advice.java~21~

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~21~ 代码 · 共 174 行

package dao;

import java.util.*;

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

public class Advice implements AdviceDao {
    EidetSql eidetSql = null;
    public Advice() {
        eidetSql = new EidetSql();
    }

    /*******************************************
     * method name:count
     * method function :统计反馈意见有多少条记录
     * return type:void
     * datetime : 2007-09-17
     *******************************************/

    public int count(AdviceForm ad) {
        Connection con = null;
        Statement st = null;
        ResultSet rs = null;
        Conn cn = new Conn();
        int row = 0;
        SQLCode sqlCode = new SQLCode();
        String sql = sqlCode.getSQLCode("sql.advice.count");
        sql = eidetSql.editSqlInt(sql, ad.getHotel());
        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("反馈意见countSql:" + ex.getMessage());
        } catch (ClassNotFoundException ex) {
            System.out.println("反馈意见类加载:" + ex.getMessage());
        }
        return row;
    }

    /*******************************************
     * method name:delete
     * method function :删除信息
     * return type:int
     * datetime : 2007-09-17
     *******************************************/
    public int delete(AdviceForm ad) {
        Connection con = null;
        Statement st = null;
        Conn cn = new Conn();
        int row = 0;
        SQLCode sqlCode = new SQLCode();
        String sql = sqlCode.getSQLCode("sql.advice.delete");
        sql = eidetSql.editSqlInt(sql, ad.getId());
        try {
            con = cn.getConnection();
            st = con.createStatement();
            row = st.executeUpdate(sql);
            st.close();
            con.close();
        } catch (SQLException ex) {
            System.out.println("反馈意见deleteSql:" + ex.getMessage());
        } catch (ClassNotFoundException ex) {
            System.out.println("反馈意见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(AdviceForm ad) {
        Connection con = null;
        Statement st = null;
        Conn cn = new Conn();
        DateTime time = new DateTime();
        int row = 0;
        SQLCode sqlCode = new SQLCode();
        String sql = sqlCode.getSQLCode("sql.advice.insert");
        sql = eidetSql.editSqlInt(sql, ad.getOid());
        sql = eidetSql.editSqlStr(sql, ad.getContent());
        sql = eidetSql.editSqlStr(sql, time.getYMD());
        sql = eidetSql.editSqlInt(sql, ad.getHotel());
        sql = eidetSql.editSqlStr(sql, ad.getContentment());
        try {
            con = cn.getConnection();
            st = con.createStatement();
            row = st.executeUpdate(sql);
            st.close();
            con.close();
        } catch (SQLException ex) {
            System.out.println("反馈意见insertSql:" + ex.getMessage());
        } catch (ClassNotFoundException ex) {
            System.out.println("反馈意见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(AdviceForm ad, int page) {
        Connection con = null;
        Statement st = null;
        ResultSet rs = null;
        Conn cn = new Conn();
        Collection list = new ArrayList();
        SQLCode sqlCode = new SQLCode();
        String sql = sqlCode.getSQLCode("sql.advice.select");
        sql = eidetSql.editSqlInt(sql, ad.getHotel());
        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++) {
                ad = new AdviceForm();
                ad.setId(rs.getInt(1));
                ad.setOid(rs.getInt(2));
                ad.setContent(rs.getString(3));
                ad.setTime(rs.getString(4));
                ad.setHotel(rs.getInt(5));
                ad.setContentment(rs.getString(6));
                ad.setUid(rs.getString(7));
                ad.setUserName(rs.getString(8));
                list.add(ad);
            }
            rs.close();
            st.close();
            con.close();
        } catch (SQLException ex) {
            System.out.println("反馈意见insertSql:" + ex.getMessage());
        } catch (ClassNotFoundException ex) {
            System.out.println("反馈意见类insert加载:" + ex.getMessage());
        }
        return list;
    }
}