YJExtensions

YJExtensions 常用扩展集合

Adding YJSwiftExtensions to your project (添加 YJSwiftExtensions 到你的项目)

CocoaPods

1. Add a pod entry for YJSwiftExtensions to your Podfile

    pod 'YJSwiftExtensions'

2. Install the pod(s) by running

    pod install

3. Include YJSwiftExtensions wherever you need it with

    import YJSwiftExtensions

Carthage

1. Add YJSwiftExtensions to your Cartfile.

    github "YJManager/YJSwiftExtensions"

2. Run

    carthage update

3. Follow the rest of the standard Carthage installation instructions to add YJSwiftExtensions to your project.

Example举例:

由颜色生成图片

/// 颜色生成图片
public static func yj_createImage(_ color: UIColor) -> UIImage? {

let rect = CGRect(x: 0.0, y: 0.0, width: 1.0, height: 1.0)
UIGraphicsBeginImageContext(rect.size)
let context = UIGraphicsGetCurrentContext()
context?.setFillColor(color.cgColor)
context?.fill(rect)
let image = UIGraphicsGetImageFromCurrentImageContext()
UIGraphicsEndImageContext()
return image ?? nil
}