随笔分类 -  jsp

摘要:@WebFilter("/*") //注解配置过滤路径 public class LoginFilter implements Filter { @Override public void doFilter(ServletRequest servletRequest, ServletResponse 阅读全文
posted @ 2020-03-04 16:46 Jason–json 阅读(456) 评论(0) 推荐(0)
摘要:目的:将从数据库取到的值,放入下拉框标签中 步骤: 1.发送Ajax求情到后台; 2.取到值; 3.遍历循环; 4.追加节点。 <%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> 阅读全文
posted @ 2020-03-04 13:56 Jason–json 阅读(801) 评论(0) 推荐(0)