七、文件上传
接收文件就用用文件的管道流，接收字符串就用字符串的管道流
运行下面的代码，需要在项目中存在一个hxl.jpg的图片
服务器端
package com.net; import java.io.*; import java.net.ServerSocket; import java.net.Socket; public class TcpServerDemo02 { public static void main(String[] args) throws Exception { //1.创建服务 ServerSocket serverSocket = new ServerSocket(9000); //2.监听客户端的连接 Socket socket = serverSocket.accept();//阻塞式监听，会一直等待客户端连接 //3.获取输入流 InputStream is = socket.getInputStream(); //4.文件输出 FileOutputStream fos = new FileOutputStream(new File("receive.jpg")); byte[] buffer = new byte[1024]; int len; while((len = is.read(buffer))!=-1){ fos.write(buffer,0,len); } //通知客户端我接受完毕了 OutputStream os = socket.getOutputStream(); os.write("我接受完毕了，你可以断开了".getBytes()); //5.关闭资源 fos.close(); is.close(); socket.close(); serverSocket.close(); } }
客户端
package com.net; import java.io.*; import java.net.InetAddress; import java.net.Socket; public class TcpClientDemo02 { public static void main(String[] args) throws IOException { //1.创建一个Socket连接 Socket socket = new Socket(InetAddress.getByName("127.0.0.1"), 9000); //2.创建一个输出流 OutputStream os = socket.getOutputStream(); //3.读取文件流 FileInputStream fis = new FileInputStream(new File("hxl.jpg")); //4.写出文件 byte[] buffer = new byte[1024]; int len; while((len = fis.read(buffer))!=-1){ os.write(buffer,0,len); } //通知服务器，我已经结束了 socket.shutdownOutput();//我已经传输完了！ //确定服务器接受完毕，才能断开连接 InputStream is = socket.getInputStream(); //String byte[] ByteArrayOutputStream baos = new ByteArrayOutputStream(); byte[] buffer2 = new byte[2014]; int len2; while((len2 = is.read(buffer2))!=-1){ baos.write(buffer2,0,len2); } System.out.println(baos.toString()); //5.关闭资源 baos.close(); is.close(); fis.close(); os.close(); socket.close(); } }
初识Tomcat
服务器端
- 自定义 S
- Tomcat S
客户端
- 自定义 C
- 浏览器 B
