JianDanImgDownDemo

多协议文件传输c/s网络应用设计与实现,程序用 TCP/UDP 两个协议模拟多协议服务器。首先服务器端要将两种协议的套接字创建好，并且监听 TCP 端口的连接。必要时使用select函数来进行多连接处理和非阻塞处理。而客户端直接可以按照发送的地址和端口号来进行通讯。 首先要运行服务器端，服务器会监听 TCP 端口。然后运行客户端，根据事先设定好的 IP和端口，就可以进行连接传输数据了。 程序实现的关键步骤： 以TCP协议为例 服务器端： 1.创建套接字；2.绑定端口；3.进入无穷的循环；4.接收请求；5.处理请求；6.应答。 客户端： 1.找到服务器的IP地址和协议的端口号；2.创建套接字；3.确定连接需要任意的，没有使用的端口号允许TCP去选择一个；4.将套接字和服务器连接；5.使用应用层协议和服务器交互；6.关闭连接。 (Multi-protocol file transfer c/s network application design and implementation of programs simulate multi-protocol server with TCP/UDP both protocols. First socket server to create a good two protocols, TCP port and listens for connections. If necessary, use the function to handle multiple connections and non-blocking treatment. And the client can follow directly address and port number to communicate. First run on the server side, the server listens on TCP port. Then run the client, according to pre-configured IP and port, you can connect the data transmission. The key step program implementation: In TCP protocol as an example Service-Terminal: 1. Create a socket 2 bound port 3 enter an infinite loop 4. receiving a request 5. processing requests 6 response. Clients: 1. Locate the server s IP address and protocol port number 2 creates a socket 3 connections need to determine arbitrary, unused port allows TCP to choose a 4 and the socket server connections 5 using appli)

说明：  编写一个程序，用以接受用户输入的两个double类型的值。一个值表示用户想要存放在银行账户中的金额。另一个值表示用户想要从银行账户中提取的金额。创建自定义异常，以确保提取的金额始终小于或等于当前的余额。引发异常时，程序应显示一则错误消息。否则，程序应显示从用户存款中扣除取款额之后的账户余额。(Write a program to accept the value of two double types that the user enters. A value represents the amount the user wants to store in a bank account. The other value is the amount that the user wants to extract from the bank account. Create a custom exception to ensure that the amount extracted is always less than or equal to the current balance. When an exception is caused, a program should display an error message. Otherwise, the program should show the balance of the account after deducting the amount from the user's deposit.)

说明：  horstma

说明：  vc++开发的屏幕编辑工具，已编译调试通过(vc development of the screen editing tools, compiled through debugging.)

说明：  12864液晶显示能够成熟运用在51上面的C语言编程，大家赶快下载！(12864 LCD can mature in 51 above, the use of C-language programming, we hasten to download!)

本程序通过 c++ 工具进行对BMP图像显示，转换为TXT格式并进行存储，适合于开发系统C++的研究者！(This procedure through the c++ tool for the BMP image display, converted to TXT format and storage, suitable for the development of system C++ researchers!)

网络分析，选取点，对所选取的点进行网络分析和计算(Network analysis, select points, network analysis and calculation of the selected points)

Program in Java for Library System, register with database

C编程设计的多变闹钟经典源码 C programming classic design of the variable clock source(C programming classic design of the variable clock source)

利用DSP上所带的按键发送字符串以达到控制(use keys to send message)