.createStatement();
				   }catch(SQLException e){}
			   }
		   }
	}
	public Statement getSql(){
		return sql;
	}
	public Connection getCon(){
		return con;
	}
}