... // Do nothing, this is best effort. } } urlConnection = connectionFactory.build(url); for (Map.Entry headerEntry : headers.entrySet()) { urlConn...
...将涉及如下内容: HTTP协议 HTTP协议中与缓存相关的内容 URLConnection 和 HTTPURLConnection ResponseCache,CacheRequest,CacheResponse WHAT & WHY 正常来说,服务器和客户端的HTTP通信需要首先通过TCP的三次握手建立连接,然后客户端再发出HTTP请...
...将涉及如下内容: HTTP协议 HTTP协议中与缓存相关的内容 URLConnection 和 HTTPURLConnection ResponseCache,CacheRequest,CacheResponse WHAT & WHY 正常来说,服务器和客户端的HTTP通信需要首先通过TCP的三次握手建立连接,然后客户端再发出HTTP请...
...w.flush(); pw.close(); } } 使用JDK实现http通信 使用URLConnection实现GET请求 实例化一个java.net.URL对象; 通过URL对象的openConnection()方法得到一个java.net.URLConnection; 通过URLConnection对象的getInputStream()方法获得输入...
...port java.io.InputStream; import java.io.OutputStream; import java.net.HttpURLConnection; import java.net.InetSocketAddress; import java.net.Proxy; import java.net.URL; import javax.annotation.Res...
... pic = img.attr(data-src);URL target = new URL(pic);// 获取连接对象URLConnection urlConnection = target.openConnection();// 获取输入流,用来读取图片信息InputStream inputStream = urlConnection.getInputStream();// 获取输出流...
...(ProxyType); Proxy proxy = getProxy(proxyType); urlConnection = (HttpURLConnection) url.openConnection(proxy); injectHeader(urlConnection, proxyType); ...
...件传送,废话少说,上代码 import java.net.URL; import java.net.URLConnection; import java.io.File; import java.io.InputStream; import java.io.FileOutputStream; import java.io.FileNotFoundException; import java...
...tStreamReader; import java.io.Reader; import java.net.URL; import java.net.URLConnection; public class TestURL { public static void main(String[] args) throws IOException { // test4();...
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