doplan.java~216~

用JSP写的论坛源代码 走过路过的各位千万不要错过啊！！！！

package bbs.beans.plan;
import bbs.beans.plan.*;
import bbs.beans.dbcontact.ContactBean;
import java.sql.*;
import java.util.Date;

public class DoPlan
{ private Statement stm;
  private ResultSet result;

  public DoPlan()
  { ContactBean contact=new ContactBean();
    stm=contact.getStm();
  }
 //AddPlan()方法中的形参planinfo在传来时其应有ownername,boardname,topic,text,属性值
  public void AddPlan(TopicPlan planinfo)
  { int parent=planinfo.getParentId() ;
    int child ;
    int user=planinfo.getUserId() ;
    int board=planinfo.getBoardId() ;
    String tpc=planinfo.getTopic() ;
    String txt=planinfo.getText() ;
    int mood=planinfo.getMoodNum() ;
    java.text.SimpleDateFormat format=new java.text.SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    Date Da = new Date();
    String date = format.format(Da);

    try {
          if(parent==0)
             {
               result=stm.executeQuery("select * from topicplan where parentid=(select max(parentid) from topicplan where  boardid="+board+")");

               if(result.next())
                   parent=1+result.getInt("parentid") ;
                 else
                  parent=1;

                stm.executeUpdate("insert into topicplan(parentid,userid,boardid,clicksnum,pubtime,topic,[text],state,replynum,moodnum) values("+
                              parent+","+user+","+board+",0,'"+date+"','" + tpc +"','"+txt+"',0,0,"+mood+")");
                stm.executeUpdate("insert into useradd(userid,parentid,childid,boardid) values("+user+","+parent+",0,"+board);

               result=stm.executeQuery("select boardtopices from boardinfo where boardid="+board);//所属版块的主题数加1
               result.next() ;
               stm.executeUpdate("update boardinfo set boardtopices="+(1+result.getInt(1))+" where boardid="+board);

             }
          else
             {
               result=stm.executeQuery("select * from replyplan where childid=(select max(childid) from replyplan where parentid="+parent+" and boardid="+board+")");
                if(result.next())
                 child=1+result.getInt("childid");
                else
                  child=1;
              stm.executeUpdate("insert into replyplan(parentid,childid,userid,boardid,pubtime,topic,[text],moodnum) values("+
                             parent+","+child+"," +user+ "," + board + ",'" + date + "','" + tpc +"','" + txt + "',"+mood+")");

              result=stm.executeQuery("select replynum from topicplan where parentid="+parent+" and boardid="+board);//所属主题的回复数加1
              result.next() ;
              stm.executeUpdate("update topicplan set replynum="+(1+result.getInt("replynum"))+" where parentid="+parent+" and boardid="+board);

            }
           result=stm.executeQuery("select plans from userinfo where userid="+user);
           result.next();
           stm.executeUpdate("update userinfo set plans="+(1+result.getInt("plans"))+" where userid="+user);

           stm.close();
           result.close();
         }
      catch (Exception e)
        { e.printStackTrace() ;
        }

  }

  public void  ModifyPlan(TopicPlan planinfo)
  {
    int parent=planinfo.getParentId() ;
    int child=planinfo.getChildId() ;
    int board=planinfo.getBoardId() ;
    String tpc=planinfo.getTopic() ;
    String txt=planinfo.getText() ;
    int mood=planinfo.getMoodNum() ;
    Date date=new java.sql.Date (new java.util.Date().getTime());

    try
    {
      txt=txt+"[此帖子作者以于"+date+"修改过]";
      if(child==0)
        stm.executeUpdate("update topicplan set topic='"+tpc+"',[text]='"+txt+"',moodnum="+mood+" where parentid="+parent+" and boardid="+board);
      else
        stm.executeUpdate("update replyplan set topic='"+tpc+"',[text]='"+txt+"',moodnum="+mood+" where parentid="+parent+" and childid="+child+" and boardid="+board);

  }
    catch(Exception e)
        {
          e.printStackTrace() ;
        }

  }

  public void DeletePlan(TopicPlan planinfo)
    {  int parent=planinfo.getParentId() ;
       int child=planinfo.getChildId() ;
       int board=planinfo.getBoardId() ;
    try
     {
      if(child==0)
        {stm.executeUpdate("delete * from topicplan where parentid=" + parent + " and boardid=" + board);
         stm.executeUpdate("delete * from replyplan where parentid=" + parent + " and boardid=" + board);
        }
      else
        stm.executeUpdate("delete * from replyplan where parentid=" + parent + " and childid="+child+" and boardid=" + board);
     }
      catch(Exception e)
      {
        e.printStackTrace() ;
      }
    }
}