ftp client program

/*** TCP: Transmission Control Protocol, the use of three-way handshake to ensure accurate connection operation. * UDP: Datagram protocol, send datagram, for example: SMS or QQ message. *//*** TCP server-side programs*/ Public classMain { Public Static voidMain (string[] args) {Try{serversocket S1=NewServerSocket (57712);//Create a server-side socketSYSTEM.OUT.PRINTLN ("Server is started, waiting for connection ....")); Socket s= S1.accept ();//waits for the

("The message is successfully written to the client! ");} Catch (IOException e ){E. printStackTrace (); } } } } Program The code is as follows:Copy code Import java. awt .*;Import java. awt. event .*;Import java. io .*;Import java. lang .*;Import java.net .*;Public class HeartClient extends Frame {/** Member method appearance...*/Private TextField tfText;Private TextArea taContent;Private

directory is:". getcwd (). "Download_file ($ fn [$ I], $ fc, $ _ FILE _); // recursively enter this directory to download files.}} // Extract the file and the directory ends} // The for loop ends.Ftp_cdup ($ fc); // the ftp server returns the upper directoryChdir (dirname ($ _ FILE _));} // Download -- file () function ends$ _ FILE _ = "absolute address of the Local Machine"; // For example, c:/download. Do not use c:/download/$ Hostname = "server na

: protocol name://such as: jun://hit Enter (many browsers can not directly input, to use a tag jump, ie can be directly input, the proposed use of IE test)Open the program from the browser has been implemented, then the parameters, how to pass the parameter, in fact, it is quite simple, then we take the Main method parameters (through args):Change the Main method to: Static voidMain (string[] args) { if(args. Length >0) {Console.WriteLine (

intNIndex;5 6 while(!m_rxbuffer.isempty ())//there is received data to be processed7 {8NIndex = M_rxbuffer.find ("\ r \ n");//to find a complete command of the Terminator9 if(NIndex! =-1)Ten { Onestrtemp = M_rxbuffer.left (NIndex);//to extract this command. AM_rxbuffer = M_rxbuffer.mid (NIndex +2);//Update M_rxbuffer Remove commands that have been extracted - if(!strtemp.isempty ()) - { theM_strcommands.addtail (strtemp);//It is possible to e

fact, Java and the browser has already encapsulated, programmers just focus on the implementation of the business logic is OK, these do not have to care!!To understand the interaction principle, we look back at the original question, in fact, this question is not difficult to answer: JSP is ultimately compiled by the Java Web server into a servlet to execute, the nature of the struts framework is the servlet + JavaBean do a lightweight package, So the final server sends the response data to the

What are the environment variables of MySQL customers? This is a problem that many people have mentioned. The following describes the MySQL client environment variable program in detail, hoping that you can learn more about MySQL client environment variables. All MySQL customers who use the mysqlclient Client

6.5 client program 4-Get connection parameters at run timeNow that we have the easy to modify connection code to prevent errors, we need to learn how to do something more dexterous than using NULL connection parameters, such as allowing the user to specify some values at run time. Client program 3 due to fixed connecti

MySQL provides a client library written in the C programming language that can be used to write client programs that access MySQL. This library defines the application programming interface, including the following utilities:Establishes and terminates a connection management routine with a server session.Constructs a routine for the query, sends the routines to the server, and processes the results.When oth

6.3 Client program 2-Increase error checkingOur second client program will be like the first client program, but will modify them to consider the possibility of error occurrence. Projects such as "practice error checking as a read

The general process of establishing a MYSQL client program [group chart] MySQL provides a client library written in C programming language, which can be used to compile a client program for accessing MySQL. This library defines the application programming interface, includin

First, the introductionUDP is a kind of transport layer protocol in TCP/IP protocol, this paper introduces the method of programming Client/server model based on UDP protocol under Linux, and gives an echo client/server example program.Brief introduction of UDP protocolUDP is a simple Transport layer protocol, which is described in detail in RFC768. UDP protocol is a kind of connectionless and unreliable da

There are many features.ProgramReadability is good, and many program styles are worth learning.The most interesting thing is the program remarks. What colors are available, white and red flashing, dazzling ..... Then, IP filtering is added based on your needs. ====================This is a recommended savf upload method.The file in the zip is a AS/400 save file. I like to do it like this:-Unzip the file

Web| Program | client 　　 SummaryEclipse's rich Client platform (RCP) is rapidly becoming a framework choice for building fat client applications. This article will give you a detailed description of how to use Eclipse RCP for spring web development. 　　 I. IntroductionWhile Web 2.0 and Rich Internet Applications (RIA)

) {/* C Hild process */close (LISTENFD);/* Close listening Socket */str_echo (CONNFD);/* Process the request */exit (0);} Close (CONNFD);/* Parent Closes connected socket */}} #include ". /unpv13e/unp.h "#include ". /unpv13e/apueerror.h "#include ". /unpv13e/wrapsock.h "#include ". /unpv13e/wrapunix.h "#include ". /unpv13e/wraplib.h "#include ". /unpv13e/writen.h "#include ". /unpv13e/str_cli.h "#include ". /unpv13e/readline.h "#include ". /unpv13e/wrapstdio.h "Intmain

6.2 Client Program 1-Connect to ServerOur first MySQL client program is simple: Connect to the server, disconnect, and exit. It's not very useful in itself, but you must know how to do it, because actually doing anything with a MySQL database must be connected to the server. This is a common operation, and the code to

Our writing program is commonly used to get the value of the field, for different field types, the value obtained through GetValue () is as follows, this table is taken from the Xrm.Page.data.entity attribute (client-side Reference) chapter in the SDK. attribute Type return Type boolean boolean datetime date to get the string ve

The following describes how to learn the socket API through the simplest client/server program instance. The function of the echoser. C program is to read characters from the client and then direct the echo back. C ++ code 1 2 3 4 5 6 7 8 9 10 11

The Example will use sockets to manipulate the server and the client in the simplest way. The whole job of the server is to wait to establish a connection and then create a inputstream and a outputstream with the socket that the connection produces. After that, everything it reads from the InputStream is fed back to OutputStream until the line abort (end) is received, and the connection is closed. The client