Polycom VR-6000 用户手册
Application Development
2 - 15
<!- - BODY END - ->
</html>
2.
Configure the Web server to serve the above XHTML file.
For example, if you are using Apache Tomcat to try this example, put this
For example, if you are using Apache Tomcat to try this example, put this
file into the webapps\PLCM folder of Tomcat.
3.
Write an application that is going to retrieve the stock information from a
data service provider.
For this example, this application will be retrieving stock information from
For this example, this application will be retrieving stock information from
Yahoo and will send it to the Microbrowser. This application is written
using a Java Server Page (JSP).
<?xml version="1.0" encoding="iso-8859-1"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<%@page
import="java.io.File,java.io.IOException,java.net.URL,java.awt.image.B
ufferedImage,javax.imageio.ImageIO"%>
<html>
<head>
<title>Stock Quote</title>
</head>
<body>
<%
// GETTING THE PATH WHERE BMP FILE HAS TO BE SAVED
String bmpFilePath = application.getRealPath(File.separator) +
"quote.bmp";
// DEFINE URL FROM WHERE CONTENT TO BE RETRIEVED
String stockUrl = "http://ichart.yahoo.com/t?s=";
// RETRIEVE THE STOCK SYMBOL FROM REQUEST
String stockSymbol = "PLCM"; // DEFAULT TO PLCM
if ( request.getParameter("stockname") != null ) {
stockSymbol = request.getParameter("stockname");
}
readAndConvertContentToBmp(stockUrl + stockSymbol, bmpFilePath,
stockSymbol);
%>
<%!
// READ THE CONTENT FROM GIVEN URL AND THEN CONVERT THE CONTENT TO A
BMP FILE
private void readAndConvertContentToBmp(String a_stockUrl, String
a_filePath, String a_name) throws IOException {
try {
BufferedImage stockImage = ImageIO.read(new URL(a_stockUrl));
ImageIO.write(stockImage, "bmp", new File(a_filePath));
}
catch (IOException ex) { throw ex;}
}
%>