程序实现多国语言的动态切换解决方案。把所有用到的字符串都放到文件中,一种语言一个文件,根据选择的语言到对应的文件中去加载字符串。这样不但可以动态切换语言,而且用户可以根据需要自己添加新的语言。-Procedures for multi-language dynamic switching solution. All the strings used are into file, a language of a document, depending on the chosen language to the corresponding file to load a string. Not only can dynamically switch languages, and users can add a new language needs its own.