一、UI标签
二、简单例子
<h1>添加信息</h1> <!--通过指定theme的属性改变主题 --> <s:form action="" method="psot" theme="simple"> 房屋标题:<s:textfield id="title" name="title"></s:textfield><br/> 房屋描述:<s:textarea value="房屋介绍 ...." name="desc"></s:textarea><br/> <s:submit value="提交"></s:submit> </s:form>
或者在struts.xml中配置常量
<constant name="struts.ui.theme" value="simple" />
三、s:select
四、Ajax标签
更改模板后，要在src下建立相遇的包和文件才可以使用
五、简单例子
实体类
package com.pb.entity;
/*
* 地区类
*/
public class District {
private int districtId; //地区编号
private String districtName; //地区名称
public District() {
super();
// TODO Auto-generated constructor stub
}
public District(int districtId, String districtName) {
super();
this.districtId = districtId;
this.districtName = districtName;
}
public int getDistrictId() {
return districtId;
}
public String getDistrictName() {
return districtName;
}
public void setDistrictId(int districtId) {
this.districtId = districtId;
}
public void setDistrictName(String districtName) {
this.districtName = districtName;
}
}
package com.pb.entity;
/*
* 街道
*/
public class Street {
private int streetId; //街道ID
private String streetName; //街道名称
private District district; //街道所在地区
public Street() {
super();
// TODO Auto-generated constructor stub
}
public Street(int streetId, String streetName, District district) {
super();
this.streetId = streetId;
this.streetName = streetName;
this.district = district;
}
public District getDistrict() {
return district;
}
public int getStreetId() {
return streetId;
}
public String getStreetName() {
return streetName;
}
public void setDistrict(District district) {
this.district = district;
}
public void setStreetId(int streetId) {
this.streetId = streetId;
}
public void setStreetName(String streetName) {
this.streetName = streetName;
}
}
package com.pb.entity;
import java.util.Date;
/*
* 房屋
*/
public class House {
private int houseId; //房屋ID
private String title; //房屋标题
private String desc; //房屋描述
private Street street;//房屋所在街道
private Date addDate;//房屋发布日期
public House() {
super();
// TODO Auto-generated constructor stub
}
public House(int houseId, String title, String desc, Date addDate,
Street street) {
super();
this.houseId = houseId;
this.title = title;
this.desc=desc;
this.addDate = addDate;
this.street = street;
}
public Date getAddDate() {
return addDate;
}
public int getHouseId() {
return houseId;
}
public Street getStreet() {
return street;
}
public String getTitle() {
return title;
}
public void setAddDate(Date addDate) {
this.addDate = addDate;
}
public void setHouseId(int houseId) {
this.houseId = houseId;
}
public void setStreet(Street street) {
this.street = street;
}
public void setTitle(String title) {
this.title = title;
}
public String getDesc() {
return desc;
}
public void setDesc(String desc) {
this.desc = desc;
}
}
package com.pb.entity;
/*
* 类型
*/
public class HouseType {
private int typeId;
private String type;
public HouseType() {
super();
// TODO Auto-generated constructor stub
}
public HouseType(int typeId, String type) {
super();
this.typeId = typeId;
this.type = type;
}
public int getTypeId() {
return typeId;
}
public void setTypeId(int typeId) {
this.typeId = typeId;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
}
action
package com.pb.web.action;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import com.opensymphony.xwork2.ActionSupport;
import com.pb.entity.District;
import com.pb.entity.HouseType;
import com.pb.entity.Street;
public class AddAction extends ActionSupport {
private List<HouseType> types; // 房屋类型
private Map<District, List<Street>> map;// 地区-街道
public List<HouseType> getTypes() {
return types;
}
public void setTypes(List<HouseType> types) {
this.types = types;
}
public Map<District, List<Street>> getMap() {
return map;
}
public void setMap(Map<District, List<Street>> map) {
this.map = map;
}
public String addHouse() {
types = new ArrayList<HouseType>();
types.add(new HouseType(1, "单间"));
types.add(new HouseType(2, "一房一厅"));
types.add(new HouseType(3, "两室一厅"));
