データー保存(超簡単バージョン)(XCODE Version 8.0 (8A218a))
let documents = try! FileManager.default.url(for: .documentDirectory, in: .userDomainMask, appropriateFor: nil, create: false)
let file = "file.txt"
let text = "some text"
if let dir = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first {
let path = dir.appendingPathComponent(file)
//writing
do {
try text.write(to: path, atomically: false, encoding: String.Encoding.utf8)
}
catch {}
//reading
do {
let text2 = try String(contentsOf: path, encoding: String.Encoding.utf8)
print(“ここから)
print(text2)
print(“ここまで”)
}
catch {}