能夠採用例如以下方法，寫一個函數：

-(UIImage*) getOneImageButtonWithArrow{//tmpView做附控件UIView *tmpView = [[UIView alloc] initWithFrame:CGRectMake(0.0f, 0.0f, 38.0f, 32.0f)];tmpView.backgroundColor = [UIColor clearColor];//bgImg作為背景UIImage* bgImg = [UIImage imageNamed:@"background.png"];UIImageView *bgImageView = [[UIImageView alloc] initWithImage:bgImg];bgImageView.frame = tmpView.frame;//增加tmpView[tmpView addSubview:bgImageView];[bgImageView release];//里面的iconUIImageView *tmpImageView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"icon.png"]];tmpImageView.frame = CGRectMake(4.0f, 4.0f, 24.0f, 24.0f);tmpImageView.backgroundColor = [UIColor clearColor];tmpImageView.alpha = 1.0f;[tmpView addSubview:tmpImageView];//箭頭UIImage *arrowImage = [UIImage imageNamed:@"arrow.png"];UIImageView *arrowImageView = [[UIImageView alloc] initWithImage:arrowImage];arrowImageView.frame = CGRectMake(28.0f, 4.0f, 6.0f, 24.0f);[tmpView addSubview:arrowImageView];//獲取上下文。得到這個UIImageUIGraphicsBeginImageContextWithOptions(tmpView.bounds.size, NO, 0.0);[tmpView.layer renderInContext:UIGraphicsGetCurrentContext()];UIImage *tmpImage = UIGraphicsGetImageFromCurrentImageContext();UIGraphicsEndImageContext();return tmpImage; }

轉載于:https://www.cnblogs.com/ldxsuanfa/p/10621826.html

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