publishcondb.java

用java实现的一个应用程序,源码非常完整,可以直接运行

package 毕业设计;
import java.sql.*;
import javax.swing.JOptionPane;
import java.util.Vector;
public class PublishConDB {
    private Connection con;
    private Statement st;
    private ResultSet rs;
    private PreparedStatement pst;
    public PublishConDB() {
        //***********************连接数据库*******************************
         try {
             Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
         } catch (ClassNotFoundException ex) {
             System.out.println("Driver 出错");
         }
        try {
            String url = "jdbc:odbc:chenhaiLibrary";
            con = DriverManager.getConnection(url);
            st = con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,
                                     ResultSet.CONCUR_UPDATABLE);
        } catch (SQLException ex1) {
            System.out.println("lib 出错");
        }
    }

    //*************************添加图书出版社*************************************
     public boolean AddPublish(String Publish) {
         boolean Success = true;
         try {
             String strSQL = "insert Publish values ('" + Publish + "')";
             pst = con.prepareStatement(strSQL);
             pst.executeUpdate();
             pst.close();
         } catch (SQLException ex) {
             Success = false;
         }
         return Success;
     }

    //***************************查询所有图书出版社*****************************
     public Vector SearchAll() {
         Vector vt = new Vector();
         try {
             String str = "select * from Publish";
             rs = st.executeQuery(str);
             while (rs.next()) {
                 Vector temp = new Vector();
                 temp.add(rs.getString(1));
                 temp.add(rs.getString(2));
                 vt.add(temp);
             }
             rs.close();
         } catch (SQLException ex) {
         }
         return vt;
     }

    //**************************查询图书出版社************************************
     public Vector SearchPublish(String Publish) {
         Vector vt = new Vector();
         try {
             String str = "select * from Publish where PublishName like '%" +
                          Publish + "%'";
             rs = st.executeQuery(str);
             while (rs.next()) {
                 Vector temp = new Vector();
                 temp.add(rs.getString(1));
                 temp.add(rs.getString(2));
                 vt.add(temp);
             }
             rs.close();
         } catch (SQLException ex) {
         }
         return vt;
     }

    //****************************更新图书出版社**********************************
     public boolean UpdatePublish(int Id, String PublishName) {
         boolean Success = true;
         try {
             String strSQL = "update Publish set PublishName = '" + PublishName +
                             "' where Id = " + Id;
             pst = con.prepareStatement(strSQL);
             pst.executeUpdate();
             pst.close();
         } catch (SQLException ex) {
             Success = false;
         }
         return Success;
     }

    //***************************删除图书出版社***********************************
     public void DeletePublish(int Id) {
         try {
             String strSQL = "delete from Publish where Id = " + Id;
             pst = con.prepareStatement(strSQL);
             pst.executeUpdate();
             pst.close();
         } catch (SQLException ex) {
         }
     }

    //**************************关闭数据库************************************
     public void ClosePublishDB() {
         try {
             st.close();
             con.close();
         } catch (SQLException ex) {
         }
     }
}