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restaurant/com/bean/NewsBean.java

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王馨苑第一次上传
1 year ago
package com.bean;
/**
* <EFBFBD><EFBFBD><EFBFBD>Ź<EFBFBD><EFBFBD><EFBFBD>
*
*/
import java.io.File;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;
import com.util.Constant;
import com.util.DBO;
public class NewsBean {
private String date=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(Calendar.getInstance().getTime());
private List list;
private ResultSet rs = null;
//<2F><><EFBFBD>ö<EFBFBD><C3B6><EFBFBD><EFBFBD>ŷ<EFBFBD>ҳ
private int EVERYPAGENUM = 2;
private int count = -1;
private int qq = 0;
private String sql="select count(*) from news where up='0' ";
private String sql2="select * from news where up='0' order by id desc ";
private String sql3="select count(*) from news where up='1' ";
private String sql4="select * from news where up='1' order by id desc ";
public void setEVERYPAGENUM(int EVERYPAGENUM){
this.EVERYPAGENUM=EVERYPAGENUM;
}
public int getMessageCount() { //<2F>õ<EFBFBD><C3B5><EFBFBD>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD>
DBO dbo=new DBO();
dbo.open();
try {
rs = dbo.executeQuery(sql);
rs.next();
count = rs.getInt(1);
return count;
} catch (SQLException ex) {
ex.printStackTrace();
return -1;
} finally {
dbo.close();
}
}
public int getPageCount() { //<2F>õ<EFBFBD><C3B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҳ<EFBFBD><D2B3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ÿҳҪ<D2B3><D2AA>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><CFA2>
if (count % EVERYPAGENUM == 0) {
return count / EVERYPAGENUM;
} else {
return count / EVERYPAGENUM + 1;
}
}
public List getMessage(int page) { //<2F>õ<EFBFBD>ÿҳҪ<D2B3><D2AA>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD>Ϣ
DBO dbo=new DBO();
dbo.open();
List list = new ArrayList();
try {
rs = dbo.executeQuery(sql2);
for (int i = 0; i < (page - 1) * EVERYPAGENUM; i++) {
rs.next();
}
for (int t = 0; t < EVERYPAGENUM; t++) {
if (rs.next()) {
qq++;
List list2=new ArrayList();
list2.add(rs.getInt(1));
list2.add(rs.getString(2));
list2.add(rs.getString(3));
list2.add(rs.getString(5));
list2.add(rs.getString(6));
list2.add(rs.getInt(7));
list2.add(rs.getInt(8));
list2.add(rs.getInt(9));
list.add(list2);
} else {
break; //<2F><><EFBFBD>ٿ<EFBFBD>ѭ<EFBFBD><D1AD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>
}
}
return list;
} catch (SQLException ex) {
ex.printStackTrace();
return list;
} finally {
dbo.close();
}
}
/////////////////////////////////////////
//<2F>ö<EFBFBD><C3B6><EFBFBD><EFBFBD>ŷ<EFBFBD>ҳ
public int getMessageCountUp() { //<2F>õ<EFBFBD><C3B5><EFBFBD>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD>
DBO dbo=new DBO();
dbo.open();
try {
rs = dbo.executeQuery(sql3);
rs.next();
count = rs.getInt(1);
return count;
} catch (SQLException ex) {
ex.printStackTrace();
return -1;
} finally {
dbo.close();
}
}
public List getMessageUp(int page) { //<2F>õ<EFBFBD>ÿҳҪ<D2B3><D2AA>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD>Ϣ
DBO dbo=new DBO();
dbo.open();
List list = new ArrayList();
try {
rs = dbo.executeQuery(sql4);
for (int i = 0; i < (page - 1) * EVERYPAGENUM; i++) {
rs.next();
}
for (int t = 0; t < EVERYPAGENUM; t++) {
if (rs.next()) {
qq++;
List list2=new ArrayList();
list2.add(rs.getInt(1));
list2.add(rs.getString(2));
list2.add(rs.getString(3));
list2.add(rs.getString(5));
list2.add(rs.getString(6));
list2.add(rs.getInt(7));
list2.add(rs.getInt(8));
list2.add(rs.getInt(9));
list.add(list2);
} else {
break; //<2F><><EFBFBD>ٿ<EFBFBD>ѭ<EFBFBD><D1AD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>
}
}
return list;
} catch (SQLException ex) {
ex.printStackTrace();
return list;
} finally {
dbo.close();
}
}
//add news
