删除servlet

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package com.sxt.servlet;

import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;

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

import com.sxt.dao.GoodsDao;
import com.sxt.dao.impl.GoodsDaoImpl;

public class DelGoodsServlet extends HttpServlet {

public void doGet(HttpServletRequest request, HttpServletResponse response)        throws ServletException, IOException {    this.doPost(request, response);}public void doPost(HttpServletRequest request, HttpServletResponse response)        throws ServletException, IOException {    String gid = request.getParameter("gid");    String gurl = request.getParameter("gurl");    GoodsDao dao = new GoodsDaoImpl();    PrintWriter out = response.getWriter();    try {        boolean b = dao.delGoods(gid);        if (b) {            // 删除本地图片            File f = new File(request.getServletContext().getRealPath("/")+gurl);            if(f.isFile()){                f.delete();            }            out.print(1);        } else {            out.print(0);        }        out.close();    } catch (Exception e) {        e.printStackTrace();    }}

}

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