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JSON-RPC-JAVA 的应用


1. 首先下载好JSON-RPC-JAVA压缩包;

  里面包含jsonrpc-1.0.jar 和 jsonrpc.js;

  jsonrpc-1.0.jar放在项目的WEB-INF/LIB下

  jsonrpc.js 放到你要使用的页面引用;

 

  2. 创建测试程序TestObject.java:

 

 

package com.gameframe;
 
   public class TestObject {
     public Integer sum(Integer a, Integer b) {
          return a + b;
     }
   }


   3. 当前页面引入


<%@ page import="com.gameframe.TestObject"%>
 
 
       <script type="text/javascript" src="js/jsonrpc.js"></script>
 
 

   
 
 
 
       <body>
 
 
 <jsp:useBean id="JSONRPCBridge" scope="session"  class="com.metaparadigm.jsonrpc.JSONRPCBridge" />
 <%
 TestObject t = new TestObject();
 JSONRPCBridge.registerObject("TestObject", t);
%> 
 
       </body>


    4. web.xml 配置里面加入


<!--servlet config for JSON-RPC-JAVA-->
 
 
         <servlet>
 
 

   
 
 
 
              <servlet-name>com.metaparadigm.jsonrpc.JSONRPCServlet</servlet-name>
 
 

   
 
 
 
               <servlet-class>com.metaparadigm.jsonrpc.JSONRPCServlet</servlet-class>
 
 

   
 
 
 
         </servlet>
 
 

   
 
 
 
        <servlet-mapping>
 
 

   
 
 
 
            <servlet-name>com.metaparadigm.jsonrpc.JSONRPCServlet</servlet-name>
 
 

   
 
 
 
            <url-pattern>/JSON-RPC</url-pattern>
 
 

   
 
 
 
        </servlet-mapping>


    5.网页测试代码:

<form>
 
 
             <input type="text" name="a" />
 
 
              <input type="text" name="b" />
 
 
              <input type="button" οnclick="fnSum(this.form)" value="Sum" />
 
 
         </form>
 
 
    6. javascript脚本函数添加
 
 
         <script type="text/javascript">
 
 
              function fnSum(form) {
 
 
                  try {
 
 
                         //Create a jsonrpc object for doing RPC.
 
 
                             jsonrpc = new JSONRpcClient("JSON-RPC");
 
 
                          // Call a Java method on the server
 
 
                          result1 = jsonrpc.TestObject.sum(form.a.value, form.b.value);
 
 
                          alert(result1);
 
 

   
 
 
 
                        } catch (e) {}
 
 
                                              
 
 
                     }
 
 
            </script>

      测试页面即可

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