| 提交 | 用户 | 时间 | ||
| 58d006 | 1 | package com.mandi.servlet; |
| A | 2 | |
| 3 | import java.io.IOException; | |
| 4 | import java.nio.file.Files; | |
| 5 | import java.nio.file.Path; | |
| 6 | import java.nio.file.Paths; | |
| 7 | ||
| 8 | import javax.servlet.ServletException; | |
| 9 | import javax.servlet.annotation.WebServlet; | |
| 10 | import javax.servlet.http.HttpServlet; | |
| 11 | import javax.servlet.http.HttpServletRequest; | |
| 12 | import javax.servlet.http.HttpServletResponse; | |
| 13 | ||
| 14 | import com.google.gson.Gson; | |
| 15 | import com.google.gson.JsonObject; | |
| 16 | import com.mandi.common.RequestParam; | |
| 17 | import com.mandi.common.SessionMethod; | |
| 18 | @WebServlet(name="removefile",urlPatterns="/removefileservlet.sv") | |
| 19 | public class Removefileservlet extends HttpServlet { | |
| 20 | private static final long serialVersionUID = 3156691139583344145L; | |
| 21 | ||
| 22 | @Override | |
| 23 | protected void doGet(HttpServletRequest req, HttpServletResponse resp) | |
| 24 | throws ServletException, IOException { | |
| 25 | this.doGet(req, resp); | |
| 26 | } | |
| 27 | ||
| 28 | @Override | |
| 29 | protected void doPost(HttpServletRequest req, HttpServletResponse resp) | |
| 30 | throws ServletException, IOException { | |
| 31 | JsonObject jo=new JsonObject(); | |
| 32 | Gson g=new Gson(); | |
| 33 | resp.setCharacterEncoding("UTF-8"); | |
| 34 | resp.setContentType("application/json; charset=utf-8"); | |
| 35 | String url=RequestParam.getSqlString(req, "url"); | |
| 36 | url=req.getServletContext().getRealPath(url); | |
| 37 | Path p=Paths.get(url); | |
| 38 | if(!Files.exists(p)) | |
| 39 | { | |
| 40 | jo.addProperty("code", 1); | |
| 41 | jo.addProperty("errmsg", "文件不存在!"); | |
| 42 | SessionMethod.writeresp(resp, g.toJson(jo)); | |
| 43 | return; | |
| 44 | } | |
| 45 | try{ | |
| 46 | Files.delete(p); | |
| 47 | jo.addProperty("code", 0); | |
| 48 | }catch (Exception e) { | |
| 49 | e.printStackTrace(); | |
| 50 | jo.addProperty("code", 2); | |
| 51 | jo.addProperty("errmsg", "文件不能删除!!"); | |
| 52 | } | |
| 53 | SessionMethod.writeresp(resp, g.toJson(jo)); | |
| 54 | return; | |
| 55 | } | |
| 56 | ||
| 57 | } | |
