Apache XML-RPC与vcXMLRPC实现ajax调用web service

 

 

1.XML-RPC server端采用Apache XML-RPC

package  xmlrpc;

public   class  Calculator  ... {
    public int add(int i1, int i2) ...{
        return i1 + i2;
    }

    public int subtract(int i1, int i2) ...{
        return i1 - i2;
    }

}

 

package  xmlrpc.servlet;

import  java.io.IOException;
import  java.io.OutputStream;

import  javax.servlet.ServletException;
import  javax.servlet.http.HttpServlet;
import  javax.servlet.http.HttpServletRequest;
import  javax.servlet.http.HttpServletResponse;

import  org.apache.xmlrpc.XmlRpcServer;

import  xmlrpc.Calculator;

public   class  CalculatorServlet  extends  HttpServlet  ... {

    @Override
    protected void doPost(HttpServletRequest request,
            HttpServletResponse response) throws ServletException, IOException ...{
        XmlRpcServer server = new XmlRpcServer();
        server.addHandler("CalculatorService", new Calculator());
        byte[] result = server.execute(request.getInputStream());
        
        response.setContentType("text/xml; charset=UTF-8");
        response.setContentLength(result.length);
        OutputStream out = response.getOutputStream();
        out.write(result);
        out.flush();
    }

    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException ...{
        doPost(request, response);
    }    
    
}

 

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

     < servlet-mapping >
         < servlet-name > CalculatorServlet </ servlet-name >
         < url-pattern > /CalculatorServlet </ url-pattern >
     </ servlet-mapping >
     < welcome-file-list >
         < welcome-file > index.jsp </ welcome-file >
     </ welcome-file-list >
</ web-app >

 2.XML-RPC client端采用Ruben Daniels的javascript实现

<! 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=UTF-8" >
< title > 访问XMLRPC </ title >
< script  src ="scripts/vcXMLRPC.js" ></ script >
< script  type ="text/javascript" > ...
<!--
var AllFunc = XMLRPC.getService("http://localhost:8080/xfire/CalculatorServlet");

AllFunc.add("CalculatorService.subtract", "subtract");
AllFunc.add("CalculatorService.add", "add");

/**//**
 * calculate the sum of add1 and add2 and put the result of the XML-RPC
 * call into sum text
 */
function add()...{
  try ...{
    var add1 = parseInt(document.getElementById("add1").value);
    var add2 = parseInt(document.getElementById("add2").value);
  
    var response = AllFunc.add(add1,add2);
  
    document.getElementById("sum").value = response;
  } catch(e) ...{
    alert(e.description + " 注意：请输入整数！");
  }
}

function subtract()...{
  try ...{
    var subtract1 = parseInt(document.getElementById("subtract1").value);
    var subtract2 = parseInt(document.getElementById("subtract2").value);
  
    var response = AllFunc.subtract(subtract1,subtract2);
  
    document.getElementById("subtract").value = response;
  } catch(e) ...{
    alert(e.description + " 注意：请输入整数！");
  }
}
//-->
</ script >
</ head >
< body >
< input  type ="text"  name ="add1"  size ="10" >  +
< input  type ="text"  name ="add2"  size ="10" >  =
< input  type ="text"  name ="sum"  size ="10" >
< input  type ="button"  value ="求和"  onclick ="add();" >
< br >
< input  type ="text"  name ="subtract1"  size ="10" >  -
< input  type ="text"  name ="subtract2"  size ="10" >  =
< input  type ="text"  name ="subtract"  size ="10" >
< input  type ="button"  value ="求差"  onclick ="subtract();" >
</ body >
</ html >

 参考资料：

 http://www.xmlrpc.com/

http://ws.apache.org/xmlrpc

http://www.vcdn.org/Public/XMLRPC

http://blog.youkuaiyun.com/faust/archive/2005/11/14/529374.aspx

http://blog.youkuaiyun.com/fyun/archive/2004/05/17/6463.aspx

http://blog.youkuaiyun.com/mabaolin/archive/2007/08/20/1751006.aspx