springboot整合Web基础组件

最新推荐文章于 2025-05-26 10:50:39 发布

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最新推荐文章于 2025-05-26 10:50:39 发布

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分类专栏： SpringBoot 文章标签： servlet spring java

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本文详细介绍如何在SpringBoot项目中整合自定义Servlet、Filter和Listener，通过具体代码实例演示了MyServlet、MyFilter和MyRequestListener的创建及配置过程。访问特定URL触发组件执行，输出结果验证整合成功。

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springboot整合Web基础组件

在启动类父亲中新建MyServlet

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.IOException;

@WebServlet(urlPatterns = "/myservlet")
public class MyServlet  extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        System.out.println("MyServlet");
    }
}

再新建MyFilter.java

package servlet;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import java.io.IOException;
@WebFilter(urlPatterns = "/*")
public class MyFilter implements Filter {
    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        System.out.println("MyFilter");
        filterChain.doFilter(servletRequest,servletResponse );
    }
}

再新建MyRequestListener

package servlet;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import java.io.IOException;
@WebFilter(urlPatterns = "/*")
public class MyFilter implements Filter {
    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        System.out.println("MyFilter");
        filterChain.doFilter(servletRequest,servletResponse );
    }
}