database.java

程序切片原型系统

package njutgrid.util;
/**
 * <p>数据库连接专用包 </p>
 * <p>Copyright: njutgrid Copyright (c) 2004</p>
 * <p>Company:njct </p>
 * @by :grid
 * @version 1.0
 */
import java.sql.*;
public class DataBase {
  public Connection conn;
  public Statement stmt;
  public ResultSet rs=null;
  public String sqlStr="";

  public DataBase() {
    this.connect();
  }
 public boolean connect(){
      try{
        Class.forName("com.mysql.jdbc.Driver").newInstance();
        String url ="jdbc:mysql://localhost/njutgrid?user=root&password=800309&useUnicode=true&characterEncoding=8859_1";
        conn=DriverManager.getConnection(url);
        stmt = conn.createStatement ();
       }catch(Exception ee){
        System.out.println("connect db error:"+ee.getMessage());
        return false;
       }
      return true;
    }
 public static void main(String[] args) {
     try{
            DataBase db = new DataBase();
            db.connect();
          }catch(Exception e){
            e.printStackTrace();
          }
        }
}