//返回裁剪區(qū)域圖片
-(UIImage*)clicpViewWithRect:(CGRect)aRect {?//arect 想要截圖的區(qū)域
? ? CGFloat scale = [UIScreen mainScreen].scale;
? ? aRect.origin.x*= scale;
? ? aRect.origin.y*= scale;
? ? aRect.size.width*= scale;
? ? aRect.size.height*= scale;
? ? UIGraphicsBeginImageContextWithOptions(CGSizeMake(self.view.width, self.view.height), YES, scale);
? ? [self.view.layer renderInContext:UIGraphicsGetCurrentContext()];
? ? UIImage *viewImage = UIGraphicsGetImageFromCurrentImageContext();
? ? UIGraphicsEndImageContext();
? ? CGImageRefimageRef = viewImage.CGImage;
? ? CGImageRef imageRefRect =CGImageCreateWithImageInRect(imageRef, aRect);
? ? UIImage*sendImage = [[UIImagealloc]initWithCGImage:imageRefRect];
? ? returnsendImage;
}
