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492 lines
13 KiB
492 lines
13 KiB
package com.bean;
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/**
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* 新闻管理
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*
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*/
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import java.io.File;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.text.SimpleDateFormat;
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import java.util.ArrayList;
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import java.util.Calendar;
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import java.util.List;
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import com.util.Constant;
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import com.util.DBO;
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public class NewsBean {
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private String date=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(Calendar.getInstance().getTime());
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private List list;
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private ResultSet rs = null;
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//不置顶新闻分页
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private int EVERYPAGENUM = 2;
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private int count = -1;
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private int qq = 0;
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private String sql="select count(*) from news where up='0' ";
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private String sql2="select * from news where up='0' order by id desc ";
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private String sql3="select count(*) from news where up='1' ";
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private String sql4="select * from news where up='1' order by id desc ";
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public void setEVERYPAGENUM(int EVERYPAGENUM){
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this.EVERYPAGENUM=EVERYPAGENUM;
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}
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public int getMessageCount() { //得到信息总数
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DBO dbo=new DBO();
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dbo.open();
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try {
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rs = dbo.executeQuery(sql);
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rs.next();
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count = rs.getInt(1);
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return count;
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} catch (SQLException ex) {
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ex.printStackTrace();
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return -1;
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} finally {
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dbo.close();
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}
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}
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public int getPageCount() { //得到共多少页（根据每页要显示几条信息）
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if (count % EVERYPAGENUM == 0) {
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return count / EVERYPAGENUM;
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} else {
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return count / EVERYPAGENUM + 1;
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}
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}
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public List getMessage(int page) { //得到每页要显示的信息
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DBO dbo=new DBO();
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dbo.open();
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List list = new ArrayList();
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try {
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rs = dbo.executeQuery(sql2);
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for (int i = 0; i < (page - 1) * EVERYPAGENUM; i++) {
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rs.next();
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}
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for (int t = 0; t < EVERYPAGENUM; t++) {
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if (rs.next()) {
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qq++;
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List list2=new ArrayList();
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list2.add(rs.getInt(1));
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list2.add(rs.getString(2));
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list2.add(rs.getString(3));
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list2.add(rs.getString(5));
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list2.add(rs.getString(6));
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list2.add(rs.getInt(7));
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list2.add(rs.getInt(8));
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list2.add(rs.getInt(9));
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list.add(list2);
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} else {
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break; //减少空循环的时间
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}
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}
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return list;
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} catch (SQLException ex) {
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ex.printStackTrace();
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return list;
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} finally {
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dbo.close();
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}
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}
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/////////////////////////////////////////
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//置顶新闻分页
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public int getMessageCountUp() { //得到信息总数
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DBO dbo=new DBO();
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dbo.open();
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try {
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rs = dbo.executeQuery(sql3);
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rs.next();
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count = rs.getInt(1);
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return count;
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} catch (SQLException ex) {
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ex.printStackTrace();
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return -1;
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} finally {
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dbo.close();
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}
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}
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public List getMessageUp(int page) { //得到每页要显示的信息
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DBO dbo=new DBO();
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dbo.open();
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List list = new ArrayList();
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try {
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rs = dbo.executeQuery(sql4);
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for (int i = 0; i < (page - 1) * EVERYPAGENUM; i++) {
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rs.next();
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}
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for (int t = 0; t < EVERYPAGENUM; t++) {
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if (rs.next()) {
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qq++;
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List list2=new ArrayList();
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list2.add(rs.getInt(1));
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list2.add(rs.getString(2));
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list2.add(rs.getString(3));
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list2.add(rs.getString(5));
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list2.add(rs.getString(6));
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list2.add(rs.getInt(7));
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list2.add(rs.getInt(8));
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list2.add(rs.getInt(9));
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list.add(list2);
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} else {
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break; //减少空循环的时间
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}
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}
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return list;
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} catch (SQLException ex) {
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ex.printStackTrace();
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return list;
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} finally {
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dbo.close();
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}
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}
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//add news
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public int addNews(String title,String pic,String content,String adder,String ifhide){
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String sql = "insert into news (title,pic,content,addtime,adder,ifhide,visit,up) " +
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"values ('"+title+"','"+pic+"','"+content+"','"+date+"','"+adder+"','"+ifhide+"','0','0')";
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String sql2 = "update news set ifhide='0' where pic!='无'";
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DBO dbo = new DBO();
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dbo.open();
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try{
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if(!pic.equals("无")){
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dbo.executeUpdate(sql2);
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}
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int i = dbo.executeUpdate(sql);
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if(i == 1){
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return Constant.SUCCESS;
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}
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else{
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return Constant.SYSTEM_ERROR;
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}
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}catch(Exception e){
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e.printStackTrace();
