dwr使用

1>导入dwr.jar文件

2>首先在web.xml中添加如下配置

 

<servlet>

<servlet-name>DwrServlet</servlet-name>

<servlet-class>org.directwebremoting.servlet.DwrServlet</servlet-class>

<load-on-startup>1</load-on-startup>

</servlet>

<servlet-mapping>

<servlet-name>DwrServlet</servlet-name>

<url-pattern>/dwr/*</url-pattern>

</servlet-mapping>

3>在WEB-INFO下创建dwr.xml

配置如下：

 

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE dwr PUBLIC

    "-//GetAhead Limited//DTD Direct Web Remoting 1.0//EN"

    "http://www.getahead.ltd.uk/dwr/dwr10.dtd">

 

<dwr>

<allow>

<!-- 将java类转化成js文件 -->

<!-- creator new 新建    javascirpt 创建的js文件名-->

<create creator="spring" javascript="shoppeDao">

<!-- value 类名 将哪个java类进行转换 -->

<param name="beanName" value="shoppeDao"></param>

<!----> <include method="getSpListByBrandId"/>

</create>

<convert match="com.noly.meirenkan.entity.Shoppe"

converter="bean">

<!--

<param name="include" value="id,award_type_code,award_name"></param>

-->

</convert>

</allow>

</dwr>

4>在页面中引入

<script type="text/javascript" src="/dwr/engine.js"></script>固定文件

<script type="text/javascript" src="/dwr/interface/shoppeDao.js"></script>在dwr配置中生成的js文件名
5>以对象形式操作返回数据

<script type="text/javascript">

function loadShoppe(){

var id=$("#brandId").val();

//shoppeDao在dwr文件中通过spring的bean注入

//getSpListByBrandId在dwr中配置的执行方法

shoppeDao.getSpListByBrandId(id,callbackM);

}

//回调函数

var callbackM=function(datas){

//alert(datas);

var tbd=$("#sp_tbody");

$(tbd).children().empty();

for(var i=0; i<datas.length; i++){

var shoppe=datas[i];

var sbid=shoppe.brandId;

var bname='';

<%

List<Brand> brands = (List<Brand>) request.getSession().getAttribute("brands");

for(Brand b:brands){

%>

if (sbid=='<%=b.getId()%>') {

bname='<%=b.getCnName()%>'=='null'?'<%=b.getEnName()%>':'<%=b.getCnName()%>';

}

<% }%>

var pv=shoppe.province==null?shoppe.city:shoppe.province==''?shoppe.city:shoppe.province;

var nm=shoppe.name==null?'暂无':shoppe.name;

$(tbd).append("<tr><td><input type=\"checkbox\" name=\"ckedShoppe\" value=\""+shoppe.id+"\"/></td><td>" 

+ bname+ 

"</td><td>" +pv+ "</td><td>" + shoppe.city + " </td><td>" + nm + 

" </td><td>"+shoppe.address+"</td></tr>");

}

}

 

 

</script>