客戶端 import?java.io.BufferedReader; import?java.io.IOException; import?java.io.InputStream; import?java.io.InputStreamReader; import?java.io.OutputStream; import?java.io.PrintWriter; import?java.net.Socket; import?java.net.UnknownHostException; public?class?Client?{ public?static?void?main(String[]?args)?{ try?{ //?創建客服端Scoket，指定服務器地址和端口 Socket?socket?=?new?Socket("192.168.1.67",?8787);//?localhost表示本地地址 //?獲取輸出流，想服務器端發送信息 OutputStream?outputStream?=?socket.getOutputStream();//?字節流輸出 PrintWriter?printWriter?=?new?PrintWriter(outputStream);//?將字節流轉換成（包裝為）打印流 printWriter.write("用戶名：admin\t密碼：123123"); printWriter.flush();//?調用flush()刷新緩存 socket.shutdownInput();//?關閉輸出流 //獲取輸入流，并讀取服務器端的響應信息 InputStream?inputStream=socket.getInputStream(); InputStreamReader?inputStreamReader=new?InputStreamReader(inputStream); BufferedReader?bufferedReader=new?BufferedReader(inputStreamReader); String?data=bufferedReader.readLine(); if?(data!=null)?{ System.out.println("我是客服端：服務器說"+data); } //?關閉資源 inputStreamReader.close(); bufferedReader.close(); inputStream.close(); outputStream.close(); printWriter.close(); }?catch?(UnknownHostException?e)?{ e.printStackTrace(); }?catch?(IOException?e)?{ e.printStackTrace(); } } } 服務器 import?java.io.BufferedReader; import?java.io.IOException; import?java.io.InputStream; import?java.io.InputStreamReader; import?java.io.OutputStream; import?java.io.PrintWriter; import?java.net.ServerSocket; import?java.net.Socket; public?class?Server?{ public?static?void?main(String[]?args)?{ try?{ //?創建一個服務器端的Socket，即ServerSocket。指定綁定端口，并監聽 ServerSocket?serverSocket?=?new?ServerSocket(8787); System.out.println("*********服務器即將啟動，等待客戶端連接********"); //?調用accept()開始監聽，等待客戶端連接。 Socket?socket?=?serverSocket.accept(); //?獲取輸入流，并讀取客戶端信息。 InputStream?inputStream?=?socket.getInputStream();//?字節流輸入 InputStreamReader?inputStreamReader?=?new?InputStreamReader(inputStream);//?將字節流轉化為字符流 BufferedReader?bufferedReader?=?new?BufferedReader(inputStreamReader);//?為輸入流添加緩沖 String?data?=?null; while?((data?=?bufferedReader.readLine())?!=?null)?{ System.out.println("我是服務器：客服端說："?+?data); //?data?=?bufferedReader.readLine(); }?//?循環讀出客戶端的信息 //?獲取輸出流，響應客戶端請求 OutputStream?outputStream?=?socket.getOutputStream(); PrintWriter?printWriter?=?new?PrintWriter(outputStream);//?包裝為打印流 printWriter.write("歡迎您"); printWriter.flush();//?調用flush()將緩存輸出 //?關閉相關的資源 socket.shutdownInput();//?關閉輸入流 printWriter.close(); outputStream.close(); inputStream.close(); inputStreamReader.close(); bufferedReader.close(); }?catch?(IOException?e)?{ //?TODO?Auto-generated?catch?block e.printStackTrace(); } } } 錯誤 *********服務器即將啟動，等待客戶端連接******** java.net.SocketException:?Connection?reset at?java.net.SocketInputStream.read(Unknown?Source) at?java.net.SocketInputStream.read(Unknown?Source) at?sun.nio.cs.StreamDecoder.readBytes(Unknown?Source) at?sun.nio.cs.StreamDecoder.implRead(Unknown?Source) at?sun.nio.cs.StreamDecoder.read(Unknown?Source) at?java.io.InputStreamReader.read(Unknown?Source) at?java.io.BufferedReader.fill(Unknown?Source) at?java.io.BufferedReader.readLine(Unknown?Source) at?java.io.BufferedReader.readLine(Unknown?Source) at?Server.main(Server.java:24)