teeth/code/ReportDaoImpl.java

package com.dao;
import java.util.*;


import java.util.Date;
import java.sql.*;

import com.domain.Article;
import com.domain.Report;

public class ReportDaoImpl implements  ReportDao {

	@Override
	public List<Report> listReport() throws SQLException {
		// TODO Auto-generated method stub
		Report Report = new Report();
		Connection conn = getConnection(); 
		List<Report> list = new ArrayList<Report>(); 
	  	String sql = "SELECT * FROM Report"; 
    	try(
    		PreparedStatement pstmt = conn.prepareStatement(sql);
	  	    ResultSet rs = pstmt.executeQuery()){
    		while(rs.next()){
    			Report.setRid(rs.getInt("Rid")); 
    			Report.setUid(rs.getString("Uid"));
    			Report.setRdate(rs.getDate("Rdate"));
    			Report.setResult(rs.getString("Result"));
    			Report.setCompany(rs.getString("Company"));
    			Report.setRpicture(rs.getBytes("Rpicture"));
				list.add(Report);
    		}
    		return list;
    	}catch(SQLException e){
    		System.out.println(e);
    		return null;
    	}     
		
	}

	@Override
	public int removeReport(int Rid) throws SQLException {
		// TODO Auto-generated method stub
		Connection conn = getConnection();
    	String sql = "DELETE FROM Report WHERE Rid=?";  
    	try{
    		PreparedStatement pstmt = conn.prepareStatement(sql);
    		pstmt.setInt(1, Rid);
    		 return pstmt.executeUpdate();
    	}catch(SQLException sqle){
    		System.out.print(sqle);
  	   		return 0;
    	} 
	}
	
	

}