package db;
import java.util.*;
import java.sql.*;
import bean.*;
public class ControlPaper extends ControlDB {
public int insertPaper(Paper pp)
{
int i=0;
if(this.isPaper(pp.getPaperName())==0)
{
try
{
this.getConnection();
String sql="insert into paper (courseId,paperName,count,mark,paperState) values(?,?,?,?,?)";
pstmt=conn.prepareStatement(sql);
pstmt.setInt(1, pp.getCourseId());
pstmt.setString(2, pp.getPaperName());
pstmt.setInt(3,pp.getCount());
pstmt.setInt(4,pp.getMark());
pstmt.setInt(5, pp.getPaperState());
i=pstmt.executeUpdate();
}catch(Exception ex)
{
ex.printStackTrace();
}finally
{
this.closeConnection();
}
}else
{
i=2;
}
return i;
}
public int isPaper(String paperName)
{
String sql="select count(*) from paper where paperName='"+paperName+"'";
return this.count(sql);
}
public int countPaper()
{
String sql="select count(*) from paper";
return this.count(sql);
}
public Collection getAllPaper()
{
Collection c=new ArrayList();
try
{
this.getConnection();
String sql="select * from paper";
stmt=conn.createStatement();
rs=stmt.executeQuery(sql);
while(rs.next())
{
Paper pp=new Paper();
pp.setPaperId(rs.getInt("paperId"));
pp.setCourseId(rs.getInt("courseId"));
pp.setPaperName(rs.getString("paperName"));
pp.setCount(rs.getInt("count"));
pp.setMark(rs.getInt("mark"));
pp.setPaperState(rs.getInt("paperState"));
c.add(pp);
pp=null;
}
}catch(Exception ex)
{
ex.printStackTrace();
}finally
{
this.closeConnection();
}
return c;
}
public Paper getSomePaper(int paperId)
{
Paper pp=new Paper();
try
{
String sql="select * from Paper where paperId="+paperId;
this.getConnection();
stmt=conn.createStatement();
rs=stmt.executeQuery(sql);
while(rs.next())
{
int ss=rs.getInt(1);
System.out.println(ss);
pp.setPaperId(ss);
pp.setCourseId(rs.getInt(2));
System.out.println(rs.getInt(2));
pp.setPaperName(rs.getString(3));
System.out.println(rs.getString(3));
pp.setCount(rs.getInt(4));
System.out.println(rs.getInt(4));
pp.setMark(rs.getInt(5));
System.out.println(rs.getInt(5));
pp.setPaperState(rs.getInt(6));
System.out.println(rs.getInt(6));
}
}catch(Exception ex)
{
ex.printStackTrace();
}finally
{
this.closeConnection();
}
return pp;
}
public int deletePaper(int paperId)
{
int i=0;
try{
this.getConnection();
//System.out.print("dddddddddddddd");
String sql="delete from Paper where paperId="+paperId;
stmt=conn.createStatement();
i=stmt.executeUpdate(sql);
}catch(Exception ex)
{
ex.printStackTrace();
}finally
{
this.closeConnection();
}
return i;
}
public int updatePaper(Paper p ,int paperId)
{
int i=0;
try
{
this.getConnection();
String sql="update Paper set paperId=?,courseId=?,paperName=?,count=?,mark=?,paperState=? where paperId="+paperId;
pstmt=conn.prepareStatement(sql);
pstmt.setInt(1, p.getPaperId());
pstmt.setInt(2, p.getCourseId());
pstmt.setString(3, p.getPaperName());
pstmt.setInt(4, p.getCount());
pstmt.setInt(5, p.getMark());
pstmt.setInt(6, p.getPaperState());
System.out.println("wo");
i=pstmt.executeUpdate();
}catch(Exception ex)
{
ex.printStackTrace();
}finally
{
this.closeConnection();
}
return i;
}
public int getMark(int paperId1)
{
int i=0;
try
{
this.getConnection();
String sql="select mark from paper where paperId="+paperId1;
stmt=conn.createStatement();
rs=stmt.executeQuery(sql);
if(rs.next())
{
i=rs.getInt(1);
//System.out.println("ssssssss");
}
}catch(Exception ex)
{
ex.printStackTrace();
}finally
{
this.closeConnection();
}
return i;
}
public int getCount(int paperId1)
{
int i=0;
try
{
this.getConnection();
String sql="select count from paper where paperId="+paperId1;
stmt=conn.createStatement();
rs=stmt.executeQuery(sql);
if(rs.next())
{
i=rs.getInt(1);
//System.out.println("ssssssss");
}
}catch(Exception ex)
{
ex.printStackTrace();
}finally
{
this.closeConnection();
}
return i;
}
}
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