java要比python易读多了

xiaoxiao2021-02-28  9

import com.sun.net.httpserver.Headers;   import com.sun.net.httpserver.HttpExchange;   import com.sun.net.httpserver.HttpHandler;   import com.sun.net.httpserver.HttpServer;      import java.io.IOException;   import java.io.OutputStream;   import java.net.InetSocketAddress;   import java.util.Iterator;   import java.util.List;   import java.util.Set;   import java.util.concurrent.Executors;      //jdk自带轻量级http server例子  http://127.0.0.1:8080/server   public class HttpServerDemo {       public static void main(String[] args) throws IOException {           InetSocketAddress addr = new InetSocketAddress(8080);           HttpServer server = HttpServer.create(addr, 0);              server.createContext("/server", new MyHandler());           server.setExecutor(Executors.newCachedThreadPool());           server.start();           System.out.println("Server is listening on port 8080");       }   }      class MyHandler implements HttpHandler {       public void handle(HttpExchange exchange) throws IOException {           String requestMethod = exchange.getRequestMethod();           if (requestMethod.equalsIgnoreCase("GET")) {               Headers responseHeaders = exchange.getResponseHeaders();               responseHeaders.set("Content-Type", "text/plain");               // responseHeaders.set("Content-Type", "text/html; charset=utf-8");               exchange.sendResponseHeaders(200, 0);                  OutputStream responseBody = exchange.getResponseBody();               Headers requestHeaders = exchange.getRequestHeaders();               Set<String> keySet = requestHeaders.keySet();               Iterator<String> iter = keySet.iterator();               while (iter.hasNext()) {                   String key = iter.next();                   List values = requestHeaders.get(key);                   String s = key + " = " + values.toString() + "\n";                   responseBody.write(s.getBytes());               }               responseBody.write("jdk自带轻量级http server例子".getBytes());               responseBody.close();           }       }   }  
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