除了基本的读取和写入操作外,URLConnection还提供了一些高级功能,如设置请求方法(GET、POST等)、处理重定向、设置超时时间等。此外,对于复杂的网络操作,可以考虑使用更高级的库或框架,如Apache HttpClient或OkHttp,它们提供了更丰富的功能和更好的性能。 在使用URLConnection时,还需要注意以下几点: ·确保网络连接可用,...
packagecom.urlconnection;importjava.io.IOException;importjava.io.InputStream;importjava.io.InputStreamReader;importjava.io.OutputStreamWriter;importjava.io.Writer;importjava.net.URL;importjava.net.URLConnection;//模拟表单提交处理publicclassFormPoster {privateURL url;privateQueryString query=newQueryString()...
Java网络编程(URL&URLConnection) 1packagecn.itcast.net.p2.ie_server;23importjava.io.IOException;4importjava.io.InputStream;5importjava.net.URL;6importjava.net.URLConnection;78publicclassURLDemo {910/**11*@paramargs12*@throwsIOException13*/14publicstaticvoidmain(String[] args)throwsIOException {15...
importjava.net.HttpURLConnection; importjava.net.URL; importjava.net.URLConnection; publicclassDemo{ publicstaticvoidmain(String[]args) { URLurl=null; try{ url=newURL("javascript:void(0)"); URLConnectionurlConnection=url.openConnection(); HttpURLConnectionconnection=null; if(urlConnectioninstanceof...
java.lang.Object java.net.URLConnection java.net.HttpURLConnection javax.net.ssl.HttpsURLConnection 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...
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 {...
URLConnection类 URLConnection是封装访问远程网络资源一般方法的类,通过它可以建立与远程服务器的连接,检查远程资源的一些属性 URLConnection类 取得URL的信息 import java.net.URL; import java.net.URLConnection; public class Hello { public static void main(String[] args) throws Exception{ ...
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; ...
Java.Net Assembly: Mono.Android.dll The abstract classURLConnectionis the superclass of all classes that represent a communications link between the application and a URL. C#複製 [Android.Runtime.Register("java/net/URLConnection", DoNotGenerateAcw=true)]publicabstractclassURLConnection:Java.Lang.Obj...
Class URLConnection java.lang.Object java.net.URLConnection 已知直接子类: HttpURLConnection, JarURLConnection public abstract class URLConnection extends Object 抽象类URLConnection是表示应用程序和URL之间的通信链接的所有类的超类。 此类的实例可用于读取和写入URL引用的资源。 通常,创建与URL的连接是一个...