managebookclass.java

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/*
 * 创建日期 2005-3-10
 *
 * TODO 要更改此生成的文件的模板，请转至
 * 窗口 － 首选项 － Java － 代码样式 － 代码模板
 */
package store;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 * @author wwx
 *
 * TODO 要更改此生成的类型注释的模板，请转至
 * 窗口 － 首选项 － Java － 代码样式 － 代码模板
 */
public class ManageBookClass extends HttpServlet {

	protected void doGet(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException {
		//TODO Method stub generated by Lomboz
		boolean flag = false;
		String action = request.getParameter("action");
		BookClass bookclass = new BookClass();
		
		if(action.equals("Add"))
		{
			try
			{
				bookclass.AddClass(request);
			}
			catch(Exception e)
			{
		  		flag = true;
		  		HttpSession httpsession = request.getSession(true);
		  		httpsession.setAttribute("servleterror",e.getMessage());
			}
		}
		else if(action.equals("Update"))
		{
			try
			{
				bookclass.UpdateClass(request);
			}
			catch(Exception e)
			{
		  		flag = true;
		  		HttpSession httpsession = request.getSession(true);
		  		httpsession.setAttribute("servleterror",e.getMessage());
			}
		}
		else if(action.equals("Delete"))
		{
			try
			{
				bookclass.DelClass(request);
			}
			catch(Exception e)
			{
		  		flag = true;
		  		HttpSession httpsession = request.getSession(true);
		  		httpsession.setAttribute("servleterror",e.getMessage());
			}
		}
		else
		{
			flag = true;
			HttpSession httpsession = request.getSession(true);
	  		httpsession.setAttribute("servleterror","Your operate was error!<br>");
		}
		
		if (!flag)
	  	{
		    response.sendRedirect("../manage/manageclass.jsp");
	  	}
	  	else
	  	{
	  		response.sendRedirect("../errorpage.jsp");
	  	}
	}
}