我使用JSF 2.0和Apache Tomcat Server版本8.我有一个简单的JSF程序,由两个页面组成。在第一个用户输入他的名字并点击一个按钮,将用户带到第二页,显示" welcome"以及用户在第一页中输入的名称。这里的关键点是我尝试使用常规的html标签而不是JSF标签。所以,我正在使用:
<input type="text" id="myname" class="form-control" jsf:id="myname" jsf:value="#{testBean.name}">
而不是:
<h:inputText value="#{testBean.name}" />
但是,执行程序时,我在第二页中看到的唯一内容是&#34; welcome&#34;,该名称不会出现。
有没有人知道它为什么不起作用?我使用&#34; jsf:id和jsf:value&#34;正常?
代码如下:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:jsf="http://xmlns.jcp.org/jsf"
xmlns:ui="http://java.sun.com/jsf/facelets"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:p="http://primefaces.org/ui"
xmlns:pe="http://primefaces.org/ui/extensions"
lang="en">
<h:head>
<meta charset="utf-8"></meta>
<meta http-equiv="X-UA-Compatible" content="IE=edge"></meta>
<meta name="viewport" content="width=device-width, initial-scale=1"></meta>
<!-- The above 3 meta tags *must* come first in the head; any other head content must come *after* these tags -->
<title> Faculty </title>
<title>Bootstrap 101 Template</title>
<link href="bootstrap/css/bootstrap.css" rel="stylesheet" type="text/css" />
<link href="arabicfonts/arabicfont.css" rel="stylesheet" type="text/css" />
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
<script type="text/javascript" src="bootstrap/js/bootstrap.js"></script>
</h:head>
<f:view>
<h:body>
<h:form>
<div class="container-fluid">
<div class="row">
<div class="col-md-4 col-md-offset-4">
<div class="panel panel-primary">
<div class="panel-heading text-center">
Updating Faculty
</div>
<div class="panel-body">
<div class="form-group">
<label for="myname" class="control-label"> My name is </label>
<div>
<input type="text" id="myname" class="form-control" jsf:id="myname" jsf:value="#{testBean.name}">
</input>
</div>
</div>
</div>
<div class="panel-footer">
<div class="text-center">
<h:commandButton class="btn btn-success" value="Do it" action="welcome"/>
</div>
</div>
</div>
</div>
</div>
</div>
</h:form>
</h:body>
</f:view>
</html>
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:h="http://java.sun.com/jsf/html">
<h:head>
<title>Welcome</title>
</h:head>
<h:body>
<h3>Welcome #{testBean.name}</h3>
</h:body>
</html>
import java.io.Serializable;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.SessionScoped;
@ManagedBean(name="testBean")
@SessionScoped
public class TestBean implements Serializable
{
private String name;
public String getName() { return name; }
public void setName(String newValue) { name = newValue; }
}