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return Constant.SYSTEM_ERROR;
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}finally{
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dbo.close();
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}
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}
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//update news no pic
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public int updateNews(int id,String title,String content,String adder,String ifhide){
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String sql = "update news set title = '"+title+"',content='"+content+"',addtime='"+date+"'," +
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"adder='"+adder+"',ifhide='"+ifhide+"' where id = '"+id+"' ";
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DBO dbo = new DBO();
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dbo.open();
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try{
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int i = dbo.executeUpdate(sql);
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if(i == 1){
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return Constant.SUCCESS;
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}
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else{
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return Constant.SYSTEM_ERROR;
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}
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}catch(Exception e){
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e.printStackTrace();
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return Constant.SYSTEM_ERROR;
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}finally{
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dbo.close();
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}
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}
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// update news with pic
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public int updateNewsWithPic(int id,String title,String pic,String content,String adder,String ifhide){
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String sql = "update news set title = '"+title+"',pic='"+pic+"',content='"+content+"',addtime='"+date+"'," +
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"adder='"+adder+"',ifhide='"+ifhide+"' where id = '"+id+"' ";
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DBO dbo = new DBO();
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dbo.open();
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try{
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int i = dbo.executeUpdate(sql);
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if(i == 1){
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return Constant.SUCCESS;
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}
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else{
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return Constant.SYSTEM_ERROR;
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}
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}catch(Exception e){
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e.printStackTrace();
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return Constant.SYSTEM_ERROR;
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}finally{
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dbo.close();
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}
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}
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//delete news
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public int delNews(int id[]){
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DBO dbo = new DBO();
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dbo.open();
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try{
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for(int i = 0;i<id.length;i++){
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dbo.executeUpdate("delete from news where id = '"+id[i]+"'");
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}
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return Constant.SUCCESS;
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}catch(Exception e){
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e.printStackTrace();
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return Constant.SYSTEM_ERROR;
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}finally{
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dbo.close();
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}
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}
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public void del(String filepath) {
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try{
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File f = new File(filepath);//定义文件路径
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if(f.exists()){//判断是文件还是目录
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f.delete();//递归调用
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}
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}catch(Exception e){
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}
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}
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//屏蔽、显示新闻
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public int hideNews(int id){
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String sql = "update news set ifhide='1' where id='"+id+"'";
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String sql2 = "update news set ifhide='0' where id='"+id+"'";
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String sql3 = "select ifhide,pic from news where id='"+id+"'";
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DBO dbo = new DBO();
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dbo.open();
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try{
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rs = dbo.executeQuery(sql3);
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rs.next();
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int i = rs.getInt(1);
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String pic=rs.getString(2);
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if(!pic.trim().equals("无")){
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dbo.executeUpdate("update news set ifhide='0' where pic!='无'");
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}
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if(i == 1){
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int flag = dbo.executeUpdate(sql2);
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if(flag == 1)
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return Constant.SUCCESS;
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else
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return Constant.SYSTEM_ERROR;
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}
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else{
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int flag = dbo.executeUpdate(sql);
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if(flag == 1)
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return Constant.SUCCESS;
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else
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return Constant.SYSTEM_ERROR;
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}
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}catch(Exception e){
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e.printStackTrace();
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return Constant.SYSTEM_ERROR;
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}finally{
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dbo.close();
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}
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}
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//置顶 取消置顶 新闻
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public int upNews(int id){
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String sql = "update news set up='1' where id='"+id+"'";
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String sql2 = "update news set up='0' where id='"+id+"'";
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String sql3 = "select up from news where id='"+id+"'";
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DBO dbo = new DBO();
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dbo.open();
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try{
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rs = dbo.executeQuery(sql3);
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rs.next();
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int i = rs.getInt(1);
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if(i == 1){
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int flag = dbo.executeUpdate(sql2);
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if(flag == 1)
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return Constant.SUCCESS;
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else
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return Constant.SYSTEM_ERROR;
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}
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else{
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int flag = dbo.executeUpdate(sql);
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if(flag == 1)
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return Constant.SUCCESS;
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else
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return Constant.SYSTEM_ERROR;
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}
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}catch(Exception e){
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e.printStackTrace();
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return Constant.SYSTEM_ERROR;
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}finally{
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dbo.close();
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}
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}
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//get one news to update
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public List getOneNews(int id){
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String sql = "select * from news where id = '"+id+"'";
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DBO dbo = new DBO();
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list = new ArrayList();
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dbo.open();
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try{
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rs = dbo.executeQuery(sql);
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while(rs.next()){
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list.add(rs.getString(1));//0id
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list.add(rs.getString(2));//1title
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list.add(rs.getString(3));//2pic
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list.add(rs.getString(4));//3content
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list.add(rs.getString(5));//5adder
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list.add(rs.getString(6));//6ifhide
