@Autowired注入的Httprequest如何保证线程安全

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VIP免费原创最新推荐文章于 2026-08-22 15:48:27 发布 829 阅读 AI 写同款· GEO 优化 ›

Spring源码解读：Spring注入Request原理文章目录前言一、来个例子二、解析一下1. 为啥会打印Current HttpServletRequest2. 既然是Spring注入的对象，为啥能做到动态变化3. 为啥此ObjectFactory.getObject()能够拿到不停变化的对象总结前言之前我在这篇文章说过Spring往容器里管理了Request对象，所以你可以在spring的任何实例里面注入HTTPRequest对象。具体是怎么实现的呢？今天就来更详细地分析下~ 一、来个例子示例：pandas 是基于NumPy 的一种工具，该工具是阅读详情

@Autowired基于JDK动态代理对象

AutowireUtils.ObjectFactoryDelegatingInvocationHandler

AutowireUtils：
	
	private static class ObjectFactoryDelegatingInvocationHandler implements InvocationHandler, Serializable {

		private final ObjectFactory<?> objectFactory;
		public ObjectFactoryDelegatingInvocationHandler(ObjectFactory<?> objectFactory) {
			this.objectFactory = objectFactory;
		}

		@Override
		public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
			String methodName = method.getName();
			if (methodName.equals("equals")) {
				return (proxy == args[0]);
			} else if (methodName.equals("hashCode")) {
				return System.identityHashCode(proxy);
			} else if (methodName.equals("toString")) {
				return this.objectFactory.toString();
			}
		
			// 执行目标方法。注意：目标实例对象是objectFactory.getObject()
			try {
				return method.invoke(this.objectFactory.getObject(), args);
			} catch (InvocationTargetException ex) {
				throw ex.getTargetException();
			}
		}
	}

spring中，请求统一处理入口，在这里获取HttpRequest

protected final void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        long startTime = System.currentTimeMillis();
        Throwable failureCause = null;
        LocaleContext previousLocaleContext = LocaleContextHolder.getLocaleContext();
        LocaleC