dwr小例子
package com.hugui.dwr;public class DWRTest {public String hello(){return "你好！";}}package com.hugui.dwr;public class DWRTest2 {public String hello(String name, int age){return "年龄"+age+"名字"+name;}}
package com.hugui.dwr;import java.util.ArrayList;import java.util.List;public class DWRTest {/*public String[] hello(){return new String[]{"一","二"};}*/public List hello(){List list = new ArrayList();list.add("num1");list.add("num2");return list;}}
package com.hugui.dwr;import java.util.HashMap;import java.util.Map;public class DWRTest4 {public Map hello(){Map map = new HashMap();map.put("k1", "v1");map.put("k2", "v2");return map;}}
package com.hugui.dwr;import java.util.ArrayList;import java.util.List;public class DWRTest5 {public List hello(){List list = new ArrayList();list.add(new String[]{"value1", "value2"});list.add(new String[]{"v1","v2"});return list;}}
package com.hugui.dwr;public class DWRTest6 {public boolean hasPermission(String name, int permission){if("胡贵".equals(name) && permission == 1){return true;}return false;}}
package com.hugui.dwr;public class DWRTest8 {public String method1(){return "调用方法1";}public String mehtod2(){return "调用方法2";}}
dwr.xml
<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE dwr PUBLIC "-//GetAhead Limited//DTD Direct Web Remoting 2.0//EN" "http://getahead.org/dwr/dwr20.dtd"><dwr><allow> <create creator="new" javascript="test"> <param name="class" value="com.hugui.dwr.DWRTest"/> </create> <create creator="new" javascript="test2"> <param name="class" value="com.hugui.dwr.DWRTest2"/> </create> <create creator="new" javascript="test3"> <param name="class" value="com.hugui.dwr.DWRTest3"/> </create> <create creator="new" javascript="test4"> <param name="class" value="com.hugui.dwr.DWRTest4"/> </create> <create creator="new" javascript="test5"> <param name="class" value="com.hugui.dwr.DWRTest5"/> </create> <create creator="new" javascript="test6"> <param name="class" value="com.hugui.dwr.DWRTest6"/> </create> <create creator="new" javascript="test8"> <param name="class" value="com.hugui.dwr.DWRTest8"/> </create></allow></dwr>
web.xml
<!-- dwr --> <servlet> <servlet-name>dwr-invoker</servlet-name> <servlet-class>org.directwebremoting.servlet.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>
dwrtest.jsp
<%@ page language="java" contentType="text/html; charset=GB18030" pageEncoding="GB18030"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=GB18030"><script type="text/javascript" src="dwr/engine.js"></script><script type="text/javascript" src="dwr/util.js"></script><script type="text/javascript" src="dwr/interface/test.js"></script><title>Insert title here</title><script type="text/javascript">/*方法一： *//*function test1(){test.hello(helloreturn);}function helloreturn(value){alert(value);}*//*方法二： *//*function test1(){test.hello()(function (data){alert(data);});}*//* 方法三：*/function test1(){test.hello(helloreturn);}var helloreturn =function(value){alert(value);}</script></head><body><input type="button" value="测试" /></body></html>
<%@ page language="java" contentType="text/html; charset=GB18030" pageEncoding="GB18030"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=GB18030"><script type="text/javascript" src="dwr/engine.js"></script><script type="text/javascript" src="dwr/util.js"></script><script type="text/javascript" src="dwr/interface/test2.js"></script><title>Insert title here</title><script type="text/javascript">function test2(){test2.hello("胡贵",21)(function (data){alert(data);});}</script></head><body><input type="button" value="测试" /></body></html>
<%@ page language="java" contentType="text/html; charset=GB18030" pageEncoding="GB18030"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=GB18030"><script type="text/javascript" src="dwr/engine.js"></script><script type="text/javascript" src="dwr/util.js"></script><script type="text/javascript" src="dwr/interface/test3.js"></script><title>Insert title here</title><script type="text/javascript">function test3(){test3.hello()(function (datas){for(int i=0; i<datas.length; i++){alert(datas);}});}</script></head><body><input type="button" value="测试" /></body></html>
<%@ page language="java" contentType="text/html; charset=GB18030" pageEncoding="GB18030"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=GB18030"><script type="text/javascript" src="dwr/engine.js"></script><script type="text/javascript" src="dwr/util.js"></script><script type="text/javascript" src="dwr/interface/test4.js"></script><title>Insert title here</title><script type="text/javascript">function test4(){test3.hello()(function (datas){alert(datas.k1);alert(datas["k1"]);});}function test4_1(){test3.hello()(function (datas){for(var i in datas){alert("key="+i+"value"+datas);}});}</script></head><body><input type="button" value="测试" /></body></html>
<%@ page language="java" contentType="text/html; charset=GB18030" pageEncoding="GB18030"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=GB18030"><script type="text/javascript" src="dwr/engine.js"></script><script type="text/javascript" src="dwr/util.js"></script><script type="text/javascript" src="dwr/interface/test5.js"></script><title>Insert title here</title><script type="text/javascript">function test5(){test5.hello()(function (datas){for(int i=0; i<datas.length; i++){for(int j=0; j<datas.length; j++){alert(datas);}}});}</script></head><body><input type="button" value="测试" /></body></html>
<%@ page language="java" contentType="text/html; charset=GB18030" pageEncoding="GB18030"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=GB18030"><script type="text/javascript" src="dwr/engine.js"></script><script type="text/javascript" src="dwr/util.js"></script><script type="text/javascript" src="dwr/interface/test6.js"></script><title>Insert title here</title><script type="text/javascript">function test6(){test6.hasPermission($("name").value,$("permission").value,function(datas){alert(datas);});}</script></head><body>name: <input type="text" name="name"> <br>permission: <input type="text" name="permission"><br><input type="button" value="测试是否有权限" /></body></html>
<%@ page language="java" contentType="text/html; charset=GB18030" pageEncoding="GB18030"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=GB18030"><script type="text/javascript" src="dwr/engine.js"></script><script type="text/javascript" src="dwr/util.js"></script><script type="text/javascript" src="dwr/interface/test8.js"></script><title>Insert title here</title><script type="text/javascript">function test8(){/**设置同步编程模型: 如果为true的话,调用test6的时候，将会先执行mehotd2， 为false的时候，将会先执行method1**/dwr.engine.setAsync(false);test8.method1(function(data){alert(data);});test8.method2(function(data){alert(data);});}</script></head><body><input type="button" value="测试" /></body></html>
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