<%@ page import="com.hopetesting.domain.User" %><%@ page import="java.util.*" %><%@ page contentType="text/html;charset=UTF-8" language="java" %><html><head> <title>el表达式获取对象属性</title></head><body><h1>el设置对象是属性</h1><% User user = new User(); user.setName("zmy"); user.setAge(11); user.setBirthday(new Date()); request.setAttribute("user", user);
List list = new ArrayList(); list.add("aaa"); list.add("bbb"); list.add(user); request.setAttribute("list",list);
Map map = new HashMap(); map.put("sname","light"); map.put("gender","male"); map.put("user",user); request.setAttribute("map",map);
%><h1>el获取对象属性</h1>
${requestScope.user}<br/> ${requestScope.user.name}<br/> ${user.age}<br/> ${user.birStr}
<h1>el获取list值</h1>${list[0]}<br/>${list[1]}<br/>${list[10]}<br/>${list[2].name}<br/>
<h1>el获取Map值</h1>${map.sname}<br/>${map.gender}<br/>${map.user.birStr}<br/>
</body></html>
package com.hopetesting.domain;
import java.text.SimpleDateFormat;import java.util.Date;
/** * @author newcityman * @date 2019/9/6 - 21:00 */public class User { private String name; private Integer age; private Date birthday;
public User() { }
public User(String name, Integer age, Date birthday) { this.name = name; this.age = age; this.birthday = birthday; }
public String getName() { return name; }
public Integer getAge() { return age; }
public Date getBirthday() { return birthday; }
public String getBirStr(){ if(birthday!=null){ SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); return sdf.format(birthday); }else{ return ""; }
} public void setName(String name) { this.name = name; }
public void setAge(Integer age) { this.age = age; }
public void setBirthday(Date birthday) { this.birthday = birthday; }
@Override public String toString() { return "User{" + "name=‘" + name + ‘\‘‘ + ", age=" + age + ", birthday=" + birthday + ‘}‘; }}
原文地址：https://www.cnblogs.com/newcityboy/p/11478756.html
时间： 2024-08-01 15:54:29