Jeff LaMarche有一些非常好的iOS-看起来和简单易用的程序化渐变按钮。

Jeff LaMarche has some very iOS-looking and simple-to-use programmatic gradient buttons here.

您只需要在项目中添加.h和.m文件，就可以了。

You just need to add a .h and .m file to your project and you are good to go.