JSON运用实例(Struts、JQuery、JSON三结合)

1.JSON所需的jar包

commons-logging.jar,commons-lang.jar,commons-collections.jar,json.jar,commons-beanUtils.jar,ezmorph.jar

 

2.页面相关

<%String path = request.getContextPath();%>

 

<script language="javascript" src="<%=path%>/js/jquery-1.2.6.js"></script>

 

<script language="JavaScript">   function update(v1,v2){       var param = {type:v1,face:v2};    //请求数据    $.ajax({                 url:'<%=path%>/t.do?method=update',                 data:param,//{type:'01',account:'11'},               dataType:'json', //服务器返回的数据类型                 error:function(){                     alert("服务器忙，请稍后重试!");                 },                 success:function(result){                   alert(result.name + "," + result.sex + "," + result.age);               }          });   }</script>

 

<input type="button" οnclick="update('ok','hehe');" value="用Jquery发送Json请求">

 

3.Action相关

public ActionForward update(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { response.setHeader("Cache-Control", "no-cache"); response.setContentType("text/json;charset=UTF-8"); request.setCharacterEncoding("UTF-8"); System.out.println("接收到的参数:type=" + request.getParameter("type") + ", face=" + request.getParameter("face")); User user = new User(); user.setName("雾非雾"); user.setSex("男"); user.setAge(24); JSONObject json = JSONObject.fromObject(user); response.getWriter().write(json.toString()); return null; }