在WEB.XML文件中設(shè)置參數(shù): <?xml version="1.0" encoding="ISO-8859-1"?> <!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "<web-app>
<servlet> <servlet-name> myjsp </servlet-name> <jsp-file> /MyJsp.jsp </jsp-file> <init-param> <param-name>firstparam</param-name> <param-value>firstparamvalue</param-value> </init-param> </servlet>
<servlet-mapping> <servlet-name> myjsp </servlet-name> <url-pattern> /myurl/* </url-pattern> </servlet-mapping>
</web-app>
下面的程序無法取出在WEB.XML中定義的參數(shù)firstparam的值firstparamvalue <html> <HEAD><TITLE>my jsp page .jsp</TITLE></HEAD> My init parameter is <%= application.getInitParameter("firstparam") %> </html>
下面的程序就可以取出在WEB.XML中定義的參數(shù)firstparam的值firstparamvalue <% String Str1; Str1=config.getInitParameter("firstparam"); Out.println(Str1); %>
因為config是類javax.servlet.ServletConfig的對象,而application 是類 javax.servlet.ServletContext的對象. 如果指定WebLogic SERVER的偵聽端口為80,那么在IE中就不用輸入端口 http://hostname/myfile.html取代http://hostname:portnumber/myfile.html. |