sortcondb.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 SortConDB {
    private Connection con;
    private Statement st;
    private ResultSet rs;
    private PreparedStatement pst;
    public SortConDB() {
        //**************************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");
        }
    }

    //**************************添加图书类别************************************
     public boolean AddSort(String Sort) {
         boolean Success = true;
         try {
             String strSQL = "insert Sort values ( '" + Sort + "')";
             pst = con.prepareStatement(strSQL);
             pst.executeUpdate();
             pst.close();
         } catch (SQLException ex) {
             Success = false;
         }
         return Success;
     }

    //**************************查询所有图书类别******************************
     public Vector SearchAll() {
         Vector vt = new Vector();
         try {
             String str = "select * from Sort";
             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;
     }

    //************************查询图书类别**************************************
     public Vector SearchSort(String Sort) {
         Vector vt = new Vector();
         try {
             String str = "select * from Sort where SortName like '%" +
                          Sort + "%'";
             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;
     }

    //*****************************更新图书类别*********************************
     public boolean UpdateSort(int Id, String SortName) {
         boolean Success = true;
         try {
             String strSQL = "update Sort set SortName = '" + SortName +
                             "' where Id = " + Id;
             pst = con.prepareStatement(strSQL);
             pst.executeUpdate();
             pst.close();
         } catch (SQLException ex) {
             Success = false;
         }
         return Success;
     }

    //****************************删除图书类别**********************************
     public void DeleteSort(int Id) {
         try {
             String strSQL = "delete from Sort where Id = " + Id;
             pst = con.prepareStatement(strSQL);
             pst.executeUpdate();
             pst.close();
         } catch (SQLException ex) {
         }
     }

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