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【笔记】Servlet快速入门

 1 year ago
source link: https://feiju12138.github.io/2022/09/29/Servlet%E5%BF%AB%E9%80%9F%E5%85%A5%E9%97%A8/
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Servlet快速入门

  • 创建Web项目，引入Servlet依赖

pom.xml

<dependency>
  <groupId>javax.servlet</groupId>
  <artifactId>javax.servlet-api</artifactId>
  <version>3.1.0</version>
  <scope>provided</scope>
</dependency>

创建一个类

  • 创建一个类，实现servlet接口，当接收到请求时，会自动执行service()方法

@WebServlet("")：定义访问路径

package com;

import javax.servlet.Servlet;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebServlet;
import java.io.IOException;

@WebServlet("/test")
public class MyServlet implements Servlet {

public void init(ServletConfig servletConfig) throws ServletException {

}

public ServletConfig getServletConfig() {
        return null;
    }

public void service(ServletRequest servletRequest, ServletResponse servletResponse) throws ServletException, IOException {
        System.out.println("test");
    }

public String getServletInfo() {
        return null;
    }

public void destroy() {

}
}

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