jsp新代码第212课

new212.java

package pack03;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.Timestamp;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

public class new212
{
  //获取
  public new211 getLeave(int leaveId)
  {
    new211 leave1 = null;
    Connection conn = null;
    PreparedStatement pstmt = null;
    ResultSet rs = null;
    new208 DBDao = new new208();
    
    String sql = "select * from sp_leaveWord where id=" + leaveId;
    try
    {
      conn = DBDao.getConnection();
      pstmt = conn.prepareStatement(sql);
      rs = pstmt.executeQuery();
      if (rs.next())
      {
        int id = rs.getInt("id");
        int memberId = rs.getInt("memberId");
        int userId = rs.getInt("userId");
        String title = rs.getString("title");
        String content = rs.getString("content");
        Timestamp createDate = rs.getTimestamp("createDate");
        String replyContent = rs.getString("replyContent");
        Timestamp replayDate = rs.getTimestamp("replayDate");
        leave1 = new new211(id,memberId,userId,title,content,createDate,replyContent,replayDate);
        
      }
    } 
    catch (Exception e)
    {
      e.printStackTrace();
    }
    finally
    {
      DBDao.close(rs);
      DBDao.close(pstmt);
      DBDao.close(conn);
    }
    
    return leave1;
  }
  
  //保存
  public int saveLeave(new211 member)
  {
    Connection conn = null;
    PreparedStatement pstmt = null;
    new208 DBdao = new new208();
    String sql = "insert into sp_leaveWord(memberId,userId,title,content,createDate,replyContent,replyDate) values(?,?,?,?,?,?,?)";
    int result = -1;
    try
    {
      conn = DBdao.getConnection();
      pstmt = conn.prepareStatement(sql);
      pstmt.setInt(1, member.getMemberId());
      pstmt.setInt(2, member.getUserId());
      pstmt.setString(3, member.getTitle());
      pstmt.setString(4, member.getContent());
      pstmt.setTimestamp(5, new Timestamp(new Date().getTime()));
      pstmt.setString(6, member.getReplyContent());
      pstmt.setTimestamp(7, new Timestamp(new Date().getTime()));
      result = pstmt.executeUpdate();
    } 
    catch (Exception e)
    {
      e.printStackTrace();
    }
    finally
    {
      DBdao.close(pstmt);
      DBdao.close(conn);
    }
    return result;
  }
  
  public List<new211> allLeave(int pageSize,int pageIndex)
  {
    List<new211> list = new ArrayList<new211>();
    new211 mp = null;
    
    String sql = "select * from sp_leaveWord limit " + (pageIndex - 1) * pageSize + "," + pageSize;
    Connection conn = null;
    PreparedStatement pstmt = null;
    ResultSet rs = null;
    new208 DBDao = new new208();
    
    try
    {
      conn = DBDao.getConnection();
      pstmt = conn.prepareStatement(sql);
      rs = pstmt.executeQuery();
      while (rs.next())
      {
        int id = rs.getInt("id");
        int memberId = rs.getInt("memberId");
        int userId = rs.getInt("userId");
        String title = rs.getString("title");
        String content = rs.getString("content");
        Timestamp createDate = rs.getTimestamp("createDate");
        String replyContent = rs.getString("replyContent");
        Timestamp replayDate = rs.getTimestamp("replyDate");
        mp  = new new211(id,memberId,userId,title,content,createDate,replyContent,replayDate);
        list.add(mp);
      }
    } 
    catch (Exception e)
    {
      e.printStackTrace();
    }
    finally
    {
      DBDao.close(rs);
      DBDao.close(pstmt);
      DBDao.close(conn);
      
    }
    
    return list;
  }
}