msdb.java

本程序是专门用于从网页上自动收集cmi,cnki上的被引文献的数据

package cn.ac.cintcm.spider;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;

public class MSDb {
	private String fileName;
	
	public MSDb(String fileName) {
		this.fileName = fileName;
	}
	
	public Connection getConnection() throws ClassNotFoundException, SQLException {
	    Connection con;
	    Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
	    // set this to a MS Access DB you have on your machine
	    StringBuilder url = new StringBuilder("jdbc:odbc:DRIVER={Microsoft Access Driver (*.mdb)};DBQ=");
	    url.append(System.getProperty("user.dir"));
	    url.append("\\");
	    url.append(fileName);
	    // now we can get the connection from the DriverManager
	    con = (Connection) DriverManager.getConnection(url.toString() ,"","");
	    return con;
	}
	
	public void createTable(String sql)
	{
	    try
	    {
	        Statement stmt = getConnection().createStatement();   
		    stmt.executeUpdate(sql);
		    stmt.close();
	    }
	    catch (SQLException ex)
	    {
	        handleSqlException(ex);
	    } catch (ClassNotFoundException e) {
			e.printStackTrace();
		}	    
	}
	
	public static void handleSqlException(SQLException ex)
	{
		System.out.println("\n--- SQLException caught ---\n");
		while (ex != null)
		{
			System.out.println("Message:   " + ex.getMessage());
			System.out.println("SQLState:  " + ex.getSQLState());
			System.out.println("ErrorCode: " + ex.getErrorCode());
			ex = ex.getNextException();
			System.out.println("");
		}
	}

}