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首先抱歉我的英语不好，我不会说英语，我有一个小型 JSF 2.3 maven 项目，我用它来测试 primefaces，但目前它不能正确显示多个标签，例如 p:inputText 我复制了代码来自 PrimeFaces 展示。目前我正在使用 Eclipse 4.12。

这是来自 xhtml 渲染的图片。

图片

这是我的 index.xhtml

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml"
    xmlns:ui="http://xmlns.jcp.org/jsf/facelets"
    xmlns:f="http://xmlns.jcp.org/jsf/core"
    xmlns:h="http://xmlns.jcp.org/jsf/html"
    xmlns:p="http://primefaces.org/ui">
<h:head>
    <title>Example</title>
</h:head>
<h:body>
    <h:form>
        <h3>Floating Label</h3>
        <span class="ui-float-label"> <p:inputText id="float-input"
                value="#{user.name}" /> <p:outputLabel
                for="@previous" value="Username" />
        </span>
    </h:form>
</h:body>
</html>

面孔-config.xml

<?xml version="1.0" encoding="UTF-8"?>
<faces-config xmlns="http://xmlns.jcp.org/xml/ns/javaee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-facesconfig_2_3.xsd"
    version="2.3">
</faces-config>

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns="http://xmlns.jcp.org/xml/ns/javaee"
    xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
    version="4.0">
    <display-name>SDUYR</display-name>
    <welcome-file-list>
        <welcome-file>index.xhtml</welcome-file>
        <welcome-file>Index.xhtml</welcome-file>
    </welcome-file-list>
    <context-param>
        <param-name>javax.faces.FACELETS_REFRESH_PERIOD</param-name>
        <param-value>0</param-value>
    </context-param>
    <context-param>
        <param-name>javax.faces.PROJECT_STAGE</param-name>
        <param-value>Development</param-value>
    </context-param>
    <context-param>
        <param-name>javax.faces.validator.ENABLE_VALIDATE_WHOLE_BEAN</param-name>
        <param-value>true</param-value>
    </context-param>
    <context-param>
        <param-name>javax.faces.ENABLE_CDI_RESOLVER_CHAIN</param-name>
        <param-value>true</param-value>
    </context-param>
    <context-param>
        <param-name>javax.faces.ENABLE_WEBSOCKET_ENDPOINT</param-name>
        <param-value>true</param-value>
    </context-param>
    <context-param>
        <param-name>javax.faces.INTERPRET_EMPTY_STRING_SUBMITTED_VALUES_AS_NULL</param-name>
        <param-value>true</param-value>
    </context-param>
    <context-param>
        <param-name>javax.faces.WEBAPP_RESOURCES_DIRECTORY</param-name>
        <param-value>/WEB-INF/resources</param-value>
    </context-param>
    <context-param>
        <param-name>primefaces.FONT_AWESOME</param-name>
        <param-value>true</param-value>
    </context-param>
    <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>*.xhtml</url-pattern>
    </servlet-mapping>
    <session-config>
        <session-timeout>30</sessi[enter link description here][1]on-timeout>
    </session-config>
</web-app>

使用的maven依赖

<dependency>
    <groupId>org.primefaces</groupId>
    <artifactId>primefaces</artifactId>
    <version>7.0</version>
</dependency>
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1 回答 1

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浮动标签在 7.0 中不可用，但在 7.1 中，请参阅：https ://github.com/primefaces/primefaces/issues/4777

于 2019-07-25T07:09:57.860 回答