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当我按下回车按钮时,我的应用程序创建一个pdf文件。我通过下面的代码来做到这一点。此刻我想保存后自动打开保存的文件。保存后自动打开pdf文件
保存代码:
@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
}
此问题不完全关于如何打开文件。 –
@ElTomato问题:“此刻我想在保存后自动打开保存的文件。” –
@ElTomato还有什么我失踪? –