<?xml version="1.0" encoding="UTF-8"?>
<!--
To change this template, choose Tools | Templates
and open the template in the editor.
-->
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:h="http://xmlns.jcp.org/jsf/html"
xmlns:p="http://primefaces.org/ui"
xmlns:f="http://xmlns.jcp.org/jsf/core">
<f:view>
<h:head>
<title>Admin Welcome</title>
<!-- this is the javascript part! -->
<script>
function validateForm()
{
if(document.form.firstname.value=="" || document.form.lastname.value=="" || document.form.mobileno.value=="")
{
alert("first/lastname/mobile number should not be left blank");
document.userreg.fname.focus();
return false;
}
if(!isNaN(document.form.firstname.value) || !isNaN(document.form.lastname.value) )
{
alert("Please Enter Only Characters for first/last names");
return false;
}
if(isNaN(document.form.mobileno.value))
{
alert("please enter only Numbers for mobile number")
return false;
}
}
</script>
</h:head>
<h:body>
Welcome admin!
<center><h1>User Registration Form</h1></center>
<center><h:form id="form">
<p:panel id="panel">
<p:messages id="msgs"/>
<h:panelGrid columns="3" >
<h:panelGroup>
<h:outputLabel for="firstname" value="firstname: *" />
<p:inputText id="firstname" value="#{userBean.firstname}" required="true" label="firstname">
</p:inputText>
<br></br> <br></br>
<h:outputLabel for="lastname" value="lastname: *" />
<p:inputText id="lastname" value="#{userBean.lastname}" label="lastname" required="true">
</p:inputText>
<br></br><br></br>
<h:outputLabel for="mobileno" value="mobileno: *" />
<p:inputText id="mobileno" value="#{userBean.mobileno}" label="mobileno" required="true">
</p:inputText>
</h:panelGroup>
</h:panelGrid>
<br></br>
<p:commandButton ajax="false" id="btn" value="submit" type='submit' onclick="return validateForm()" />
<p:commandButton value="reset" type="reset" />
</p:panel>
</h:form></center>
</h:body>
</f:view>
</html>
javascript部分没有被执行。为什么?