articledao.java

功能是公安和学校的管理系统,用struts+hibernate+spring等匡架组成,在eclepse就能编译

package com.comingnet.bean;

import java.io.File;
import java.sql.Connection;

import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.Statement;
import java.sql.Timestamp;
import java.text.SimpleDateFormat;
import java.util.ArrayList;

import com.db.DBUtils;
import com.db.KeyGenerator;

public class ArticleDAO {
	private Article article;
	public ArticleDAO()
	{	
		article=new Article();
	}
	public Article getArticle() {
		return article;
	}
	public void setArticle(Article article) {
		this.article = article;
	}
	
	private String formatDate(Timestamp time){
		String formattedDate = "";
		if(time != null){
		    SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");   
		    formattedDate = formatter.format(time);
		}
	    return formattedDate;
	}
	
	public boolean addArticle(Article article){
		System.out.println("开始执行文章信息保存");
		boolean flag = false ;
		int count = 0 ;
		Connection conn=null;
		PreparedStatement stmt=null;
		ResultSet rs=null;
		int arlm1=article.getAr_lm1();
		int arlm2id=0;
		String arlm2=article.getAr_lm2();
		try
		{
			//保存插入公告的id，作为插入附件时的外键
		   int articleId = KeyGenerator.getInstance().getNextKey("w_article");
		   conn=DBUtils.getConnection();
		   stmt=conn.prepareStatement("select slmid from w_sublmb where slmmc='"+arlm2+"' and sjlmid="+arlm1);
		   rs=stmt.executeQuery();
		   while(rs.next())
		   {
			   arlm2id=rs.getInt(1);
		   }
		   System.out.println(arlm2id+"arlm2id");
		   DBUtils.closeResultSet(rs);
		   DBUtils.closeStatement(stmt);
		   stmt=conn.prepareStatement("insert into w_article(ar_id, ar_bt, ar_nr, ar_fbrzh, ar_fbrxm, ar_xxbh, ar_xxmc, ar_xszt,ar_userclass,ar_lm1,ar_lm2,ar_lm2id) values(?,?,?,?,?,?,?,?,?,?,?,?)");
		   stmt.setInt(1,articleId);
		   stmt.setString(2, article.getAr_bt());
		   stmt.setString(3, article.getAr_nr());
		   stmt.setString(4, article.getAr_fbrzh());
		   stmt.setString(5, article.getAr_fbrxm());
		   stmt.setInt(6, article.getAr_xxbh());
		   stmt.setString(7, article.getAr_xxmc());
//		   stmt.setDate(8, new java.sql.Date(new Date().getTime()));//发布日期由数据库默认值设置为当前时间
		   stmt.setString(8, article.getAr_xszt());
		   stmt.setString(9,article.getAr_userclass());
		   stmt.setInt(10, article.getAr_lm1());
		   stmt.setString(11, article.getAr_lm2());
		   stmt.setInt(12,arlm2id);
		   //stmt.setDate(12, new java.sql.Date(new java.util.Date().getTime()));
		   
		   stmt.executeUpdate();
		   DBUtils.closeStatement(stmt);
		   //添加附件表
		   ArrayList<ArticleAppFiles> files = article.getFiles() ;
		   if(files != null){
			  for(int i=0; i<files.size(); i++){
				 stmt = conn.prepareStatement("insert into w_article_appendix(aa_id, a_id, aa_oldname, aa_newname,aa_ms) values (?,?,?,?,?)");
				 stmt.setInt(1, KeyGenerator.getInstance().getNextKey("w_article_appendix"));
				 stmt.setInt(2, articleId);
				 stmt.setString(3,files.get(i).getOldFilename());
				 stmt.setString(4, files.get(i).getNewFilename());
				 stmt.setString(5, article.getAr_pic());
				 count=stmt.executeUpdate();
				 
				 DBUtils.closeStatement(stmt);
			  }
		   }		   
		}catch(Exception e)
		{
			System.out.println("NoticeDAO.addNotice-->"+e);
		}finally
		{
			DBUtils.closeStatement(stmt);
			DBUtils.closeConnection(conn);
		}
		if(count>0)
			flag = true ;
		return flag ;
	}
	
	//删除一个附件
	public boolean deleteFile(String webpath ,String filename){
		int count = 0 ;
		boolean flag = false ;
		File file = new  File(webpath+"notice\\uploadFile\\"+filename);
		if(file.exists()&&file.isFile()){
			file.delete() ;
		}

			//删除数据库纪录
			Connection conn=null;
			PreparedStatement stmt=null;
			try{				
				conn = DBUtils.getConnection();	
					stmt = conn.prepareStatement("delete w_article_appendix where aa_newname=?");
					stmt.setString(1, filename);
					count = stmt.executeUpdate();
					DBUtils.closeStatement(stmt);
			}
			catch(Exception e){
				System.out.println("ArticleDAO.deleteFile-->"+e);
				}
			finally{	
				DBUtils.closeStatement(stmt) ;
				DBUtils.closeConnection(conn);
			}
		if(count>0) flag = true ;
		return flag ;		
	}
	
