ios截取當前螢幕

ios截取當前螢幕
ios截取當前螢幕by 伍雪穎

- (UIImage *)getSnapshotImage {    UIGraphicsBeginImageContextWithOptions(CGSizeMake(CGRectGetWidth(self.view.frame), CGRectGetHeight(self.view.frame)), NO, 1);    [self.view drawViewHierarchyInRect:CGRectMake(0, 0, CGRectGetWidth(self.view.frame), CGRectGetHeight(self.view.frame)) afterScreenUpdates:NO];    UIImage *snapshot = UIGraphicsGetImageFromCurrentImageContext();    UIGraphicsEndImageContext();    return snapshot;}