}//获得clazz类定义的所有方法Method[] methods =clazz.getDeclaredMethods();//获取WebServlet这个Annotation的实例WebServlet annotationInstance = clazz.getAnnotation(WebServlet.class);//获取注解上配置的初始化参数数组WebInitParam[] initParamArr =annotationInstance.initParams(); Map<String, String> initParamM...
5、In addition to the life-cycle methods, this interface provides the getServletConfig method, which the servlet can use to get any startup information, and the getServletInfo method, which allows the servlet to return basic information about itself, such as author, version, and copyright. 1...
javax.servlet.SingleThreadModel API及其翻译 Ensures that servlets handle only one request at a time. This interface has no methods. 确保servlet每次只处理一项请求。接口不含方法。 If a servlet implements this interface, you areguaranteedthat no two threads will execute concurrently in the servlet'sserv...
Methods inherited from class javax.servlet.GenericServlet destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, init, log, log Methods inherited from class java.lang.Object clone, equals, finalize, getClass, hashCode, notify, notifyAll...
Ensures that servlets handle only one request at a time. This interface has no methods. 确保servlet每次只处理一项请求。接口不含方法。 If a servlet implements this interface, you are guaranteed that no two threads will execute concurrently in the servlet's service method. The servlet container can...
This interface defines methods to initialize a servlet, to service requests, and to remove a servlet from the server. These are known as life-cycle methods and are called in the following sequence: The servlet is constructed, then initialized with the init method. Any calls from clients to...
Chapter 1. Servlet Methods and Life Cycle Terms you'll need to understand: Redirection Servlet life cycle Servlet forwarding and includes Servlet attribute Context parameters Application session GET, POST, … - Selection from Java™ 2 Enterprise Editi
Servlet是使用Java语言编写的运行在服务器端的程序。狭义的Servlet是指Java语言实现的一个接口,广义的Servlet是指任何实现了这个Servlet接口的类,一般情况下,人们将Servlet理解为后者。Servlet 主要用于处理客户端传来的 HTTP 请求,并返回一个响应,它能够处理的请求有doGet和doPost等方法 ...
A context normally has one or more wrappers, in which each wrapper represents a servlet definition. This chapter will now look at the standard implementation of the Wrapper interface in Catalina. It starts by explaining the sequence of methods that get invoked for each HTTP request and continues...
Servlet 默认是单例模式,在web容器中只创建一个实例,所以多个线程同时访问servlet的时候,Servlet是线程不安全的。 那么 web 容器能为每个请求创建一个Servlet的实例吗?当然是可以的,只要Servlet实现SingleThreadModel接口,就可以了。 SingleThreadModel 该接口为每次请求创建一个servlet实例。此接口没有方法,跟Serializable接口...