	
	//删除所有的附件
	public boolean deleteAllFiles(String webpath, String[] files){
		int count = 0 ;
		boolean flag = false ;
		if(files != null){
			//删除文件
			for(int i=0; i<files.length; i++){
				File file = new File(webpath+"notice\\uploadFile\\"+files[i]);
				if(file.exists() && file.isFile()){
					file.delete();
				}
			}
			//删除数据库纪录
			Connection conn=null;
			PreparedStatement stmt=null;
			try{				
				conn = DBUtils.getConnection();	
				for(int i=0; i<files.length; i++){
					stmt = conn.prepareStatement("delete w_article_appendix where aa_newname=?");
					stmt.setString(1, files[i]);
					count = stmt.executeUpdate();
					DBUtils.closeStatement(stmt);
				}
			}
			catch(Exception e){
				System.out.println("ArticleDAO.deleFiles-->"+e);
				}
			finally{	
				DBUtils.closeStatement(stmt) ;
				DBUtils.closeConnection(conn);
			}
		}
		if(count>0) flag = true ;
		return flag ;
	}
	
	
	public boolean deleteArticle(int id,String webpath){
		boolean flag = false ;
		int count = 0 ;
		//查询附件表，并删除附件纪录
		Connection conn=null;
		PreparedStatement stmt=null;
		try
		{
		   conn=DBUtils.getConnection();
		   //删除文件
		   stmt=conn.prepareStatement("select aa_newname from w_article_appendix where a_id=?");
		   stmt.setInt(1, id);
		   ResultSet rs = null;
		   rs=stmt.executeQuery();
		   while(rs.next()){
			   String filename = rs.getString("aa_newname");
			   filename = webpath+"notice\\uploadFile\\"+filename;
			   File file = new File(filename);
				if(file.exists() && file.isFile()){
					file.delete();
				}
		   }
		   DBUtils.closeResultSet(rs);
		   DBUtils.closeStatement(stmt);
		   //删除附件表纪录
		   stmt = conn.prepareStatement("delete w_article_appendix where a_id=?");
		   stmt.setInt(1, id);
		   stmt.executeUpdate();
		   
		   DBUtils.closeStatement(stmt);
		   //删除公告表纪录
		   stmt = conn.prepareStatement("delete w_article where ar_id=?");
		   stmt.setInt(1, id);
		   count = stmt.executeUpdate();
		   DBUtils.closeStatement(stmt) ; 
		   }
		catch(Exception e)
		{
		   System.out.println("ArticleDAO.deleteNotice-->"+e);
		}
		finally
		{
		  DBUtils.closeStatement(stmt);
		  DBUtils.closeConnection(conn);
		}
		if (count>0) flag =true ;
		return  flag  ;
	}
	
	
	public boolean editArticle(Article article){
		boolean flag = false ;
		int count = 0 ;
//		ArrayList<NoticeAppFiles> nafList  ;
//		nafList  = notice.getFiles() ; 
//		NoticeAppFiles naf ;
		Connection conn=null;
		PreparedStatement stmt=null;
		ResultSet rs=null;
		String arlm2="";
		int arlm2id=0;
		int arlm1id=0;
//		naf = notice.getFiles().get(0) ;
//		System.out.println("newname"+naf.getNewFilename()) ;
//		System.out.println("isFileflag"+naf.isFileflag()) ;
		
//		
//		//删除已经标记的附件
//		int size  = 0 ;
//		size = nafList.size(); 
//		
//		if(size >0){
//			for (int i = 0; i < size; i++) {
//				naf = notice.getFiles().get(i) ;
////				System.out.println("newname"+naf.getNewFilename()) ;
////				System.out.println("isFileflag"+naf.isFileflag()) ;
//				if(naf.isFileflag()){
//					try {
//						conn = DBUtils.getConnection() ;
//						stmt = conn.prepareStatement("delete m_notice_appendix where newFileName = ?") ;
//						stmt.setString(1,naf.getNewFilename()) ;
//						stmt.executeUpdate() ;
//						
//						DBUtils.closeStatement(stmt) ;
//					} catch (Exception e) {
//						System.out.println("NoticeDAO.editNotice-->" + e);
//					} finally {
//						DBUtils.closeStatement(stmt);
//						DBUtils.closeConnection(conn);
//					}
//				}
//			}
//		}
		
		arlm2=article.getAr_lm2();
		arlm1id=article.getAr_lm1();
		try{
			conn=DBUtils.getConnection();
			stmt=conn.prepareStatement("select slmid from w_sublmb where slmmc='"+arlm2+"' and sjlmid="+arlm1id);
			rs=stmt.executeQuery();