types.add(new HouseType(4, "两室两厅"));
//
// 声明地区
District dt1 = new District(75501, "宝安区");
District dt2 = new District(75502, "南山区");
// 声明街道
Street street1 = new Street(74, "布心一村", dt1);
Street street2 = new Street(25, "商业街", dt1);
Street street3 = new Street(87, "科技园", dt2);
Street street4 = new Street(99, "南头古城", dt2);
List<Street> streets1=new ArrayList<Street>();
List<Street> streets2=new ArrayList<Street>();
streets1.add(street1);
streets1.add(street2);
streets2.add(street3);
streets2.add(street4);
map=new HashMap<District, List<Street>>();
map.put(dt1, streets1);
map.put(dt2, streets2);
return SUCCESS;
}
}
package com.pb.web.action;
import java.util.Date;
import com.opensymphony.xwork2.ActionSupport;
import com.pb.entity.House;
public class HouseAction extends ActionSupport {
private String title;
private String houseType;
private String district;
private String street;
private Date addDate;
private String desc;
@Override
public String execute() throws Exception {
System.out.println(title);
System.out.println(houseType);
System.out.println(district);
System.out.println(street);
System.out.println(addDate);
System.out.println(desc);
if(title.equals("")){
return ERROR;
}
if(desc.equals("")){
return INPUT;
}
return SUCCESS;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public String getHouseType() {
return houseType;
}
public void setHouseType(String houseType) {
this.houseType = houseType;
}
public String getDistrict() {
return district;
}
public void setDistrict(String district) {
this.district = district;
}
public String getStreet() {
return street;
}
public void setStreet(String street) {
this.street = street;
}
public Date getAddDate() {
return addDate;
}
public void setAddDate(Date addDate) {
this.addDate = addDate;
}
public String getDesc() {
return desc;
}
public void setDesc(String desc) {
this.desc = desc;
}
}
struts.xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
"http://struts.apache.org/dtds/struts-2.3.dtd">
<struts>
<constant name="struts.enable.DynamicMethodInvocation" value="false" />
<constant name="struts.devMode" value="true" />
<!--struts.ui.theme -->
<package name="default" namespace="/" extends="struts-default">
<action name="house" class="com.pb.web.action.AddAction" method="addHouse">
<result name="success">
/addHouse.jsp
</result>
</action>
<action name="add" class="com.pb.web.action.HouseAction">
<result name="success">
/addSuccess.jsp
</result>
<!-- 使用chain返回时，注册填写的信息仍然存在 -->
<result name="error" type="chain">
<param name="actionName">house</param>
<param name="namespace">/</param>
</result>
<!-- 使用chain返回时，注册填写的信息仍然存在 -->
<result name="input" type="chain">
<param name="actionName">house</param>
<param name="namespace">/</param>
</result>
</action>
</package>
</struts>
jsp页面
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib prefix="s" uri="/struts-tags"%>
<%@ taglib prefix="sx" uri="/struts-dojo-tags" %>
<%
String path = request.getContextPath();
String basePath = request.getScheme() + "://"
+ request.getServerName() + ":" + request.getServerPort()
+ path + "/";
%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<sx:head parseContent="true"/>
<base href="<%=basePath%>">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>添加信息</title>
</head>
<body>
<h1>添加信息</h1>
<!--通过指定theme的属性改变主题 -->
<!-- 此处一定要加name属性，不然下面2个下拉框必然报错-->
<s:form action="add.action" method="post" theme="simple" name="name">
房屋标题:<s:textfield id="title" name="title"></s:textfield>
<br />
房屋类型:<s:select name="houseType" list="types" listKey="typeId"
listValue="type" />
<br />
房屋地址：
<s:doubleselect name="district" list="map.keySet()" listKey="districtId"
listValue="districtName" doubleName="street"
doubleList="map.get(top)" doubleListKey="streetId"
doubleListValue="streetName" theme="doubleselect" />
<br /><br/>
发布日期<sx:datetimepicker name="addDate" label="" /><br/><br/>
房屋描述:<s:textarea name="desc"></s:textarea>
<br />
<s:submit value="提交"></s:submit>
</s:form>
<s:debug />
</body>
</html>
时间： 2024-08-24 00:59:04