hotelnotice.java~31~

来自「用户的注册 用户的登陆 发布用户的相关信息 浏览网站介绍的其他酒店的」· JAVA~31~ 代码 · 共 206 行

package dao;

import java.util.*;

import domain.*;
import java.sql.Statement;
import java.sql.ResultSet;
import tool.Conn;
import tool.SQLCode;
import java.sql.Connection;
import java.sql.SQLException;
import tool.EidetSql;
import tool.DateTime;

public class HotelNotice implements HotelNoticeDao {
    EidetSql eidetSql = null;
    public HotelNotice() {
        eidetSql = new EidetSql();
    }


    /*******************************************
     * method name:count
     * method function :统计公告记录
     * return type:int
     * datetime : 2007-09-17
     *******************************************/

    public int count(HotelNoticeForm hr) {
        Connection con = null;
        Statement st = null;
        ResultSet rs = null;
        Conn cn = new Conn();
        SQLCode sc = new SQLCode();
        String sql = sc.getSQLCode("sql.hotelNotice.count");
        sql = sql + "where hotelNotice_eid = " + hr.getEid();
        int row = 0;
        try {
            con = cn.getConnection();
            st = con.createStatement();
            rs = st.executeQuery(sql);
            if (rs.next()) {
                row = rs.getInt(1);
            }
            rs.close();
            st.close();
            con.close();
        } catch (SQLException ex) {
            System.out.println("企业公告表countsql:" + ex.getMessage());
        } catch (ClassNotFoundException ex) {
            System.out.println("企业公告表count类加载:" + ex.getMessage());
        }
        return row;
    }

    /*******************************************
     * method name:delete
     * method function :删除数据
     * return type:int
     * datetime : 2007-09-17
     *******************************************/
    public int delete(HotelNoticeForm hn) {
        Connection con = null;
        Statement st = null;
        Conn cn = new Conn();
        SQLCode sc = new SQLCode();
        String sql = sc.getSQLCode("sql.hotelNotice.delete");
        sql = eidetSql.editSqlInt(sql, hn.getId());
        int row = 0;
        try {
            con = cn.getConnection();
            st = con.createStatement();
            row = st.executeUpdate(sql);
            st.close();
            con.close();
        } catch (SQLException ex) {
            System.out.println("企业公告表deletesql:" + ex.getMessage());
        } catch (ClassNotFoundException ex) {
            System.out.println("企业公告表delete类加载:" + ex.getMessage());
        }
        return row;
    }


    /*******************************************
     * method name:insert
     * method function :插入数据
     * return type:int
     * datetime : 2007-09-17
     *******************************************/
    public int insert(HotelNoticeForm hn) {
        Connection con = null;
        Statement st = null;
        Conn cn = new Conn();
        SQLCode sc = new SQLCode();
        DateTime dateTime = new DateTime();
        String sql = sc.getSQLCode("sql.hotelNotice.insert");
        sql = eidetSql.editSqlInt(sql, hn.getEid());
        sql = eidetSql.editSqlStr(sql, hn.getTitle());
        sql = eidetSql.editSqlStr(sql, hn.getContent());
        sql = eidetSql.editSqlStr(sql, dateTime.getYMD());
        int row = 0;
        try {
            con = cn.getConnection();
            st = con.createStatement();
            row = st.executeUpdate(sql);
            st.close();
            con.close();
        } catch (SQLException ex) {
            System.out.println("企业公告表insertsql:" + ex.getMessage());
        } catch (ClassNotFoundException ex) {
            System.out.println("企业公告表insert类加载:" + ex.getMessage());
        }
        return row;
    }

    /*******************************************
     * method name:select
     * method function :查询数据
     * return type:Collection
     * datetime : 2007-09-17
     *******************************************/

    public Collection select(HotelNoticeForm hn, int page) {
        Connection con = null;
        Statement st = null;
        ResultSet rs = null;
        Conn cn = new Conn();
        SQLCode sc = new SQLCode();
        Collection list = new ArrayList();
        String sql = sc.getSQLCode("sql.hotelNotice.select");
        sql = sql + "and hotelNotice_eid = " + hn.getEid();
        try {
            con = cn.getConnection();
            st = con.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,
                                     ResultSet.CONCUR_READ_ONLY);
            rs = st.executeQuery(sql);
            int tip = 8 * (page - 1);
            try {
                if (tip <= 0) {
                    rs.beforeFirst();
                } else {
                    if (!rs.absolute(tip)) {
                        rs.beforeFirst();
                    }
                }
            } catch (SQLException ex1) {
                System.out.println("tip" + ex1.getMessage());
            }
            for (int i = 1; rs.next() && i <= 8; i++) {
                hn = new HotelNoticeForm();
                hn.setId(rs.getInt(1));
                hn.setEid(rs.getInt(2));
                hn.setTitle(rs.getString(3));
                hn.setContent(rs.getString(4));
                hn.setTime(rs.getString(5));
                list.add(hn);
            }
            if (rs != null) {
                rs.close();
            }
            if (st != null) {
                st.close();
            }
            if (con != null) {
                con.close();
            }
        } catch (SQLException ex) {
            System.out.println("企业公告表Selectsql:" + ex.getMessage());
        } catch (ClassNotFoundException ex) {
            System.out.println("企业公告表Select类加载:" + ex.getMessage());
        }
        return list;
    }

    /*******************************************
     * method name:update
     * method function :更新数据
     * return type:int
     * datetime : 2007-09-17
     *******************************************/
    public int update(HotelNoticeForm hn) {
        Connection con = null;
        Statement st = null;
        Conn cn = new Conn();
        SQLCode sc = new SQLCode();
        String sql = sc.getSQLCode("sql.hotelNotice.update");
        sql = eidetSql.editSqlStr(sql, hn.getTitle());
        sql = eidetSql.editSqlStr(sql, hn.getContent());
        sql = eidetSql.editSqlInt(sql, hn.getEid());
        int row = 0;
        try {
            con = cn.getConnection();
            st = con.createStatement();
            row = st.executeUpdate(sql);
            st.close();
            con.close();
        } catch (SQLException ex) {
            System.out.println("企业公告表updatesql:" + ex.getMessage());
        } catch (ClassNotFoundException ex) {
            System.out.println("企业公告表update类加载:" + ex.getMessage());
        }
        return row;
    }
}