C/C++中预编译#,##,#error作用 From: http://bluefairy218.blog.163.com/blog/static/313917532008456397524/#是生成字符串: #define a(x) #x a(bc) => "bc"##是连接: #define a(x) abc##x a(123) C 2023-12-25 174 点赞 2 评论 263 浏览