Basically, we are going to set up our parser so that it will search a given file for a specified keyword and then return the value associated with the keyword.
Basically, we are going to set up our parser so that it will search a given file for a specified keyword and then return the value associated with the keyword.
最主要的，我们应建立我们的解释器，它将会在给定的文件中搜索指定的关键词并返回与之关联的值。