ios 将view转换成image

//将UIView转成UIImage

-(UIImage *)getImageFromView:(UIView *)theView

{

//UIGraphicsBeginImageContext(theView.bounds.size);

UIGraphicsBeginImageContextWithOptions(theView.bounds.size, YES,
theView.layer.contentsScale);

[theView.layer renderInContext:UIGraphicsGetCurrentContext()];

UIImage *image=UIGraphicsGetImageFromCurrentImageContext();

UIGraphicsEndImageContext();

return image;

}