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JSF学习五Ajax

2024-07-28 15:18:20   220人阅读

验证用户名(不能有下划线)和密码（不能小于六位）

1.UserBean.java
package ajax;

import java.io.Serializable;

import javax.faces.application.FacesMessage;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.SessionScoped;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.validator.ValidatorException;

@ManagedBean(name="ajax")
@SessionScoped
public class UserBean implements Serializable {

	private String name="";
	private String password;
	
	
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public String getPassword() {
		return password;
	}
	public void setPassword(String password) {
		this.password = password;
	}
	
	public void validateName(FacesContext fc,UIComponent c,Object value){
		if(((String)value).contains("_")){
			throw new ValidatorException(new  FacesMessage("Name cannot contain underscores!"));
		}
	}
	public void validatePassword(FacesContext fc,UIComponent c,Object value){
		if(((String)value).length()<6){
			throw new ValidatorException(new  FacesMessage("Password at least six words!"));
		}
	}
}


2.hello.xhtml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
		xmlns:h="http://java.sun.com/jsf/html"
		xmlns:f="http://java.sun.com/jsf/core">
<h:head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Insert title here</title>
</h:head>
<h:body>
	<h:form>
	<p>
		<h:outputText value=http://www.mamicode.com/"Name"/>>

3.运行结果如下


JSF学习五Ajax


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