<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <% String path = request.getContextPath(); String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path + "/"; %> <!DOCTYPE HTML> <html> <head> <base href="<%=basePath%>"> <title>Dwr Demo</title> <script type='text/javascript' src='${pageContext.request.contextPath}/dwr/engine.js'></script> <script type='text/javascript' src='${pageContext.request.contextPath}/dwr/util.js'></script> <script type='text/javascript' src='${pageContext.request.contextPath}/dwr/interface/Demo.js'></script> <script type='text/javascript' src='${pageContext.request.contextPath}/js/jquery1.8.js'></script> <script type="text/javascript"> //此函数中可以调用java类的方法，除了java方法本身的参数外，还要将回调函数名作为参数传给java方法 function sayHello(name) { Demo.getHello(name, dwrHandler); } //这是dwr的一个回调函数，data参数即java方法getHello(String name)的返回值 function dwrHandler(data) { alert(data); } </script> </head> <body> <input> <button onclick="sayHello($('input').val());">提交</button> <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <% String path = request.getContextPath(); String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path + "/"; %> <!DOCTYPE HTML> <html> <head> <base href="<%=basePath%>"> <title>Dwr Demo</title> <script type='text/javascript' src='${pageContext.request.contextPath}/dwr/engine.js'></script> <script type='text/javascript' src='${pageContext.request.contextPath}/dwr/util.js'></script> <script type='text/javascript' src='${pageContext.request.contextPath}/dwr/interface/Demo.js'></script> <script type='text/javascript' src='${pageContext.request.contextPath}/js/jquery1.8.js'></script> <script type="text/javascript"> //此函数中可以调用java类的方法，除了java方法本身的参数外，还要将回调函数名作为参数传给java方法 function sayHello(name) { Demo.getHello(name, dwrHandler); } //这是dwr的一个回调函数，data参数即java方法getHello(String name)的返回值 function dwrHandler(data) { alert(data); } </script> </head> <body> <input> <button onclick="sayHello($('input').val());">提交</button> </body> </html>
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