DWR使用小试

DWR使用小试

java类
/**
 *@type_name: TestDwr
 *@date: 2006-9-19
 *@author scott_zhou
 */
package com.rain.dwr;

/**
 *
 */
public class TestDwr {

 public String getWord(String username){
  return "Hello "+username;
 }
}


web.xml配置
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4"
 xmlns=" http://java.sun.com/xml/ns/j2ee"
 xmlns:xsi=" http://www.w3.org/2001/XMLSchema-instance"
 xsi:schemaLocation=" http://java.sun.com/xml/ns/j2ee
  http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">

  <servlet>
    <servlet-name>dwr-invoker</servlet-name>
    <servlet-class>uk.ltd.getahead.dwr.DWRServlet</servlet-class>
    <init-param>
      <param-name>debug</param-name>
      <param-value>true</param-value>
    </init-param>
  </servlet>
  <servlet-mapping>
    <servlet-name>dwr-invoker</servlet-name>
    <url-pattern>/dwr/*</url-pattern>
  </servlet-mapping>
</web-app>


dwr.xml配置
<!DOCTYPE dwr PUBLIC
    "-//GetAhead Limited//DTD Direct Web Remoting 1.0//EN"
    " http://www.getahead.ltd.uk/dwr/dwr10.dtd">
<dwr>
<allow>
    <create creator="new" javascript="Test">
      <param name="class" value="com.rain.dwr.TestDwr"/>
    </create>
 </allow>
</dwr>

HTML页面代码
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <title>test.html</title>
 
    <script type='text/javascript' src='/angry/dwr/interface/Test.js'></script>
    <script type='text/javascript' src='/angry/dwr/engine.js'></script>
    <script type='text/javascript' src='/angry/dwr/util.js'></script>
    <script type="text/javascript">
      function show(){
        var name=DWRUtil.getValue("username");//使用getvalue方法得到id为username的值
        Test.getWord(name,execute);//调用getWord方法,第一个参数为传递的值,最后一个参数为回调程序
        //alert(word);
      }
      function execute(data){
        DWRUtil.setValue("a",data); //调用setValue方法来设置值
        DWRUtil.setValue("rst",data);
       
      }
    </script>

  </head>
 
  <body>
   <INPUT type="text" id="username">
    <INPUT type="button" value="提交" onclick="show()">
    <INPUT type="text" id="rst">
    <div id="a">
    </div>

  </body>
</html>

你可能感兴趣的:(DWR使用小试)