X65535JavaWeb部分01

• Tomcat基础入门1
• Tomcat基础入门2
• Tomcat基础入门3
• Servlet基础1
• 通过实现Servlet接口处理get和post请求
• 通过继承HttpServlet类实现Servlet程序

package com.bilibili.Is;

import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;

public class Is2 implements Servlet {
    public Is2() {
    }

    @Override
    public void init(ServletConfig servletConfig) throws ServletException {

    }

    @Override
    public ServletConfig getServletConfig() {
        return null;
    }

    
    @Override
    public void service(ServletRequest servletRequest, ServletResponse servletResponse) throws ServletException, IOException {
        System.out.println("visited");
        
        HttpServletRequest httpServletRequest = (HttpServletRequest) servletRequest;
        String method = httpServletRequest.getMethod();

        if ("GET".equals(method)) {
            
            doGet();
        }else {
            doPost();
        }
    }

    
    public void doGet() {
        System.out.println("GET CODING");
    }

    
    public void doPost() {
        System.out.println("POST CODING");
    }

    @Override
    public String getServletInfo() {
        return null;
    }

    @Override
    public void destroy() {

    }
}

package com.bilibili.Is;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

public class Is3 extends HttpServlet {
    

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        // super.doGet(req, resp);
        System.out.println("GET METHOD");
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        // super.doPost(req, resp);
        System.out.println("POST METHOD");
    }
}

	
        Is3
        com.idea.Is.Is3
    

    
        Is3
        /real