?? rpcservice.java
字號:
package javawebservice;
import java.net.URL;
import java.io.*;
import java.util.*;
import org.w3c.dom.*;
import javax.xml.parsers.*;
import org.apache.soap.util.xml.*;
public class RPCService
{
//建立DocumentBuilder
DocumentBuilder xdb = XMLParserUtils.getXMLDocBuilder();
public Hashtable getInfo(String str) throws Exception
{
//建立查詢結果集
Hashtable result=new Hashtable();
try
{
//請求URL
URL url =
new URL(
"http://www.xmltoday.com/examples/stockquote"+
"/getxmlquote.vep?s="+str);
//請求回應流
InputStream is = url.openStream();
//解析回應的XML流
Document doc = xdb.parse(is);
//節點合集
Element element = doc.getDocumentElement();
//得到price標簽合集
NodeList list = element.getElementsByTagName("price");
//遍歷合集
for(int i=0;i<list.getLength();i++)
{
element = (Element) list.item(i);
String info = element.getAttribute("value");
switch(i)
{
case 0:
result.put("ask",info);
break;
case 1:
result.put("open",info);
break;
case 2:
result.put("dayhigh",info);
break;
default:
result.put("daylow",info);
}
}
}
catch(Exception e)
{
System.out.println(e.toString());
}
//返回解析后的結果合集
return result;
}
}
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