如何在iPhone，UILabel Round Corners中使用圆角标签

问题描述

我在视图中使用了一些标签。我想在我的iphone应用程序中制作圆角标签。我使用以下代码来执行此操作，但它不起作用。我有一些错误要使用这些属性。

I am using some labels in a view. I want to make rounded corner label in my iphone application. I use following code to do this but it's not work. I got have some errors to use that properties.

label.layer.borderColor = [UIColor blueColor].CGColor;
label.layer.borderWidth = 4.0;
label.layer.cornerRadius = 8;

推荐答案

很难确切知道你在问什么你没有包含你得到的错误。您是否已将 QuartzCore 框架添加到项目中，并将 #import< QuartzCore / CALayer.h> 添加到文件修改中这层？如果不是这样，请将错误和更多信息添加到您的问题中。

Hard to know for sure what you're asking as you didn't include the errors you're getting. Have you added the QuartzCore framework to your project and #import <QuartzCore/CALayer.h> to the file modifying the layer? If that's not it, add the errors and more info to your question.

编辑：您还可以 #import< QuartzCore / QuartzCore.h> ; ，如评论中所示。 QuartzCore.h 包括 CALayer.h 以及 QuartzCore 组件。

you can also #import <QuartzCore/QuartzCore.h> as suggested in the comments. QuartzCore.h includes CALayer.h along with the rest of the QuartzCore components.

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