废话不多说，直接上源码：
select.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <% String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <base href="<%=basePath%>" rel="external nofollow" > <title>My JSP 'select.jsp' starting page</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="This is my page"> <!-- <link rel="stylesheet" type="text/css" href="styles.css" rel="external nofollow" > --> <script type="text/javascript" src="/UploadFiles/2021-04-02/jquery-2.1.1.min.js">struts.xml
<"1.0" encoding="UTF-8" "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd"> <struts> <constant name="struts.i18n.encoding" value="UTF-8"></constant> <package name="simpleton" extends="struts-default,json-default"> <action name="*JsonAction" method="{1}" class="jquery.chisj.action.JsonAction"> <result name="fail">error.jsp</result> <result type="json"> <param name="root">result</param> </result> </action> <action name="AppTypeShow" class="jquery.chisj.action.NtAppAction" method="appTypeShow"> <result name="fail">error.jsp</result> <result type="json"> <param name="root">result</param> </result> </action> <action name="AppClassShow" class="jquery.chisj.action.NtAppAction" method="appClassShow"> <result name="fail">error.jsp</result> <result type="json"> <param name="root">result</param> </result> </action> </package> </struts>NtAppAction.java
/** * */ package jquery.chisj.action; import java.util.ArrayList; import java.util.List; import jquery.chisj.entity.APPClass; import jquery.chisj.entity.APPType; import com.opensymphony.xwork2.ActionSupport; import net.sf.json.JSONArray; /** * @ClassName: NtAppAction * @Description: TODO * @Author: chisj chisj@foxmail.com * @Date 2016年1月20日 下午4:53:50 * */ public class NtAppAction extends ActionSupport { private String result; public String appTypeShow() { System.out.println("---app type show---"); List<APPType> appTypeList = new ArrayList<APPType>(); try { APPType appType_1 = new APPType(); APPType appType_2 = new APPType(); appType_1.setId(Short.valueOf("1")); appType_1.setName("Android"); appType_2.setId(Short.valueOf("2")); appType_2.setName("iOS"); appTypeList.add(appType_1); appTypeList.add(appType_2); JSONArray jsonArray = JSONArray.fromObject(appTypeList); result = String.valueOf(jsonArray); } catch (Exception e) { e.printStackTrace(); } return SUCCESS; } public String appClassShow() { System.out.println("---app class show---"); List<APPClass> appClassList = new ArrayList<APPClass>(); try { APPClass appClass_1 = new APPClass(); APPClass appClass_2 = new APPClass(); appClass_1.setId(Short.valueOf("1")); appClass_1.setName("种类1"); appClass_2.setId(Short.valueOf("2")); appClass_2.setName("种类2"); appClassList.add(appClass_1); appClassList.add(appClass_2); JSONArray jsonArray = JSONArray.fromObject(appClassList); result = String.valueOf(jsonArray); } catch (Exception e) { e.printStackTrace(); } return SUCCESS; } public String getResult() { return result; } public void setResult(String result) { this.result = result; } }以上这篇解决Jquery下拉框数据动态获取的问题就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持。