JAVA编写的一个简单的Socket实现的HTTP响应服务器
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JAVA编写的一个简单的Socket实现的HTTP响应服务器,看后就很容易理解Web服务器的原理了。
- package test.io;
-
- import java.net.*;
- import java.io.*;
-
-
-
-
-
-
- public class MyWebServer {
- public static void main(String[] args) {
- Socket socket = null;
- try {
-
- ServerSocket s = new ServerSocket(8000, 3);
- System.out.println("MyWebServer等待来自浏览器的连接\n");
- while (true) {
- socket = s.accept();
- System.out.println("连接已建立。端口号:" + socket.getPort());
- new MyWebServerThread(socket).start();
- }
- } catch (IOException e) {
- e.printStackTrace();
- }
- }
- }
-
- class MyWebServerThread extends Thread {
- private Socket socket;
-
- MyWebServerThread(Socket socket) {
- this.socket = socket;
- }
-
- @Override
- public void run() {
- try {
- InputStreamReader is = new InputStreamReader(socket.getInputStream());
- char[] bs = new char[2048];
- PrintStream out;
- out = new PrintStream(socket.getOutputStream());
- StringBuilder msg = new StringBuilder();
-
-
-
- socket.setSoTimeout(10);
-
-
-
- int len = -1;
- try {
- while ((len = is.read(bs)) != -1) {
- msg.append(bs, 0, len);
- msg.append("\n");
- }
- } catch (Exception ex) {
-
- }
-
-
- out.println("HTTP/1.1 200 OK");
- out.println("Content-Type:text/html;charset:GBK");
- out.println();
-
- out
- .println("<HTML><BODY>"
- + "<center>"
- + "<H1>HTTP协议测试服务器,当前时间:"
- + new java.util.Date()
- + "</h1>"
- + "<form method='get'>username:<input type='text' name='username'/>password:<input type='text' name='password'/><input type='submit' value='GET测试'/></form><br/>"
- + "<form method='post'>username:<input type='text' name='username'/>password:<input type='text' name='password'/><input type='submit' value='POST测试'/></form><br/>"
- + "<form method='post' enctype='multipart/form-data'>phototitle:<input type='text' name='phototitle'/>photo:<input type='file' name='photo'/><input type='submit' value='Upload测试'/></form>"
- + "</center>您提交的数据如下:<pre>" + msg.toString() + "</pre></BODY></HTML>");
- out.flush();
- out.close();
- is.close();
- System.out.println("close");
-
- socket.close();
- } catch (IOException e) {
- e.printStackTrace();
- }
- }
- }
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