ssh框架ajax获取后台list数据简单例子

ajax 需要以下几个包，同时还需在webapp/web-inf/下建lib,在里面也放入下列包，不然会报找不到方法

<pre name="code" class="html">commons-beanutils-1.7.0.jar

commons-collections-3.2.1.jar

commons-httpclient-3.1.jar

commons-lang-2.3.jar

commons-logging-1.1.1.jar

ezmorph-1.0.3.jar

json-lib-2.2.3-jdk15.jar

struts2-json-plugin-2.1.8.1.jar

</pre><pre code_snippet_id="1686553" snippet_file_name="blog_20160517_2_7526341" name="code" class="html"><img src="https://img-blog.csdn.net/20160517155514934?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQv/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="" />

@Actions({@Action(value="ExpressCo",results = {@Result(name = ActionSupport.SUCCESS, location = "/EConsultApply/eConsultApply.jsp")}),})

@Namespace("")public class BasicInformationAction {public String extcute() throws Exception{HttpServletResponse response = ServletActionContext.getResponse();ArrayList<ExpressCo> expressColist=basicInformationServiceI.search();JSONArray ja = JSONArray.fromObject(expressColist);//用response向前台写数据response.getWriter().write(ja.toString());response.getWriter().flush();response.getWriter().close();return null;}}

</pre><pre code_snippet_id="1686553" snippet_file_name="blog_20160517_5_9097287" name="code" class="html">

<pre name="code" class="html"><li><label>快递公司：</label><select name="CA_ECID" id="CA_ECID" type="text"></select></li>

/* jQuery.ajax({type: "POST",url: "",// 要请求的后台页面data: "" ,// 要传的参数dataType:'json',success: function(json){},error:function(){alert('ajax 失败');}}); */$.getJSON("ExpressCo!extcute.action", function (data){    //当成功获取JSON时<pre name="code" class="javascript">$.each(data,function(i,item){    //循环JSON列表，如果JSON数据不是列表，就没得循环了//这里就可以直接根据list里的实体的属性去取值了，比如item.UserName//alert('ajax good');//设置下拉列表中的值的属性var option = document.createElement("option");option.value = item.EC_ID;option.text= item.EC_NAME;console.log(option);//将option增加到下拉列表中。selections.options.add(option);});

</pre><pre code_snippet_id="1686553" snippet_file_name="blog_20160517_5_9097287" name="code" class="html">