?? leiservlet.java
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package com.ebook.servlet;import java.io.IOException;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import com.ebook.Util.*;import com.ebook.impl.*;import java.util.ArrayList;/** * * @author 闅嗙 */public class LeiServlet extends HttpServlet { public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String action=request.getParameter("action"); if(action.equals("showcate")) { getCateBook(request,response); } if(action.equals("queryname")) { getNameBook(request,response); } else { } } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doGet(request, response); } public void getNameBook(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String queryname=request.getParameter("query"); try { BookImpl bi = new BookImpl(new JdbcCon().getCon()); ArrayList list = bi.getNameBook(queryname); request.setAttribute("catebooklist", list); CategoryImpl ci = new CategoryImpl(new JdbcCon().getCon()); ArrayList catelist = ci.getCategory(); request.setAttribute("catelist", catelist); } catch (Exception e) { } request.getRequestDispatcher("catebook.jsp").forward(request, response); } public void getCateBook(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { int cateid = Integer.parseInt(request.getParameter("cateid")); try { BookImpl bi = new BookImpl(new JdbcCon().getCon()); ArrayList list = bi.getCateBook(cateid); request.setAttribute("catebooklist", list); CategoryImpl ci = new CategoryImpl(new JdbcCon().getCon()); ArrayList catelist = ci.getCategory(); request.setAttribute("catelist", catelist); } catch (Exception e) { } request.getRequestDispatcher("catebook.jsp").forward(request, response); }}
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