###Youtube 演示视频： https://www.youtube.com/watch?v=-59238_PxgI
###Github 代码： https://github.com/zhaorui/PbDemo
拷贝内容到剪贴板
let content = "hello world"
let pb = NSPasteboard.general()
pb.clearContents()
pb.writeObjects([content as NSString])
从剪贴板读取内容
let pb = NSPasteboard.general()
let content = pb.readObjects(forClasses: [NSString.self], options: nil)
使用NSPasteboardItem
for item in pb.pasteboardItems ?? [] {
if let str = item.string(forType: kPublicUrl) {
textView.string = "url: \(str)"
} else if let str = item.string(forType: kPublicUrlName) {
textView.string = "url name: \(str)"
} else {
let str = item.string(forType: NSPasteboardTypeString)
textView.string = str
}
}
NSPasteboardItem使用UTI来获取剪贴板内容，NSPasteboardTypeString就是一种UTI，Chrome浏览器中地址栏复制到剪贴板后，其UTI为public.url
###了解UTI
- https://developer.apple.com/library/content/documentation/General/Conceptual/DevPedia-CocoaCore/UniformTypeIdentifier.html
- https://developer.apple.com/library/content/documentation/Miscellaneous/Reference/UTIRef/Articles/System-DeclaredUniformTypeIdentifiers.html#//apple_ref/doc/uid/TP40009259-SW1
- https://developer.apple.com/reference/mobilecoreservices/uttype#//apple_ref/doc/uid/TP40008771
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