船舶大数据爬虫采集长效固定ip在java使用中的解决方案
时间:2022-08-15 来源:枫之叶网络
随着跨境电商的迅速发展,海运船舶实时运输信息非常重要,很多船运需要采用爬虫技术进行数据抓取并使用(注意此处的信息为公开非敏感信息哦)。分布式采集和监控技术突飞猛进。java语言经常使用固定长效ip进行分布式数据采集和监控。以下是demon:
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.net.Authenticator;
import java.net.HttpURLConnection;
import java.net.InetSocketAddress;
import java.net.PasswordAuthentication;
import java.net.Proxy;
import java.net.URL;
class ProxyAuthenticator extends Authenticator {
private String user, password;
public ProxyAuthenticator(String user, String password) {
this.user = user;
this.password = password;
}
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(user, password.toCharArray());
}
}
public class ProxyTest {
public static void main(String args[]) throws Exception {
String targetUrl = "http://www.pachongdaili.com";
System.setProperty("jdk.http.auth.tunneling.disabledSchemes", "");
String proxyServer = "http://demon.pachongdaili.com";
int proxyPort = 65108;
String proxyUser = "user";
String proxyPass = "pwd";
try {
URL url = new URL(targetUrl);
Authenticator.setDefault(new ProxyAuthenticator(proxyUser, proxyPass));
InetSocketAddress addr = new InetSocketAddress(proxyServer, proxyPort);
Proxy proxy = new Proxy(Proxy.Type.HTTP, addr);
HttpURLConnection connection = (HttpURLConnection) url.openConnection(proxy);
connection.setRequestProperty("Proxy-Switch-Ip","yes");
byte[] response = readStream(connection.getInputStream());
System.out.println(new String(response));
} catch (Exception e) {
System.out.println(e.getLocalizedMessage());
}
}
public static byte[] readStream(InputStream inStream) throws Exception {
ByteArrayOutputStream outSteam = new ByteArrayOutputStream();
byte[] buffer = new byte[1024];
int len = -1;
while ((len = inStream.read(buffer)) != -1) {
outSteam.write(buffer, 0, len);
}
outSteam.close();
inStream.close();
return outSteam.toByteArray();
}
}
当前地址:http://www.pachongdaili.com/support/a452.html 客服联系QQ:475685360
随着跨境电商的迅速发展,海运船舶实时运输信息非常重要,很多船运需要采用爬虫技术进行数据抓取并使用(注意此处的信息为公开非敏感信息哦)。分布式采集和监控技术突飞猛进。java语言经常使用固定长效ip进行分布式数据采集和监控。以下是demon:
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.net.Authenticator;
import java.net.HttpURLConnection;
import java.net.InetSocketAddress;
import java.net.PasswordAuthentication;
import java.net.Proxy;
import java.net.URL;
class ProxyAuthenticator extends Authenticator {
private String user, password;
public ProxyAuthenticator(String user, String password) {
this.user = user;
this.password = password;
}
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(user, password.toCharArray());
}
}
public class ProxyTest {
public static void main(String args[]) throws Exception {
String targetUrl = "http://www.pachongdaili.com";
System.setProperty("jdk.http.auth.tunneling.disabledSchemes", "");
String proxyServer = "http://demon.pachongdaili.com";
int proxyPort = 65108;
String proxyUser = "user";
String proxyPass = "pwd";
try {
URL url = new URL(targetUrl);
Authenticator.setDefault(new ProxyAuthenticator(proxyUser, proxyPass));
InetSocketAddress addr = new InetSocketAddress(proxyServer, proxyPort);
Proxy proxy = new Proxy(Proxy.Type.HTTP, addr);
HttpURLConnection connection = (HttpURLConnection) url.openConnection(proxy);
connection.setRequestProperty("Proxy-Switch-Ip","yes");
byte[] response = readStream(connection.getInputStream());
System.out.println(new String(response));
} catch (Exception e) {
System.out.println(e.getLocalizedMessage());
}
}
public static byte[] readStream(InputStream inStream) throws Exception {
ByteArrayOutputStream outSteam = new ByteArrayOutputStream();
byte[] buffer = new byte[1024];
int len = -1;
while ((len = inStream.read(buffer)) != -1) {
outSteam.write(buffer, 0, len);
}
outSteam.close();
inStream.close();
return outSteam.toByteArray();
}
}
当前地址:http://www.pachongdaili.com/support/a452.html 客服联系QQ:475685360