beanutils和convertUtils（日期轉換器）

javaBean

package com.deng.domain;

import java.util.Date;

public class User {
    private int id;
    private String username;
    private String password;
    private String email;
    private Date birthday;
    public int getId() {
        return id;
    }
    public void setId(int id) {
        this.id = id;
    }
    public String getUsername() {
        return username;
    }
    public void setUsername(String username) {
        this.username = username;
    }
    public String getPassword() {
        return password;
    }
    public void setPassword(String password) {
        this.password = password;
    }
    public String getEmail() {
        return email;
    }
    public void setEmail(String email) {
        this.email = email;
    }
    public Date getBirthday() {
        return birthday;
    }
    public void setBirthday(Date birthday) {
        this.birthday = birthday;
    }
    
}

register.jsp

    <form action="${pageContext.request.contextPath }/servlet/regServlet" method="post">
        用戶名：<input type="text" name="username" value="${uf.username }"/>${uf.msg.username }${error }<br/>
        密碼：<input type="password" name="password" />${uf.msg.password }<br/>
        確認密碼：<input type="password" name="repassword"/>${uf.msg.repassword }<br/>
        油箱：<input type="text" name="email" value="${uf.email }"/>${uf.msg.email }<br/>
        生日：<input type="text" name="birthday" value="${uf.birthday }"/>${uf.msg.birthday }<br/>
        <input type="submit" value="注冊"/><br/>

regservlet

User u = new User();
        try {
            BeanUtils.populate(u, request.getParameterMap());
        } catch (Exception e1) {
            e1.printStackTrace();
        }


User user = new User();
        try {
            /*
             * ConvertUtils.register(new Converter() {//注冊一個日期轉換器
             * 
             * public Object convert(Class type, Object value) { Date date1 =
             * null; if(value instanceof String){ String date = (String) value;
             * SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); try {
             * date1 = sdf.parse(date); } catch (ParseException e) {
             * e.printStackTrace(); } } return date1; } }, Date.class);
             */
            ConvertUtils.register(new DateLocaleConverter(), Date.class);

 

     //處理時間格式
                DateConverter dateConverter = new DateConverter();
                //設置日期格式
                dateConverter.setPatterns(new String[]{"yyyy-MM-dd","yyyy-MM-dd HH:mm:ss"});
                //注冊格式
                ConvertUtils.register(dateConverter, Date.class);
                //封裝數據
                BeanUtils.populate(bean, properties);