struts2中jsp页面遍历map对象
2013-07-18 15:45
330 查看
MapAction.java
Java代码
package com.zx.demo.action;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import com.opensymphony.xwork2.ActionSupport;
import com.zx.demo.model.Product;
import com.zx.demo.model.Student;
public class MapAction extends ActionSupport
{
private Map<String,String> map;
private Map<String,Student> studentMap;
private Map<String,String[]> arrayMap;
private Map<String,List<Student>> listMap;
public String testMap()
{
map=new HashMap<String,String>();
map.put("1", "one");
map.put("2", "two");
studentMap=new HashMap<String,Student>();
studentMap.put("student1",new Student(new Long(1),"20034140201","张三1","男",25));
studentMap.put("student2",new Student(new Long(2),"20034140202","张三2","女",26));
studentMap.put("student3",new Student(new Long(3),"20034140202","张三3","男",27));
arrayMap=new HashMap<String,String[]>();
arrayMap.put("arr1", new String[]{"1","2003401","leejie","male","20"});
arrayMap.put("arr2", new String[]{"2","2003402","huanglie","male","25"});
arrayMap.put("arr3", new String[]{"3","2003403","lixiaoning","male","21"});
listMap=new HashMap<String,List<Student>>();
List<Student> list1=new ArrayList<Student>();
list1.add(new Student(new Long(1),"20034140201","张三1","男",25));
list1.add(new Student(new Long(2),"20034140202","张三2","男",25));
list1.add(new Student(new Long(3),"20034140203","张三3","男",25));
listMap.put("class1", list1);
List<Student> list2=new ArrayList<Student>();
list2.add(new Student(new Long(1),"20034140301","李四1","男",20));
list2.add(new Student(new Long(2),"20034140302","李四2","男",21));
list2.add(new Student(new Long(3),"20034140303","李四3","男",22));
list2.add(new Student(new Long(4),"20034140304","李四4","男",23));
listMap.put("class2", list2);
return SUCCESS;
}
public Map<String, String> getMap() {
return map;
}
public void setMap(Map<String, String> map) {
this.map = map;
}
public Map<String, Student> getStudentMap() {
return studentMap;
}
public void setStudentMap(Map<String, Student> studentMap) {
this.studentMap = studentMap;
}
public Map<String, String[]> getArrayMap() {
return arrayMap;
}
public void setArrayMap(Map<String, String[]> arrayMap) {
this.arrayMap = arrayMap;
}
public Map<String, List<Student>> getListMap() {
return listMap;
}
public void setListMap(Map<String, List<Student>> listMap) {
this.listMap = listMap;
}
}
2.testMap.jsp
Java代码
<%@ page contentType="text/html;charset=UTF-8" %>
<%@ taglib prefix="s" uri="/struts-tags" %>
<html>
<head>
<title>struts2中的map遍历总结</title>
</head>
<body>
<b>1.map中的value为String字符串</b><br>
<s:iterator value="map" id="column">
<s:property value="#column"/><br>
key: <s:property value="key"/><br>
value:<s:property value="value"/><br>
******************************************<br>
</s:iterator>
<b>2.map中的value为Student对象</b>
<table border="1" width="50%" cellspacing="0" cellpadding="0">
<tr>
<td>key=value</td>
<td>ID</td>
<td>num</td>
<td>name</td>
<td>sex</td>
<td>age</td>
</tr>
<s:iterator value="studentMap" id="column">
<tr>
<td><s:property value="#column"/></td>
<td><s:property value="value.id"/></td>
<td><s:property value="value.num"/></td>
<td><s:property value="value.name"/></td>
<td><s:property value="value.sex"/></td>
