struts2 action中使用AJAX

<mce:script type="text/javascript" src="scripts/jquery.js" mce_src="scripts/jquery.js"></mce:script><mce:script type="text/javascript" src="scripts/json.js" mce_src="scripts/json.js"></mce:script><script type="text/javascript"> $(document).ready(function(){ $("#father").change(function(){ var id=$(this).val(); //alert(id); $.post("ajaxNamefactory.jspx",{id:id},function(result){ alert(result); $("#name").attr("value",result); }); }); });........................................... <select class="inputborder" id="father"> <option value="0">- 请选择加工单位</option> <c:forEach items="${facList}" var="fac"> <option value="${fac.id }">${fac.factoryName }</option> </c:forEach> </select> </td> <td id="input" width="9%" height="53" align="right">收货人:</td> <td colspan="2" align="left"> <input type="text" id="name" style="width:164px; float:left" class="inputborder"/> </td> <td width="17%">发帮日期： 2010年08月31日</td>

 

FactoryAction.java

  package com.kaisheng.web;import java.io.PrintWriter;import java.util.List;import javax.annotation.Resource;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import net.sf.json.JSONObject;import org.apache.struts2.ServletActionContext;import org.springframework.stereotype.Controller;import com.kaisheng.pojo.Factory;import com.kaisheng.service.FactoryService;import com.opensymphony.xwork2.ActionContext;@Controllerpublic class FactoryAction extends BaseAction<Factory> {private static final long serialVersionUID = -3111924411986332174L;private int id;private Factory factory;private List<Factory> facList;@Resourceprivate FactoryService factoryService;public String ajaxName()throws Exception{HttpServletRequest request=(HttpServletRequest) ActionContext.getContext().get(ServletActionContext.HTTP_REQUEST);request.setCharacterEncoding("utf-8");HttpServletResponse response=(HttpServletResponse) ActionContext.getContext().get(ServletActionContext.HTTP_RESPONSE);response.setCharacterEncoding("utf-8");PrintWriter out=response.getWriter();factory=factoryService.findById(id);if(factory!=null){ out.print(factory.getReceiveName());}else{out.print("error");}out.flush();out.close();return null;}@Overridepublic String del() throws Exception {return null;}@Overridepublic Factory getModel() {return factory;}@Overridepublic String input() throws Exception {return null;}@Overridepublic String list() throws Exception {return null;}@Overridepublic void prepareModel() throws Exception {if(id!=0){factory=factoryService.findById(id);}else{factory=new Factory();}}@Overridepublic String save() throws Exception {return null;}//------------------------get and set method----------------------public int getId() {return id;}public void setId(int id) {this.id = id;}public Factory getFactory() {return factory;}public void setFactory(Factory factory) {this.factory = factory;}public List<Factory> getFacList() {return facList;}public void setFacList(List<Factory> facList) {this.facList = facList;}}

 

截图如下：