資源簡介
idea+Tomcat，java實現簡單的文件的上傳、下載、刪除，源程序，可直接運行！上傳的文件保存在idea自動生成的upload_project\out\artifacts\upload_project_war_exploded\WEB-INF\upload目錄下
代碼片段和文件信息
package?servlet;
import?javax.servlet.ServletException;
import?javax.servlet.annotation.WebServlet;
import?javax.servlet.http.HttpServlet;
import?javax.servlet.http.HttpServletRequest;
import?javax.servlet.http.HttpServletResponse;
import?java.io.File;
import?java.io.IOException;
/**
?*?@author?asus
?*?@create?2019-12-11?21:54
?*/
@WebServlet（“/servlet/DeleteServlet“）
public?class?DeleteServlet?extends?HttpServlet?{
????@Override
????protected?void?doGet（HttpServletRequest?request?HttpServletResponse?response）?throws?ServletException?IOException?{
????????//得到要刪除的文件名
????????String?fileName?=?request.getParameter（“filename“）;??//23239283-92489-阿凡達.avi
????????//獲取文件所在的路徑
????????String?fileSaveRootPath?=?this.getServletContext（）.getRealPath（“/WEB-INF/upload“）;
????????//得到要刪除的文件
????????File?file?=?new?File（fileSaveRootPath?+?“\\“?+?fileName）;
????????file.delete（）;
????????request.getRequestDispatcher（“/servlet/ListFileServlet“）.forward（request?response）;
????}
????@Override
????protected?void?doPost（HttpServletRequest?request?HttpServletResponse?response）?throws?ServletException?IOException?{
????????doGet（request?response）;
????}
}
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2019-12-11?21:06??文件上傳下載的項目\
?????目錄???????????0??2019-12-11?10:46??文件上傳下載的項目\upload_project\
?????目錄???????????0??2019-12-22?09:59??文件上傳下載的項目\upload_project\.idea\
?????目錄???????????0??2019-12-10?17:13??文件上傳下載的項目\upload_project\.idea\artifacts\
?????文件?????????531??2019-12-10?17:13??文件上傳下載的項目\upload_project\.idea\artifacts\upload_project_war_exploded.xm
?????文件?????????205??2019-12-11?09:38??文件上傳下載的項目\upload_project\.idea\encodings.xm
?????目錄???????????0??2019-12-10?23:52??文件上傳下載的項目\upload_project\.idea\libraries\
?????文件?????????290??2019-12-10?23:46??文件上傳下載的項目\upload_project\.idea\libraries\lib.xm
?????文件?????????294??2019-12-10?23:52??文件上傳下載的項目\upload_project\.idea\libraries\lib__2_.xm
?????文件?????????278??2019-12-10?17:13??文件上傳下載的項目\upload_project\.idea\misc.xm
?????文件?????????275??2019-12-10?17:13??文件上傳下載的項目\upload_project\.idea\modules.xm
?????文件???????28800??2019-12-22?09:59??文件上傳下載的項目\upload_project\.idea\workspace.xm
?????目錄???????????0??2019-12-11?10:46??文件上傳下載的項目\upload_project\out\
?????目錄???????????0??2019-12-11?10:46??文件上傳下載的項目\upload_project\out\artifacts\
?????目錄???????????0??2019-12-22?09:51??文件上傳下載的項目\upload_project\out\artifacts\upload_project_war_exploded\
?????目錄???????????0??2019-12-22?09:45??文件上傳下載的項目\upload_project\out\artifacts\upload_project_war_exploded\WEB-INF\
?????目錄???????????0??2019-12-11?10:46??文件上傳下載的項目\upload_project\out\artifacts\upload_project_war_exploded\WEB-INF\classes\
?????目錄???????????0??2019-12-11?22:08??文件上傳下載的項目\upload_project\out\artifacts\upload_project_war_exploded\WEB-INF\classes\servlet\
?????文件????????1835??2019-12-11?22:07??文件上傳下載的項目\upload_project\out\artifacts\upload_project_war_exploded\WEB-INF\classes\servlet\DeleteServlet.class
?????文件????????3165??2019-12-11?22:07??文件上傳下載的項目\upload_project\out\artifacts\upload_project_war_exploded\WEB-INF\classes\servlet\DownLoadServlet.class
?????文件????????2644??2019-12-11?22:07??文件上傳下載的項目\upload_project\out\artifacts\upload_project_war_exploded\WEB-INF\classes\servlet\ListFileServlet.class
?????文件????????4556??2019-12-11?22:07??文件上傳下載的項目\upload_project\out\artifacts\upload_project_war_exploded\WEB-INF\classes\servlet\UploadHandleServlet.class
?????目錄???????????0??2019-12-11?22:08??文件上傳下載的項目\upload_project\out\artifacts\upload_project_war_exploded\WEB-INF\lib\
?????文件???????72446??2018-12-24?02:06??文件上傳下載的項目\upload_project\out\artifacts\upload_project_war_exploded\WEB-INF\lib\commons-fileupload-1.4.jar
?????文件??????214788??2017-10-15?12:00??文件上傳下載的項目\upload_project\out\artifacts\upload_project_war_exploded\WEB-INF\lib\commons-io-2.6.jar
?????文件??????414240??2016-05-16?12:16??文件上傳下載的項目\upload_project\out\artifacts\upload_project_war_exploded\WEB-INF\lib\jstl-1.2.jar
?????目錄???????????0??2019-12-22?09:56??文件上傳下載的項目\upload_project\out\artifacts\upload_project_war_exploded\WEB-INF\upload\
?????文件????????9340??2019-12-11?22:14??文件上傳下載的項目\upload_project\out\artifacts\upload_project_war_exploded\WEB-INF\upload\高手.txt
?????文件?????????401??2019-12-22?09:45??文件上傳下載的項目\upload_project\out\artifacts\upload_project_war_exploded\WEB-INF\web.xm
?????文件?????????448??2019-12-11?00:29??文件上傳下載的項目\upload_project\out\artifacts\upload_project_war_exploded\download.jsp
?????文件?????????302??2019-12-10?17:13??文件上傳下載的項目\upload_project\out\artifacts\upload_project_war_exploded\index.jsp
............此處省略33個文件信息
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