Servelt从web.xml中取得参数
web.xml
<servlet><!--全局 <context-param> <param-name>pageSize</param-name> <param-value>5</param-value> </context-param>--> <servlet-name>SearchItemServlet</servlet-name> <servlet-class>com.hugui.drp.basedata.web.SearchItemServlet</servlet-class> <init-param> <param-name>pageSize</param-name> <param-value>5</param-value> </init-param> </servlet> <servlet-mapping> <servlet-name>SearchItemServlet</servlet-name> <url-pattern>/servlet/item/SearchItemServlet</url-pattern> </servlet-mapping>
SearchItemServlet.java
String pageSize = this.getServletConfig().getInitParameter("pageSize");//对应取全局变量this.getServletContext().getInitParameter("pageSize");