Quickly build a JSF environment...

The first step is to place the jsf jar file in the correct position...

Directory/File	Description
Tutorial	Project catalog
/Ant	Ant Script directory. The default value is build. xml.
/Src	Java source file, directory where the. properties file is located.
/Public_html	The directory where dynamic web pages such as JSP and JSF are located.
WEB-INF	The configuration files and class libraries used for running web applications are invisible to browsers.
/Classes	The output directory of the compiled Java source file.
/Lib	The class library that the project depends on.
Jsf-impl.jar Jsf-api.jar	JSF 1.1 class library, of course, there are some jar files of the Jakarta common class library!
Web. xml	Web application deployment configuration file
Faces-config.xml	JSF configuration file
Pages	JSP, JSF, and HTML

Then, modify the web. XML, please note that if the web. if the XML format is version = "2.4", you do not need to display the TLD file used by the specified taglib... we only need to add the definition related to the jsf servlet:

<? XML version = "1.0" encoding = "UTF-8"?> <Web-app xmlns = "http://java.sun.com/xml/ns/j2ee" xmlns: xsi = "http://www.w3.org/2001/XMLSchema-instance" xsi: schemalocation = "http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd" version = "2.4"> <Description> J2EE Tutorial Project </description> <Display-Name> tutorial </display-Name> <Session-config> <Session-timeout> 30 </session-timeout> </Session-config> <Servlet> <Servlet-name> Faces Servlet </servlet-name> <Servlet-class> javax. faces. webapp. FacesServlet </servlet-class> <Load-on-startup> 1 </load-on-startup> </Servlet> <Servlet-mapping> <Servlet-name> Faces Servlet </servlet-name> <Url-pattern> *. faces </url-pattern> </Servlet-mapping> <Welcome-file-list> <Welcome-file> index. jsp </welcome-file> </Welcome-file-list> </Web-app>

Then add a WEB-INF under the/faces-config.xml with the following content:

<? Xml version = "1.0" encoding = "UTF-8"?> <! DOCTYPE faces-config PUBLIC "-// Sun Microsystems, Inc. // DTD JavaServer Faces Config 1.1 // EN" "http://java.sun.com/dtd/web-facesconfig_1_1.dtd"> <Faces-config xmlns = "http://java.sun.com/JSF/Configuration"> <Managed-bean> <Managed-bean-name> userBean </managed-bean-name> <Managed-bean-class> tutorial. beans. UserBean </managed-bean-class> <Managed-bean-scope> request </managed-bean-scope> <Managed-property> <Property-name> username </property-name> <Property-class> java. lang. String </property-class> <Value> Shark Wang </value> </Managed-property> </Managed-bean> <Navigation-rule> <From-view-id>/pages/login. jsp </from-view-id> <Navigation-case> <From-outcome> greeting </from-outcome> <To-view-id>/pages/greeting. jsp </to-view-id> </Navigation-case> </Navigation-rule> </Faces-config>

After completing the above steps, JSF will not be automatically started. We need a JSP to start the JSF... index. jsp Code as follows:

<% @ Page pageEncoding = "UTF-8" %> <Jsp: forward page = "/pages/login. faces"/>

Start to run... find a dizzy error:

ApplicationDispatcher [/Tutorial]: Servlet. service () for servlet Faces Servlet threw exception Java. lang. NoClassDefFoundError: javax/servlet/jsp/jstl/core/Config At com. sun. faces. application. ViewHandlerImpl. renderView (ViewHandlerImpl. java: 140) At com.sun.faces.lifecycle.RenderResponsePhase.exe cute (RenderResponsePhase. java: 87) At com. sun. faces. lifecycle. LifecycleImpl. phase (LifecycleImpl. java: 200) At com. sun. faces. lifecycle. LifecycleImpl. render (LifecycleImpl. java: 117) At javax. faces. webapp. FacesServlet. service (FacesServlet. java: 198)

Originally, JSF still relied on jstl ~~~ Not mentioned in the jsf document. .. depressing. After jstl's jstl. jar and standard. jar are added, everything will be okay!