错误 iOS引入头文件时,引入的是.m文件报错 iOS linker command failed with exit code 1 (use -v to see invocation)

 

1.报错:  linker command failed with exit code 1 (use -v to see invocation)

 

 

 

2.寻找报错的类文件,看到引入头文件时, 引入的是.m文件,不是 .h文件