随笔分类 -  javaweb

文件上传
摘要：1. 导入jar包，这里还要导入servlet api 2. 编写servlet @WebServlet("/upFile") public class UpLoad extends HttpServlet { // 上传文件存储目录 private static final String UPLO 阅读全文

posted @ 2020-11-25 23:18 Difcipo 阅读(136) 评论(0) 推荐(0)

文件下载
摘要：public class DownLoadServlet extends HttpServlet { @Override protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletExce 阅读全文

posted @ 2020-11-25 21:40 Difcipo 阅读(83) 评论(0) 推荐(0)

Filter过滤器
摘要：1.过滤器要实现Filter接口 import javax.servlet.* public class EncodingFilter implements Filter { @Override public void init(FilterConfig filterConfig) throws S 阅读全文

posted @ 2020-11-23 22:12 Difcipo 阅读(94) 评论(0) 推荐(0)

导航