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list.add(rs.getString(7));//7visit
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}
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return list;
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}catch(Exception e){
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e.printStackTrace();
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return list;
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}finally{
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dbo.close();
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}
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}
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//get news count
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public int getNewsCount(){
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String sql = "select count (*) from news ";
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DBO dbo = new DBO();
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dbo.open();
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try{
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rs = dbo.executeQuery(sql);
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if(rs.next()){
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return rs.getInt(1);
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}
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else{
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return 0;
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}
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}catch(Exception e){
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e.printStackTrace();
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return 0;
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}finally{
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dbo.close();
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}
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}
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//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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//前台新闻页新闻列表
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public List getAllNews(){
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String sql = "select id,title,addtime from news order by id desc ";
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DBO dbo = new DBO();
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list = new ArrayList();
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dbo.open();
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try{
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rs = dbo.executeQuery(sql);
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while(rs.next()){
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List list2 = new ArrayList();
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list2.add(rs.getString("id"));
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list2.add(rs.getString("title"));
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list2.add(rs.getString("addtime"));
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list.add(list2);
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}
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return list;
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}catch(Exception e){
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e.printStackTrace();
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return list;
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}finally{
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dbo.close();
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}
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}
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//
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// 更新点击率
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public int upVisit(int id){
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DBO dbo = new DBO();
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dbo.open();
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try{
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int i = dbo.executeUpdate("update news set visit=visit+1 where id = '"+id+"'");
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if(i==1){
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return Constant.SUCCESS;
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}
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else{
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return Constant.SYSTEM_ERROR;
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}
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}catch(Exception e){
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e.printStackTrace();
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return Constant.SYSTEM_ERROR;
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}finally{
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dbo.close();
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}
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}
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//
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public int exeUp(String sql){
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DBO dbo=new DBO();
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dbo.open();
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try{
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int i=dbo.executeUpdate(sql);
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if(i==1)return 1;
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else return 0;
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}catch(Exception e){
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e.printStackTrace();
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return 0;
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}
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}
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///////////////////////////////////////////////////////////////////////////
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public int getMessageCountAAA(String sql) { //得到信息总数
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DBO dbo=new DBO();
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dbo.open();
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try {
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rs = dbo.executeQuery(sql);
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rs.next();
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count = rs.getInt(1);
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return count;
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} catch (SQLException ex) {
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ex.printStackTrace();
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return -1;
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} finally {
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dbo.close();
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}
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}
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public List getMessageAAA(int page,String sql) { //得到每页要显示的信息
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DBO dbo=new DBO();
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dbo.open();
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List list = new ArrayList();
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try {
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rs = dbo.executeQuery(sql);
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for (int i = 0; i < (page - 1) * EVERYPAGENUM; i++) {
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rs.next();
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}
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for (int t = 0; t < EVERYPAGENUM; t++) {
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if (rs.next()) {
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qq++;
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List list2=new ArrayList();
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list2.add(rs.getString(1));
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list2.add(rs.getString(2));
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list2.add(rs.getString(3));
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list2.add(rs.getString(4));
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list2.add(rs.getString(5));
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list2.add(rs.getString(6));
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list2.add(rs.getString(7));
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list.add(list2);
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} else {
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break; //减少空循环的时间
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}
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}
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return list;
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} catch (SQLException ex) {
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ex.printStackTrace();
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return list;
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} finally {
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dbo.close();
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}
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}
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public List get1ComList(String sql){
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DBO dbo=new DBO();
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dbo.open();
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List list = new ArrayList();
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try {
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rs = dbo.executeQuery(sql);
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while(rs.next()) {
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List list2=new ArrayList();
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list2.add(rs.getString(1));
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list2.add(rs.getString(2));
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list2.add(rs.getString(3));
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list2.add(rs.getString(4));
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list2.add(rs.getString(5));
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list2.add(rs.getString(6));
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list2.add(rs.getString(7));
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list.add(list2);
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}
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return list;
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} catch (SQLException ex) {
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ex.printStackTrace();
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return list;
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} finally {
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dbo.close();
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}
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}
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}
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