addkinds.java

功能描述 1） 后台：管理员负责对整个论坛进行管理

package bbs.servlet;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
import bbs.db.KindDBAccess;
import java.sql.Date;
import bbs.bean.BbsKinds;

public class AddKinds
    extends HttpServlet {
  private static final String CONTENT_TYPE = "text/html; charset=GBK";

  //Initialize global variables
  public void init() throws ServletException {
  }

  //Process the HTTP Get request
  public void doGet(HttpServletRequest request, HttpServletResponse response) throws
      ServletException, IOException {
    response.setContentType(CONTENT_TYPE);
    PrintWriter out = response.getWriter();
    //获得版块的名称
    String kindname = request.getParameter("kindname");
    //获取系统当前时间
    Calendar cd = Calendar.getInstance();
    String year = cd.get(Calendar.YEAR)+"";
    String month = (cd.get(Calendar.MONTH)+1)+"";
    String day = cd.get(Calendar.DAY_OF_MONTH)+"";

    String hour = cd.get(Calendar.HOUR_OF_DAY)+"";
    String minute = cd.get(Calendar.MINUTE)+"";
    String second = cd.get(Calendar.SECOND)+"";
    String time=year+"-"+month+"-"+day+" "+hour+":"+minute+":"+second;

    try {
      KindDBAccess db = new KindDBAccess();
      BbsKinds obj = new BbsKinds();

      obj.setKname(kindname);
      obj.setKdate(time);
      //判断是否插入成功
      if(!(kindname.equals(""))&& db.insert(obj)>0)
      {
        request.getRequestDispatcher("showkinds").forward(request,response);
        return;
      }
      else
      {
        request.setAttribute("message","对不起，添加的版块不能为空！");
      }
      request.getRequestDispatcher("showkinds").forward(request,response);
    }
    catch (Exception ex) {
      ex.printStackTrace();
      request.setAttribute("message", "数据库操作发生错误！");
      request.getRequestDispatcher("error.jsp").forward(request, response);

    }
    out.close();
  }

  //Process the HTTP Post request
  public void doPost(HttpServletRequest request, HttpServletResponse response) throws
      ServletException, IOException {
    doGet(request, response);
  }

  //Clean up resources
  public void destroy() {
  }
}