动态链接库在编译时不会生成.lib文件(Visual Studio c++ Express)

As part of learning C++, I wrote a simple class library + application that references it. Everything builds, except the class library does not generate a .lib file, which results in the application throwing a "LINK : fatal error LNK1104: cannot open file". This seems very reasonable; obviously, if a necessary file isn't there, there's an error and it's fatal. (Side note: I don't have a book yet)As part of learning C++, I wrote a simple class