<td><s:property value="value.age"/></td>
</tr>
</s:iterator>
</table>
<p>
<b>3.map中的value为String数组</b>
<table border="1" width="50%" cellspacing="0" cellpadding="0">
<tr>
<td>key=value</td>
<td>ID</td>
<td>num</td>
<td>name</td>
<td>sex</td>
<td>age</td>
</tr>
<s:iterator value="arrayMap" id="column">
<tr>
<td><s:property value="#column"/></td>
<td><s:property value="value[0]"/></td>
<td><s:property value="value[1]"/></td>
<td><s:property value="value[2]"/></td>
<td><s:property value="value[3]"/></td>
<td><s:property value="value[4]"/></td>
</tr>
</s:iterator>
</table>
<p>
<b>4.map中的value为list集合</b>
<table border="1" width="50%" cellspacing="0" cellpadding="0">
<tr>
<td>class</td>
<td>ID</td>
<td>num</td>
<td>name</td>
<td>sex</td>
<td>age</td>
</tr>
<s:iterator value="listMap" id="column">
<s:set name="total" value="#column.value.size"/>
<s:iterator value="#column.value" status="s">
<tr>
<s:if test="#s.first"><td rowspan="${total}"><s:property value="#column.key"/></td></s:if>
<td><s:property value="id"/></td>
<td><s:property value="num"/></td>
<td><s:property value="name"/></td>
<td><s:property value="sex"/></td>
<td><s:property value="age"/></td>
</tr>
</s:iterator>
</s:iterator>
</table>
</body>
</html>
Java代码
package com.zx.demo.action;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import com.opensymphony.xwork2.ActionSupport;
import com.zx.demo.model.Product;
import com.zx.demo.model.Student;
public class MapAction extends ActionSupport
{
private Map<String,String> map;
private Map<String,Student> studentMap;
private Map<String,String[]> arrayMap;
private Map<String,List<Student>> listMap;
public String testMap()
{
map=new HashMap<String,String>();
map.put("1", "one");
map.put("2", "two");
studentMap=new HashMap<String,Student>();
studentMap.put("student1",new Student(new Long(1),"20034140201","张三1","男",25));
studentMap.put("student2",new Student(new Long(2),"20034140202","张三2","女",26));
studentMap.put("student3",new Student(new Long(3),"20034140202","张三3","男",27));
arrayMap=new HashMap<String,String[]>();
arrayMap.put("arr1", new String[]{"1","2003401","leejie","male","20"});
arrayMap.put("arr2", new String[]{"2","2003402","huanglie","male","25"});
arrayMap.put("arr3", new String[]{"3","2003403","lixiaoning","male","21"});
listMap=new HashMap<String,List<Student>>();
List<Student> list1=new ArrayList<Student>();
list1.add(new Student(new Long(1),"20034140201","张三1","男",25));
list1.add(new Student(new Long(2),"20034140202","张三2","男",25));
list1.add(new Student(new Long(3),"20034140203","张三3","男",25));
listMap.put("class1", list1);
List<Student> list2=new ArrayList<Student>();
list2.add(new Student(new Long(1),"20034140301","李四1","男",20));
list2.add(new Student(new Long(2),"20034140302","李四2","男",21));
list2.add(new Student(new Long(3),"20034140303","李四3","男",22));
list2.add(new Student(new Long(4),"20034140304","李四4","男",23));
listMap.put("class2", list2);
return SUCCESS;
}
public Map<String, String> getMap() {
return map;
}
public void setMap(Map<String, String> map) {
this.map = map;
}
public Map<String, Student> getStudentMap() {
return studentMap;
}
public void setStudentMap(Map<String, Student> studentMap) {
this.studentMap = studentMap;
}
