[SWIFT]UIDocumentPickerViewController PDF 문서 멀티선택 첨부

[Info.plist] 추가

- ApplicationSupports iTunes file sharing : YES

- Supports opening documents in place : YES

 

import UIKit
import UniformTypeIdentifiers
import MobileCoreServices

class PDFDocsAttach: NSObject {
    static let shared = PDFDocsAttach()
    var pdfDataClosur: ((_ pdfDatas: [Data]) -> Void)?
    
    
    override init() {
        super.init()
    }
    
    class func show() {
        guard let topVC = UIApplication.currentTopViewController() else {
            return
        }
        
        var documentPicker: UIDocumentPickerViewController!
        
        if #available(iOS 14, *) {
            documentPicker = UIDocumentPickerViewController(forOpeningContentTypes: [UTType.pdf])
        } else {
            documentPicker = UIDocumentPickerViewController(documentTypes: [kUTTypePDF as String], in: .import)
        }
        
        documentPicker.delegate = shared
        documentPicker.allowsMultipleSelection = true
        documentPicker.modalPresentationStyle = .overFullScreen//.formSheet
        
        topVC.present(documentPicker, animated: true)
    }
}

extension PDFDocsAttach: UIDocumentPickerDelegate {
    func documentPicker(_ controller: UIDocumentPickerViewController, didPickDocumentsAt urls: [URL]) {
        
        var pdfDatas: [Data] = []
        for url in urls {
            
            // Make sure you release the security-scoped resource when you finish.
            defer {
                url.stopAccessingSecurityScopedResource()
            }
            
            // Start accessing a security-scoped resource.
            guard url.startAccessingSecurityScopedResource() else {
                // Handle the failure here.
                return
            }
            
            do {
                let data = try Data.init(contentsOf: url)
                pdfDatas.append(data)
                // You will have data of the selected file
            }
            catch let error {
                log(direction: .ERROR, ofType: self, datas: error.localizedDescription)
            }
            
            
        }
        
        PDFDocsAttach.shared.pdfDataClosur?(pdfDatas)
        
    }
    
    func documentPickerWasCancelled(_ controller: UIDocumentPickerViewController) {
        controller.dismiss(animated: true, completion: nil)
    }
}

 

[사용방법]

PDFDocsAttach.show()
PDFDocsAttach.shared.pdfDataClosur = { pdfs in
	for i in 0..<pdfs.count {
		FileSaveManager.fileSave(fileName: "\(i+1).pdf", data: pdfs[i])
	}
}