Struts2+jquery+json前台汲取后台的list.docVIP

Struts2+json+jquery+mysql 弄了一天终于搞出来了 最终结果： 工程结构如下： 导入的包： 配置文件 Web.xml ?xml version=1.0 encoding=UTF-8? web-app version=2.5 xmlns=/xml/ns/javaee xmlns:xsi=/2001/XMLSchema-instance xsi:schemaLocation=/xml/ns/javaee /xml/ns/javaee/web-app_2_5.xsd welcome-file-list welcome-fileindex.jsp/welcome-file /welcome-file-list filter filter-namestruts2/filter-name filter-class org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter /filter-class /filter filter-mapping filter-namestruts2/filter-name url-pattern/*/url-pattern /filter-mapping/web-app Struts.xml ?xml version=1.0 encoding=UTF-8 ? !DOCTYPE struts PUBLIC -//Apache Software Foundation//DTD Struts Configuration 2.1//EN /dtds/struts-2.1.dtd struts package name=struts2 extends=struts-default action name=*.jsp result/{0}.jsp/result /action action name=* result/{0}/result /action /package package name=ajax extends=json-default action name=listAction class=com.flb.action.listAction result type=json param name=rootresult/param /result /action /package /struts MenuList.jsp body select name=province id=province option value=====请选择====/option /select select name=city id=city option value=====请选择====/option /select select name=country id=country option value=====请选择====/option /select /body script language=javaScript $(document).ready(function(){ /*************************************************************/ //从数据库中查询省的信息显示在select name=province id=province中 $.post(listAction.action,function(data){ //alert(data.length); alert(data); // alert(textStatus); var dataObj=eval((+data+)); for(var i=0;idataObj.length;i++){ alert(dataObj[i].pid+ +dataObj[i].pname); } }); }); /script listAction.java package com.flb.action; import java.util.List; import net.sf.json.JSONArray; import com.flb.dao.Dao; import com.flb.daoIpml.DaoIpml; im