public int addNews(String title,String pic,String content,String adder,String ifhide){
String sql = "insert into news (title,pic,content,addtime,adder,ifhide,visit,up) " +
"values ('"+title+"','"+pic+"','"+content+"','"+date+"','"+adder+"','"+ifhide+"','0','0')";
String sql2 = "update news set ifhide='0' where pic!='<27><>'";
DBO dbo = new DBO();
dbo.open();
try{
if(!pic.equals("<22><>")){
dbo.executeUpdate(sql2);
}
int i = dbo.executeUpdate(sql);
if(i == 1){
return Constant.SUCCESS;
}
else{
return Constant.SYSTEM_ERROR;
}
}catch(Exception e){
e.printStackTrace();
return Constant.SYSTEM_ERROR;
}finally{
dbo.close();
}
}
//update news no pic
public int updateNews(int id,String title,String content,String adder,String ifhide){
String sql = "update news set title = '"+title+"',content='"+content+"',addtime='"+date+"'," +
"adder='"+adder+"',ifhide='"+ifhide+"' where id = '"+id+"' ";
DBO dbo = new DBO();
dbo.open();
try{
int i = dbo.executeUpdate(sql);
if(i == 1){
return Constant.SUCCESS;
}
else{
return Constant.SYSTEM_ERROR;
}
}catch(Exception e){
e.printStackTrace();
return Constant.SYSTEM_ERROR;
}finally{
dbo.close();
}
}
// update news with pic
public int updateNewsWithPic(int id,String title,String pic,String content,String adder,String ifhide){
String sql = "update news set title = '"+title+"',pic='"+pic+"',content='"+content+"',addtime='"+date+"'," +
"adder='"+adder+"',ifhide='"+ifhide+"' where id = '"+id+"' ";
DBO dbo = new DBO();
dbo.open();
try{
int i = dbo.executeUpdate(sql);
if(i == 1){
return Constant.SUCCESS;
}
else{
return Constant.SYSTEM_ERROR;
}
}catch(Exception e){
e.printStackTrace();
return Constant.SYSTEM_ERROR;
}finally{
dbo.close();
}
}
//delete news
public int delNews(int id[]){
DBO dbo = new DBO();
dbo.open();
try{
for(int i = 0;i<id.length;i++){
dbo.executeUpdate("delete from news where id = '"+id[i]+"'");
}
return Constant.SUCCESS;
}catch(Exception e){
e.printStackTrace();
return Constant.SYSTEM_ERROR;
}finally{
dbo.close();
}
}
public void del(String filepath) {
try{
File f = new File(filepath);//<2F><><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>·<EFBFBD><C2B7>
if(f.exists()){//<2F>ж<EFBFBD><D0B6><EFBFBD><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD>Ŀ¼
f.delete();//<2F>ݹ<EFBFBD><DDB9><EFBFBD><EFBFBD><EFBFBD>
}
}catch(Exception e){
}
}
//<2F><><EFBFBD>Ρ<EFBFBD><CEA1><EFBFBD>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD>
public int hideNews(int id){
String sql = "update news set ifhide='1' where id='"+id+"'";
String sql2 = "update news set ifhide='0' where id='"+id+"'";
String sql3 = "select ifhide,pic from news where id='"+id+"'";
DBO dbo = new DBO();
dbo.open();
try{
rs = dbo.executeQuery(sql3);
rs.next();
int i = rs.getInt(1);
String pic=rs.getString(2);
if(!pic.trim().equals("<22><>")){
dbo.executeUpdate("update news set ifhide='0' where pic!='<27><>'");
}
if(i == 1){
int flag = dbo.executeUpdate(sql2);
if(flag == 1)
return Constant.SUCCESS;
else
return Constant.SYSTEM_ERROR;
}
else{
int flag = dbo.executeUpdate(sql);
if(flag == 1)
return Constant.SUCCESS;
else
return Constant.SYSTEM_ERROR;
}
}catch(Exception e){
e.printStackTrace();
return Constant.SYSTEM_ERROR;
}finally{
dbo.close();
}
}
//<2F>ö<EFBFBD> ȡ<><C8A1><EFBFBD>ö<EFBFBD> <20><><EFBFBD><EFBFBD>
public int upNews(int id){
String sql = "update news set up='1' where id='"+id+"'";
String sql2 = "update news set up='0' where id='"+id+"'";
String sql3 = "select up from news where id='"+id+"'";
DBO dbo = new DBO();
dbo.open();
try{
rs = dbo.executeQuery(sql3);
rs.next();
int i = rs.getInt(1);
if(i == 1){
int flag = dbo.executeUpdate(sql2);
if(flag == 1)
return Constant.SUCCESS;
else
return Constant.SYSTEM_ERROR;
}
else{
int flag = dbo.executeUpdate(sql);
if(flag == 1)
return Constant.SUCCESS;
else
return Constant.SYSTEM_ERROR;
}
}catch(Exception e){
e.printStackTrace();
