javax.servlet
接口 ServletConfig

所有已知实现类：

CGI, ConcatServlet, DefaultServlet, GenericServlet, HttpJspBase, HttpServlet, Invoker, JspPropertyGroupServlet, JspServlet, NoJspServlet, ServletHolder.Config, StatisticsServlet, WebSocketServlet

public interface ServletConfig

A servlet configuration object used by a servlet container to pass information to a servlet during initialization.

方法摘要

String	getInitParameter(String name) Gets the value of the initialization parameter with the given name.
Enumeration<String>	getInitParameterNames() Returns the names of the servlet's initialization parameters as an Enumeration of String objects, or an empty Enumeration if the servlet has no initialization parameters.
ServletContext	getServletContext() Returns a reference to the ServletContext in which the caller is executing.
String	getServletName() Returns the name of this servlet instance.

方法详细信息

getServletName

String getServletName()

Returns the name of this servlet instance. The name may be provided via server administration, assigned in the web application deployment descriptor, or for an unregistered (and thus unnamed) servlet instance it will be the servlet's class name.

返回：

the name of the servlet instance

getServletContext

ServletContext getServletContext()

Returns a reference to the ServletContext in which the caller is executing.

返回：

a ServletContext object, used by the caller to interact with its servlet container

另请参见：

ServletContext

getInitParameter

String getInitParameter(String name)

Gets the value of the initialization parameter with the given name.

参数：

name - the name of the initialization parameter whose value to get

返回：

a String containing the value of the initialization parameter, or null if the initialization parameter does not exist

getInitParameterNames

Enumeration<String> getInitParameterNames()

Returns the names of the servlet's initialization parameters as an Enumeration of String objects, or an empty Enumeration if the servlet has no initialization parameters.

返回：

an Enumeration of String objects containing the names of the servlet's initialization parameters