swift Swift-将图像保存在文档目录中

Posted 2021-05-19

See: https://www.appcoda.com/cloudkit-introduction-tutorial/

01. Declare:

var imageURL: NSURL!
let documentsDirectoryPath = NSSearchPathForDirectoriesInDomains(.DocumentDirectory, .UserDomainMask, true)[0] as! NSString
let tempImageName = "temp_image.jpg"

02. Create a custom method

func saveImageLocally() {
    let imageData: NSData = UIImageJPEGRepresentation(imageView.image, 0.8)
    let path = documentsDirectoryPath.stringByAppendingPathComponent(tempImageName)
    imageURL = NSURL(fileURLWithPath: path)
    imageData.writeToURL(imageURL, atomically: true)
}

03. Call it

 saveImageLocally()