IOS converts a UIView to a UIImage

+ (UIImage *) createImageFromView :( UIView *) view

{

// Obtain scale

CGFloat scale = [UIScreen mainScreen]. scale;

Start plotting. In the following method, the first parameter indicates the area size. The second parameter indicates whether it is non-transparent. If you want to display the translucent effect, you need to pass NO; otherwise, pass YES. The third parameter is the screen density.

Uigraphicsbeginimagecontextwitexceptions (CGSizeMake (view. frame. size. width,
View. frame. size. height ),
NO,
Scale );
Add the child view on The view
[View. layer renderInContext: context];
CGContextRestoreGState (context );
// Start generating images
UIImage * image = UIGraphicsGetImageFromCurrentImageContext ();
UIGraphicsEndImageContext ();
Return image;
}