首页 > 代码库 > JSF学习五Ajax
JSF学习五Ajax
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
声明:以上内容来自用户投稿及互联网公开渠道收集整理发布,本网站不拥有所有权,未作人工编辑处理,也不承担相关法律责任,若内容有误或涉及侵权可进行投诉: 投诉/举报 工作人员会在5个工作日内联系你,一经查实,本站将立刻删除涉嫌侵权内容。