利用Qt编写程序界面，接收用户的命令参数，调用外部程序执行数据处理等功能，并将命令执行结果在程序界面展示出来，是一种利用Qt进行快速开发的策略。这里的文档是自己在学习和开发相关功能时用到的资料，具有一定的价值。-Using Qt programming interface, the user receives a command parameter, calling an external program to perform data processing and other functions, and command execution results in the program interface displayed, is a use Qt for rapid development strategy. Here s a document of their own learning and development in the use of data-related functions, has a certain value.