return Constant.SYSTEM_ERROR;
}finally{
dbo.close();
}
}
//get one news to update
public List getOneNews(int id){
String sql = "select * from news where id = '"+id+"'";
DBO dbo = new DBO();
list = new ArrayList();
dbo.open();
try{
rs = dbo.executeQuery(sql);
while(rs.next()){
list.add(rs.getString(1));//0id
list.add(rs.getString(2));//1title
list.add(rs.getString(3));//2pic
list.add(rs.getString(4));//3content
list.add(rs.getString(5));//5adder
list.add(rs.getString(6));//6ifhide
list.add(rs.getString(7));//7visit
}
return list;
}catch(Exception e){
e.printStackTrace();
return list;
}finally{
dbo.close();
}
}
//get news count
public int getNewsCount(){
String sql = "select count (*) from news ";
DBO dbo = new DBO();
dbo.open();
try{
rs = dbo.executeQuery(sql);
if(rs.next()){
return rs.getInt(1);
}
else{
return 0;
}
}catch(Exception e){
e.printStackTrace();
return 0;
}finally{
dbo.close();
}
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//ǰ̨<C7B0><CCA8><EFBFBD><EFBFBD>ҳ<EFBFBD><D2B3><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD>
public List getAllNews(){
String sql = "select id,title,addtime from news order by id desc ";
DBO dbo = new DBO();
list = new ArrayList();
dbo.open();
try{
rs = dbo.executeQuery(sql);
while(rs.next()){
List list2 = new ArrayList();
list2.add(rs.getString("id"));
list2.add(rs.getString("title"));
list2.add(rs.getString("addtime"));
list.add(list2);
}
return list;
}catch(Exception e){
e.printStackTrace();
return list;
}finally{
dbo.close();
}
}
//
// <09><><EFBFBD>µ<EFBFBD><C2B5><EFBFBD><EFBFBD><EFBFBD>
public int upVisit(int id){
DBO dbo = new DBO();
dbo.open();
try{
int i = dbo.executeUpdate("update news set visit=visit+1 where id = '"+id+"'");
if(i==1){
return Constant.SUCCESS;
}
else{
return Constant.SYSTEM_ERROR;
}
}catch(Exception e){
e.printStackTrace();
return Constant.SYSTEM_ERROR;
}finally{
dbo.close();
}
}
//
public int exeUp(String sql){
DBO dbo=new DBO();
dbo.open();
try{
int i=dbo.executeUpdate(sql);
if(i==1)return 1;
else return 0;
}catch(Exception e){
e.printStackTrace();
return 0;
}
}
///////////////////////////////////////////////////////////////////////////
public int getMessageCountAAA(String sql) { //<2F>õ<EFBFBD><C3B5><EFBFBD>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD>
DBO dbo=new DBO();
dbo.open();
try {
rs = dbo.executeQuery(sql);
rs.next();
count = rs.getInt(1);
return count;
} catch (SQLException ex) {
ex.printStackTrace();
return -1;
} finally {
dbo.close();
}
}
public List getMessageAAA(int page,String sql) { //<2F>õ<EFBFBD>ÿҳҪ<D2B3><D2AA>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD>Ϣ
DBO dbo=new DBO();
dbo.open();
List list = new ArrayList();
try {
rs = dbo.executeQuery(sql);
for (int i = 0; i < (page - 1) * EVERYPAGENUM; i++) {
rs.next();
}
for (int t = 0; t < EVERYPAGENUM; t++) {
if (rs.next()) {
qq++;
List list2=new ArrayList();
list2.add(rs.getString(1));
list2.add(rs.getString(2));
list2.add(rs.getString(3));
list2.add(rs.getString(4));
list2.add(rs.getString(5));
list2.add(rs.getString(6));
list2.add(rs.getString(7));
list.add(list2);
} else {
break; //<2F><><EFBFBD>ٿ<EFBFBD>ѭ<EFBFBD><D1AD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>
}
}
return list;
} catch (SQLException ex) {
ex.printStackTrace();
return list;
} finally {
dbo.close();
}
}
public List get1ComList(String sql){
DBO dbo=new DBO();
dbo.open();
List list = new ArrayList();
try {
rs = dbo.executeQuery(sql);
while(rs.next()) {
List list2=new ArrayList();
list2.add(rs.getString(1));
list2.add(rs.getString(2));
list2.add(rs.getString(3));
list2.add(rs.getString(4));
list2.add(rs.getString(5));
list2.add(rs.getString(6));
list2.add(rs.getString(7));
list.add(list2);
}
return list;
} catch (SQLException ex) {
ex.printStackTrace();
return list;
} finally {
dbo.close();
}
}
}