Kotlin:
下载网页

import java.net.HttpURLConnection
import java.net.URL

fun downloadWebPage(url: String): String {
    val connection = URL(url).openConnection() as HttpURLConnection
    return connection.inputStream.bufferedReader().use { it.readText() }
}

fun main() {
    val content = downloadWebPage("https://example.com")
    println(content)
}