14、If a serializable class does not explicitly declare a serialVersionUID, then the serialization runtime will calculate a default serialVersionUID value for that class based on various aspects of the class, as described in the Java(TM) Object Serialization Specification. However, it is strongly ...
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1、Servlet简介 JavaServlet 是运行在 Web 服务器或应用服务器上的程序,它是作为来自 Web 浏览器或其他 HTTP 客户端的请求和 HTTP 服务器上的数据库或应用程序之间的中间层。使用 Servlet,可以收集来自网页表单的用户输入,呈现来自数据库或者其他源的记录,还可以动态创建网页。 Servlet是sun公司提供的一门用于开发动...
JavaServlet 是运行在 Web 服务器或应用服务器上的程序,它是作为来自 Web 浏览器或其他 HTTP 客户端的请求和 HTTP 服务器上的数据库或应用程序之间的中间层。使用 Servlet,可以收集来自网页表单的用户输入,呈现来自数据库或者其他源的记录,还可以动态创建网页。 Servlet是sun公司提供的一门用于开发动态web资源的技术。
package com.howtodoinjava.servlets; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; ...
ServletResponse.setContentType(java.lang.String) getLastModified protected long getLastModified(HttpServletRequest req) Returns the time the HttpServletRequest object was last modified, in milliseconds since midnight January 1, 1970 GMT. If the time is unknown, this method returns a negative number (...
Invoking other web resources. The Java Servlet technology mechanisms that allow a web component to invoke other web resources are described inInvoking Other Web Resources. Using Scope Objects Collaborating web components share information by means of objects that are maintained as attributes of four sc...
equals(METHOD_TRACE)) { doTrace(req,resp); } else { // // Note that this means NOservlet supports whatever // method was requested, anywhereon this server. // String errMsg = lStrings.getString("http.method_not_implemented"); Object[] errArgs = newObject[1]; errArgs[0] = method...
1.支持异步http请求聚合, 然后用 select * from id in (httpRequestList). 示例:https://github.com/wangzihaogithub/spring-boot-protocol# com.github.netty.http.example.HttpGroupByApiController.java 2.支持异步零拷贝。sendFile, mmap. 示例:https://github.com/wangzihaogithub/spring-boot-protocol# com...
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