The abstract class URLConnection is the superclass of all classes that represent a communications link between the application and a URL. C# Copy [Android.Runtime.Register("java/net/URLConnection", DoNotGenerateAcw=true)] public abstract class URLConnection : Java.Lang.Object Inheritance Object ...
由Java平台所提供的URL class让我们可以方便而有效的访问网络上的资源,而且可以让我们象访问本地文件一样的感到轻松愉快。我们不用为网络通讯的细节问题操心,只需要把注意力集中到制作有用的应用程序和服务上去。 三种连接方法: // 方法一 URL url = new URL("http://www.sina.com.cn"); URLConnection urlcon...
URLConnDemo.java import java.net.*; import java.io.*; public class URLConnDemo { public static void main(String [] args) { try { URL url = new URL("http://www.runoob.com"); URLConnection urlConnection = url.openConnection(); HttpURLConnection connection = null; if(urlConnection ...
connection parameters and general request properties can be ignored: the pre-connection parameters and request properties default to sensible values. For most clients of this interface, there are only two interesting methods:getInputStreamandgetContent, which are mirrored in theURLclass by convenience ...
URL 解析: 协议为(protocol):http 主机为(host:port):www.runoob.com 端口号为(port): 80 ,以上URL实例并未指定端口,因为 HTTP 协议默认的端口号为 80。 文件路径为(path):/index.html 请求参数(query):language=cn 定位位置(fragment):j2se,定位到网页中 id 属性为 j2se 的 HTML 元素位置 。
public class URLConnectionExample { public static void main(String[] args){ try{ URL url=new URL("http://www.javatpoint.com/java-tutorial"); URLConnection urlcon=url.openConnection(); InputStream stream=urlcon.getInputStream(); int i; ...
net.HttpURLConnection; import java.net.URL; import java.net.URLConnection; import java.net.URLEncoder; import java.util.List; import java.util.Map; public class HttpRequestUtil { public static String sendGet(String url, String param) { String result = ""; BufferedReader in = null; try {...
public class URLDemo { public static void main(String [] args) { try { URL url = new URL("http://www.runoob.com/index.html?language=cn#j2se"); System.out.println("URL 为:" + url.toString()); System.out.println("协议为:" + url.getProtocol()); ...
public abstract classHttpsURLConnectionextendsHttpURLConnection HttpsURLConnection扩展HttpURLConnection,支持https特定功能。 有关https规范的更多详细信息,请参见http://www.w3.org/pub/WWW/Protocols/和RFC 2818。 本课程使用HostnameVerifier和SSLSocketFactory。为这两个类定义了默认实现。但是,可以在每个类(静态)或...
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.OutputStream; import java.net.HttpURLConnection; import java.net.URL; public class HttpURLConnectionExample { public static void main(String[] args) { try { // 创建URL对象 URL url = new URL("https://www.examp...