如何使用 Java 从网站检索 URL? [英] How do I retrieve a URL from a web site using Java?

问题描述

我想使用 HTTP GET 和 POST 命令从网站检索 URL 并解析 HTML.我该怎么做?

I want to use HTTP GET and POST commands to retrieve URLs from a website and parse the HTML. How do I do this?

推荐答案

您可以使用 HttpURLConnection 结合 网址.

You can use HttpURLConnection in combination with URL.

URL url = new URL("http://example.com");
HttpURLConnection connection = (HttpURLConnection)url.openConnection();
connection.setRequestMethod("GET");
connection.connect();

InputStream stream = connection.getInputStream();
// read the contents using an InputStreamReader

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