public Map<String, String[]> getArrayMap() {
return arrayMap;
}
public void setArrayMap(Map<String, String[]> arrayMap) {
this.arrayMap = arrayMap;
}
public Map<String, List<Student>> getListMap() {
return listMap;
}
public void setListMap(Map<String, List<Student>> listMap) {
this.listMap = listMap;
}
}
2.testMap.jsp
Java代码
<%@ page contentType="text/html;charset=UTF-8" %>
<%@ taglib prefix="s" uri="/struts-tags" %>
<html>
<head>
<title>struts2中的map遍历总结</title>
</head>
<body>
<b>1.map中的value为String字符串</b><br>
<s:iterator value="map" id="column">
<s:property value="#column"/><br>
key: <s:property value="key"/><br>
value:<s:property value="value"/><br>
******************************************<br>
</s:iterator>
<b>2.map中的value为Student对象</b>
<table border="1" width="50%" cellspacing="0" cellpadding="0">
<tr>
<td>key=value</td>
<td>ID</td>
<td>num</td>
<td>name</td>
<td>sex</td>
<td>age</td>
</tr>
<s:iterator value="studentMap" id="column">
<tr>
<td><s:property value="#column"/></td>
<td><s:property value="value.id"/></td>
<td><s:property value="value.num"/></td>
<td><s:property value="value.name"/></td>
<td><s:property value="value.sex"/></td>
<td><s:property value="value.age"/></td>
</tr>
</s:iterator>
</table>
<p>
<b>3.map中的value为String数组</b>
<table border="1" width="50%" cellspacing="0" cellpadding="0">
<tr>
<td>key=value</td>
<td>ID</td>
<td>num</td>
<td>name</td>
<td>sex</td>
<td>age</td>
</tr>
<s:iterator value="arrayMap" id="column">
<tr>
<td><s:property value="#column"/></td>
<td><s:property value="value[0]"/></td>
<td><s:property value="value[1]"/></td>
<td><s:property value="value[2]"/></td>
<td><s:property value="value[3]"/></td>
<td><s:property value="value[4]"/></td>
</tr>
</s:iterator>
</table>
<p>
<b>4.map中的value为list集合</b>
<table border="1" width="50%" cellspacing="0" cellpadding="0">
<tr>
<td>class</td>
<td>ID</td>
<td>num</td>
<td>name</td>
<td>sex</td>
<td>age</td>
</tr>
<s:iterator value="listMap" id="column">
<s:set name="total" value="#column.value.size"/>
<s:iterator value="#column.value" status="s">
<tr>
<s:if test="#s.first"><td rowspan="${total}"><s:property value="#column.key"/></td></s:if>
<td><s:property value="id"/></td>
<td><s:property value="num"/></td>
<td><s:property value="name"/></td>
<td><s:property value="sex"/></td>
<td><s:property value="age"/></td>
</tr>
</s:iterator>
</s:iterator>
</table>
</body>
</html>
相关文章推荐
- struts2中jsp页面遍历map对象
- struts2中从数据库中读取数据,并在JSP页面中遍历保存有JavaBean对象的List对象
- jsp 页面中用struts2 标签遍历集合(list map)
- struts2中从数据库中读取数据,并在JSP页面中遍历保存有JavaBean对象的List对象
- JSP页面遍历对象集合,map,数组等,Struts的s标签和c标签的区别
- Struts2标签--S:iterator----jsp页面遍历双层list
- struts2,jsp页面向action提交list对象
- 关于jsp利用EL和struts2标签来遍历ValueStack的东东 ------> List<Map<K,V>> 以及 Map<K,<List<xxx>>> 的结构遍历
- struts2 jsp页面向action提交list对象
- jsp页面遍历List<Map<String,Object>>
- struts2:JSON在struts中的应用(JSP页面中将对象转换为JSON字符串提交、JSP页面中获取后台Response返回的JSON对象)
- Struts2 页面获取参数 List,Set,Map 及调用函数和实例化对象
- Struts2页面中访问Servlet/JSP作用域对象
- jsp页面遍历后台传递的对象
- jsp页面用以foreach遍历一个属性的对象出错
- JSP页面用JSTL遍历请求参数的MAP
- struts2的s:iterator标签在jsp页面获取action中数组对象
- jsp中遍历map,通过key和code对比,将map的value显示到页面
- Struts2——将字符串、对象、list集合保存到值栈中,在jsp页面中获取的方法
- 在 JSP页面中遍历 Map<Integer, List<User>> 类型, 如何做?