我在Xcode 8和斯威夫特3創建一個謎字的項目,我創建的SQLite文件和plist文件,SQLite的文件有3列ID,問題和答案,所有這些列(串),當然除了ID是一個整數,我的plist文件是字符字母排列,我的問題是如何列號3(答案)從字符串轉換爲字符數組一樣的plist不帶引號和方括號? 這是我的代碼以SQLite數據庫(DatabaseHelper)字符串轉換爲字符數組
import GRDB
class DatabaseHelper {
var dbQueue: DatabaseQueue = {
var db: DatabaseQueue = DatabaseQueue()
do {
db = try DatabaseQueue(path: Bundle.main.path(forResource: "testDB", ofType: "sqlite")!)
print("Connect database sqlite is OK...")
} catch {
print("Connect databse fail !!!")
}
return db
}()
func getDatabase(rowId: Int) -> [DatabaseModel] {
var listDatabase = [DatabaseModel]()
dbQueue.inDatabase { db in
do {
for row in try Row.fetchAll(db, "select * from QuestionTable where Id = \(rowId)") {
let newDatabase = DatabaseModel()
newDatabase.id = row.value(named: "Id") as Int
newDatabase.ques = row.value(named: "question") as String
newDatabase.ans = row.value(named: "answer") as String
listDatabase.append(newDatabase)
}
} catch {
print("Get all database fail !!!")
}
}
return listDatabase
}
}
連接而這種代碼是DatabaseModel:
import Foundation
class DatabaseModel: NSObject {
var id: Int?
var ques: String?
var ans = String()
}
此代碼從數據庫調用:
var dbHelpr = DatabaseHelper()
var listdata = [DatabaseModel]()
let pathRes = Bundle.main.path(forResource: fileName, ofType: fileExt)
let pathDict = NSDictionary(contentsOfFile: pathRes!)
var letters : [String] = pathDict?.object(forKey: "Letters") as! [String]
listdata = dbHelpr.getDatabase(rowId: id)
// print("\(letters.shuffled())")
for data in listdata {
let dataAnswer : String = data.ans
let dataArrayAnswer = Array(dataAnswer.characters)
print(dataAnswer)
let lastLetters = letters.append(String(describing: dataArrayAnswer))
print(lastLetters)
}
而且這是我在輸出控制檯:
你試圖解決什麼問題? – BallpointBen
我的問題我想從SQLite數據庫轉換我的字符串數組的字符@BallpointBen –
什麼是你正在試圖解決更大的問題? – BallpointBen