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私はJSoupでgoogleで検索します。私が持っている問題は、変数クエリが私が検索を開始するときに必要なURLを表示しないということです。 また、Jsoupはどのように検索しますか?タイトルやURLなどをお探しですか?Google Search with JSoup
パブリッククラススタート{
public static void main(String[] args) {
try {
new Google().Searching("Möbel Beck GmbH & Co.KG");
} catch (Exception e) {
System.out.println(e.getMessage());
}
}
}
public class Google implements Serializable {
private static final long serialVersionUID = 1L;
private static Pattern patternDomainName;
private Matcher matcher;
private static final String DOMAIN_NAME_PATTERN = "([a-zA-Z0-9]([a-zA-Z0-9\\-]{0,61}[a-zA-Z0-9])?\\.)+[a-zA-Z]{2,6}";
static {
patternDomainName = Pattern.compile(DOMAIN_NAME_PATTERN);
}
public void Searching(String searchstring) throws IOException {
Google obj = new Google();
Set<String> result = obj.getDataFromGoogle(searchstring);
for (String temp : result) {
if (temp.contains(searchstring)) {
System.out.println(temp + " ----> CONTAINS");
} else {
System.out.println(temp);
}
}
System.out.println(result.size());
}
public String getDomainName(String url) {
String domainName = "";
matcher = patternDomainName.matcher(url);
if (matcher.find()) {
domainName = matcher.group(0).toLowerCase().trim();
}
return domainName;
}
private Set<String> getDataFromGoogle(String query) {
Set<String> result = new HashSet<String>();
String request = "https://www.google.com/search?q=" + query;
System.out.println("Sending request..." + request);
try {
// need http protocol, set this as a Google bot agent :)
Document doc = Jsoup.connect(request)
.userAgent("Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)").timeout(6000)
.get();
// get all links
Elements links = doc.select("a[href]");
for (Element link : links) {
String temp = link.attr("href");
if (temp.startsWith("/url?q=")) {
// use regex to get domain name
result.add(getDomainName(temp));
}
}
} catch (IOException e) {
e.printStackTrace();
}
return result;
}
}
なぜ検索APIを使用しないのですか? –
正確にはどういう意味ですか? –