retrievetableservlet.java

JSP物业管理系统 一份比较完整的物业管理系统源码。 对于初学者可以有一定的借鉴。

// Decompiled by Jad v1.5.7g. Copyright 2000 Pavel Kouznetsov.
// Jad home page: http://www.geocities.com/SiliconValley/Bridge/8617/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi 
// Source File Name:   RetrieveTableServlet.java

package interfacedcss;

import common.*;
import java.io.PrintStream;
import java.util.Vector;
import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

// Referenced classes of package interfacedcss:
//            RetrieveTableDBBean

public class RetrieveTableServlet extends ParentServlet
{

    public RetrieveTableServlet()
    {
    }

    public void performTask(HttpServletRequest httpservletrequest, HttpServletResponse httpservletresponse)
    {
        try
        {
            RetrieveTableDBBean retrievetabledbbean = new RetrieveTableDBBean();
            DateTimeBean datetimebean = new DateTimeBean();
            Vector vector = (Vector)getServletContext().getAttribute("Para");
            retrievetabledbbean.setUserID((String)vector.elementAt(0));
            retrievetabledbbean.setPassword((String)vector.elementAt(1));
            retrievetabledbbean.setURL((String)vector.elementAt(2));
            retrievetabledbbean.setDriver((String)vector.elementAt(3));
            retrievetabledbbean.setDataSourceName((String)vector.elementAt(4));
            ParseInputStringBean parseinputstringbean = new ParseInputStringBean();
            String s = httpservletrequest.getParameter("inputString");
            Vector vector1 = parseinputstringbean.parseCommonFormatIS(s);
            String s1 = vector1.elementAt(0).toString();
            String s2 = vector1.elementAt(1).toString();
            retrievetabledbbean.setNumber(s1);
            try
            {
                retrievetabledbbean.setPage(Integer.parseInt((String)vector1.elementAt(2)));
            }
            catch(ArrayIndexOutOfBoundsException _ex)
            {
                retrievetabledbbean.setPage(1);
            }
            try
            {
                retrievetabledbbean.initialize();
            }
            catch(Exception exception)
            {
                throw exception;
            }
            try
            {
                retrievetabledbbean.setParaName("TabPagDisNum");
                retrievetabledbbean.selectPara();
                if(retrievetabledbbean.getStatusCode() == 9013)
                {
                    retrievetabledbbean.setStatusMessage("在参数表中没有设置社区文化每页显示条数");
                    throw new Exception("在参数表中没有该参数");
                }
                retrievetabledbbean.setPageLength(Integer.parseInt(retrievetabledbbean.getParaValue()));
                retrievetabledbbean.setDelflag("0");
                retrievetabledbbean.setTableName("tabletobook");
                retrievetabledbbean.setSelectSQL01(" SELECT  NUMBER, PLCNUM, ITEMNUM, NAME, NOTE FROM " + retrievetabledbbean.getTableName() + " WHERE(  ITEMNUM = ? AND DELFLAG= ? ) ORDER BY NUMBER DESC");
                try
                {
                    retrievetabledbbean.select01();
                    retrievetabledbbean.getDataFromResult01();
                }
                catch(Exception exception2)
                {
                    throw new Exception("[interfacedcss.RetrieveTableServlet][" + datetimebean.getDate() + " " + datetimebean.getTime() + "]" + exception2.getMessage());
                }
            }
            catch(Exception exception3)
            {
                throw exception3;
            }
            finally
            {
                retrievetabledbbean.releaseConnection();
            }
            httpservletrequest.setAttribute("statusMessage", retrievetabledbbean.getStatusMessage());
            httpservletrequest.setAttribute("flag", (new Integer(retrievetabledbbean.getStatusCode())).toString());
            httpservletrequest.setAttribute("preday", s2);
            httpservletrequest.setAttribute("vecQ1", retrievetabledbbean.vecQ1);
            httpservletrequest.setAttribute("vecQ2", retrievetabledbbean.vecQ2);
            httpservletrequest.setAttribute("vecQ3", retrievetabledbbean.vecQ3);
            httpservletrequest.setAttribute("vecQ4", retrievetabledbbean.vecQ4);
            httpservletrequest.setAttribute("vecQ5", retrievetabledbbean.vecQ5);
            httpservletrequest.setAttribute("currentpage", String.valueOf(retrievetabledbbean.getPage()));
            httpservletrequest.setAttribute("pages", String.valueOf(retrievetabledbbean.getPages()));
            RequestDispatcher requestdispatcher1 = getServletContext().getRequestDispatcher("/interfacedcss/RetrieveTableResult.jsp");
            requestdispatcher1.forward(httpservletrequest, httpservletresponse);
        }
        catch(Throwable throwable)
        {
            System.out.println(throwable);
            try
            {
                RequestDispatcher requestdispatcher = getServletContext().getRequestDispatcher("/common/Error.jsp");
                requestdispatcher.forward(httpservletrequest, httpservletresponse);
            }
            catch(Exception _ex) { }
        }
    }
}