0
當我按下回車按鈕時,我的應用程序創建一個pdf文件。我通過下面的代碼來做到這一點。此刻我想保存後自動打開保存的文件。保存後自動打開pdf文件
保存代碼:
@IBAction func EnterButtonAction(_ sender: AnyObject) {
let html = "PDF FILE TITLE"
let fmt = UIMarkupTextPrintFormatter(markupText: html)
// 2. Assign print formatter to UIPrintPageRenderer
let render = UIPrintPageRenderer()
render.addPrintFormatter(fmt, startingAtPageAt: 0)
// 3. Assign paperRect and printableRect
let page = CGRect(x: 0, y: 0, width: 595.2, height: 1000) // A4, 72 dpi
let printable = page.insetBy(dx: 0, dy: 0)
render.setValue(NSValue(cgRect: page), forKey: "paperRect")
render.setValue(NSValue(cgRect: printable), forKey: "printableRect")
// 4. Create PDF context and draw
let pdfData = NSMutableData()
UIGraphicsBeginPDFContextToData(pdfData, CGRect.zero, nil)
for i in 1...render.numberOfPages {
UIGraphicsBeginPDFPage();
let bounds = UIGraphicsGetPDFContextBounds()
render.drawPage(at: i - 1, in: bounds)
}
UIGraphicsEndPDFContext();
// Save PDF file
let path = "\(NSTemporaryDirectory())MyAppFile.pdf"
pdfData.write(toFile: path, atomically: true)
print("open \(path)") // command to open the generated file
}
此問題不完全關於如何打開文件。 –
@ElTomato問題:「此刻我想在保存後自動打開保存的文件。」 –
@ElTomato還有什麼我失蹤? –