JSF框架使用示例.rar_JSF

/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package com.library.entity; /** * * @author 窦星磊 */ import java.util.*; import javax.faces.bean.ManagedBean; import javax.faces.bean.RequestScoped; import javax.faces.application.FacesMessage; import javax.faces.component.UIComponent; import javax.faces.context.FacesContext; import javax.faces.validator.*; import java.util.Date; import javax.faces.component.html.HtmlInputSecret; @ManagedBean @RequestScoped public class Utils{ private Date today; private String email; private String password; private String passwordagain; private String difficulty; private static List<User> userlist=new LinkedList<User>();; public Utils(){ today=new Date(); email=""; password=""; passwordagain=""; difficulty=""; } public Date getToday(){ return today; } public void setToday(Date today){ this.today=today; } public String getEmail(){ return email; } public void setEmail(String email){ this.email=email; } public String getPassword(){ return password; } public void setPassword(String password){ this.password=password; } public String getPasswordagain(){ return passwordagain; } public void setPasswordagain(String passwordagain){ this.passwordagain=passwordagain; } public String getDifficulty(){ return difficulty; } public void setDifficulty(String difficulty){ this.difficulty=difficulty; } public String loginValidate(){ if(userlist.isEmpty()){ return "failure"; } for(User u:userlist){ if(u.getEmail().equals(email) && u.getPassword().equals(password)){ return "success"; } } return "failure"; } public String signup(){ User user=new User(); user.setEmail(email); user.setPassword(password); userlist.add(user); return "done"; } public void emailRepeatValidate(FacesContext context, UIComponent component, Object value) throws ValidatorException { if(userlist.isEmpty()){ return; } for(User u:userlist){ if(u.getEmail().equals(value.toString().trim())){ FacesMessage msg = new FacesMessage("邮箱已被注册过。"); msg.setSeverity(FacesMessage.SEVERITY_ERROR); throw new ValidatorException(msg); } } } public void passwordNotSameValidate(FacesContext context, UIComponent component, Object value) throws ValidatorException { UIComponent c = null; for(UIComponent ui : component.getParent().getChildren()){ if("password".equals(ui.getId())){ c = ui; break; } } HtmlInputSecret htmlInputSecret = (HtmlInputSecret)c; if (!value.toString().trim().equals(htmlInputSecret.getValue())) { FacesMessage msg = new FacesMessage("两次密码输入不一致！"); throw new ValidatorException(msg); } } }