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posted @ 2022-01-20 14:49 谢远栋 阅读(12) 评论(0) 推荐(0)
摘要: public void destroy() { } public void doFilter(javax.servlet.ServletRequest req, javax.servlet.ServletResponse resp, javax.servlet.FilterChain chain) 阅读全文
posted @ 2022-01-17 17:03 谢远栋 阅读(25) 评论(0) 推荐(0)
摘要: 阅读全文
posted @ 2022-01-17 16:51 谢远栋 阅读(8) 评论(0) 推荐(0)
摘要: ServletContext servletContext = request.getServletContext(); Object count = servletContext.getAttribute("count"); if (count==null){ servletContext.set 阅读全文
posted @ 2022-01-17 16:14 谢远栋 阅读(33) 评论(0) 推荐(0)
摘要: ServletContext servletContext = request.getServletContext();打印servletContext结果是一个内存地址不为空 System.out.println( servletContext.getAttribute("count"));打印这 阅读全文
posted @ 2022-01-17 15:11 谢远栋 阅读(40) 评论(0) 推荐(0)
摘要: html与请求转发一样 Servelt @WebServlet("/hello")public class Servlet extends javax.servlet.http.HttpServlet { protected void doPost(javax.servlet.http.HttpSe 阅读全文
posted @ 2022-01-17 14:41 谢远栋 阅读(42) 评论(0) 推荐(0)
摘要: html(action对应Servlet的映射地址) <center> <form action="/hello" method="post"> user<input type="text" name="user"><br> password<input type="password" name=" 阅读全文
posted @ 2022-01-17 14:31 谢远栋 阅读(42) 评论(0) 推荐(0)
摘要: conf文件夹中的server.xml 改成任意数,通常是1 阅读全文
posted @ 2022-01-14 13:20 谢远栋 阅读(574) 评论(0) 推荐(0)
摘要: 一看C:\Users\Administrator\.m2下没有settings.xml文件,手动创建,并修改了阿里镜像 <?xml version="1.0" encoding="UTF-8"?> <!--Licensed to the Apache Software Foundation (ASF 阅读全文
posted @ 2021-12-28 19:34 谢远栋 阅读(2163) 评论(0) 推荐(0)
摘要: 1 while (resultSet.next()) { 2 String id = resultSet.getString("id"); 3 String name = resultSet.getString("name"); 4 String gender = resultSet.getStri 阅读全文
posted @ 2021-12-22 00:09 谢远栋 阅读(73) 评论(0) 推荐(0)