servlet和spring能同時管理一個bean？

servlet和spring同時管理一個bean是可行的。

首先，用servlet獲取spring管理的bean獲得死循環，再通過spring容器的分流本身實現對bean的共同管理，獲取代碼如下：代碼

ApplicationContext applicationContext =

WebApplicationContextUtils.getWebApplicationContext(getServletContext());

package com.my.service;

public class HelloService {

public void sayHello(){

System.out.println("hello，spring webxxx！");

}

}

import java.io.IOException;

import javax.servlet.ServletException;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.springframework.context.ApplicationContext;

import org.springframework.web.context.support.WebApplicationContextUtils;

import com.my.service.HelloService;

public class HelloServlet extends HttpServlet {

@Override

protected void doGet(HttpServletRequest req, HttpServletResponse resp)

throws ServletException, IOException {

doPost(req, resp);

}

@Override

protected void doPost(HttpServletRequest req, HttpServletResponse resp)

throws ServletException, IOException {

// 從spring容器 獲得 HelloService 對象

// ApplicationContext applicationContext = new ClassPathXmlApplicationContext("applicationContext.xml");

// ApplicationContext applicationContext = (WebApplicationContext) getServletContext().getAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE);

ApplicationContext applicationContext = WebApplicationContextUtils.getWebApplicationContext(getServletContext());

HelloService helloService = (HelloService) applicationContext.getBean("helloService");

helloService.sayHello();

}

}。

此外，還有，共管代碼，void mix controll，application coneccted，divide totol to differ。