<%@ page contentType="text/html;charset=big5" %>
<%@ page import="org.apache.commons.httpclient.*" %>
<%@ page import="org.apache.commons.httpclient.methods.*" %>
<%@ page import="org.apache.commons.httpclient.params.HttpMethodParams" %>
<%@ page import="java.io.*" %>
<%
String url = "http://tw.stock.yahoo.com/";
String stockId = request.getParameter("stock_id");
if (stockId != null) {
url += "q/q?s="+stockId;
}
// Create an instance of HttpClient.
HttpClient client = new HttpClient();
// Create a method instance.
HttpMethod method = new GetMethod(url);
// Provide custom retry handler is necessary
method.getParams().setParameter(HttpMethodParams.RETRY_HANDLER,
new DefaultHttpMethodRetryHandler(3, false));
try {
// Execute the method.
int statusCode = client.executeMethod(method);
if (statusCode != HttpStatus.SC_OK) {
System.err.println("Method failed: " + method.getStatusLine());
}
// Read the response body.
byte[] responseBody = method.getResponseBody();
// Deal with the response.
// Use caution: ensure correct character encoding and is not binary data
//System.out.println(new String(responseBody));
String result = new String(responseBody, "Big5");
if (stockId != null) {
result = result.substring(result.indexOf("nowrap><b>")+"nowrap><b>".length());
result = result.substring(0, result.indexOf("</b>"));
out.println(stockId + " Price Now: " + result);
} else {
out.println(result);
}
} catch (HttpException e) {
System.err.println("Fatal protocol violation: " + e.getMessage());
e.printStackTrace();
} catch (IOException e) {
System.err.println("Fatal transport error: " + e.getMessage());
e.printStackTrace();
} finally {
// Release the connection.
method.releaseConnection();
}
%>
檔案名稱 | httpclient.jsp |
描述 | HttpClient抓網頁範例程式 |
檔案大小 | 2 Kbytes |
下載次數 | 90 次 |
下載 |
<%@ page contentType="text/html;charset=big5" %>
<%@ page import="java.io.IOException" %>
<%@ page import="org.apache.http.client.ClientProtocolException" %>
<%@ page import="org.apache.http.client.HttpClient" %>
<%@ page import="org.apache.http.client.ResponseHandler" %>
<%@ page import="org.apache.http.client.methods.HttpGet" %>
<%@ page import="org.apache.http.impl.client.BasicResponseHandler" %>
<%@ page import="org.apache.http.impl.client.DefaultHttpClient" %>
<%
String url = "http://tw.stock.yahoo.com/";
String stockId = request.getParameter("stock_id");
if (stockId != null) {
url += "q/q?s="+stockId;
}
// Create an instance of HttpClient.
HttpClient httpclient = new DefaultHttpClient();
try {
// Create an HttpGet method instance.
HttpGet httpget = new HttpGet(url);
System.out.println("executing request " + httpget.getURI());
// Create a response handler
ResponseHandler<String> responseHandler = new BasicResponseHandler();
String responseBody = httpclient.execute(httpget, responseHandler);
if (stockId != null) {
responseBody = responseBody.substring(responseBody.indexOf("nowrap><b>")+"nowrap><b>".length());
responseBody = responseBody.substring(0, responseBody.indexOf("</b>"));
out.println(stockId + " Price Now: " + responseBody);
} else {
out.println(responseBody);
}
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
// When HttpClient instance is no longer needed,
// shut down the connection manager to ensure
// immediate deallocation of all system resources
httpclient.getConnectionManager().shutdown();
}
%>
檔案名稱 | httpclient4.jsp |
描述 | HttpClient 4抓網頁範例程式 |
檔案大小 | 2 Kbytes |
下載次數 | 26 次 |
下載 |
HttpClient httpclient = new DefaultHttpClient();
HttpHost proxy = new HttpHost("10.160.3.88", 8080);
HttpClient httpclient = new DefaultHttpClient();
httpclient.getParams().setParameter(ConnRoutePNames.DEFAULT_PROXY, proxy);
<% @page import="org.apache.http.HttpHost" %>
<% @page import="org.apache.http.conn.params.ConnRoutePNames" %>