package com.mandi.servlet;
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import java.io.IOException;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import javax.servlet.ServletException;
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import javax.servlet.annotation.WebServlet;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import com.google.gson.Gson;
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import com.google.gson.JsonObject;
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import com.mandi.common.RequestParam;
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import com.mandi.common.SessionMethod;
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@WebServlet(name="removefile",urlPatterns="/removefileservlet.sv")
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public class Removefileservlet extends HttpServlet {
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private static final long serialVersionUID = 3156691139583344145L;
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@Override
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protected void doGet(HttpServletRequest req, HttpServletResponse resp)
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throws ServletException, IOException {
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this.doGet(req, resp);
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}
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@Override
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protected void doPost(HttpServletRequest req, HttpServletResponse resp)
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throws ServletException, IOException {
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JsonObject jo=new JsonObject();
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Gson g=new Gson();
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resp.setCharacterEncoding("UTF-8");
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resp.setContentType("application/json; charset=utf-8");
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String url=RequestParam.getSqlString(req, "url");
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url=req.getServletContext().getRealPath(url);
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Path p=Paths.get(url);
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if(!Files.exists(p))
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{
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jo.addProperty("code", 1);
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jo.addProperty("errmsg", "文件不存在!");
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SessionMethod.writeresp(resp, g.toJson(jo));
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return;
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}
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try{
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Files.delete(p);
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jo.addProperty("code", 0);
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}catch (Exception e) {
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e.printStackTrace();
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jo.addProperty("code", 2);
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jo.addProperty("errmsg", "文件不能删除!!");
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}
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SessionMethod.writeresp(resp, g.toJson(jo));
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return;
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}
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}
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