panqihua
5 years ago
parent
af63582d43
commit
bc6d795f8b
@ -1,29 +0,0 @@ |
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// |
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// Alert.swift |
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// cloudmusic |
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// |
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// Created by Qihua Pan on 2020/7/3. |
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// Copyright © 2020 Qihua Pan. All rights reserved. |
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// |
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|
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import UIKit |
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import CoreData |
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extension UIViewController{ |
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func alert(message:String,title:String="警告信息",preferredStyle:UIAlertController.Style=UIAlertController.Style.alert,style:UIAlertAction.Style=UIAlertAction.Style.destructive){ |
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let alertController = UIAlertController(title: title, message: message, preferredStyle: preferredStyle) |
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alertController.addAction(UIAlertAction(title: "确认", style:style, handler: nil)) |
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self.present(alertController, animated: true, completion: nil) |
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} |
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//获取上下文对象 |
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func getContext()-> NSManagedObjectContext { |
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//获取总代理 |
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let appDelegate = UIApplication.shared.delegate as! AppDelegate |
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//获取托管对象总管 |
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//let managedObjectContect = appDelegate.persistentContainer.viewContext |
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//返回托管对象总管 |
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return appDelegate.persistentContainer.viewContext |
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} |
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} |
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@ -0,0 +1,94 @@ |
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// |
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// Alert.swift |
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// cloudmusic |
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// |
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// Created by Qihua Pan on 2020/7/3. |
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// Copyright © 2020 Qihua Pan. All rights reserved. |
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// |
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|
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import UIKit |
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import CoreData |
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extension UIViewController{ |
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func alertModal(message:String,title:String="警告信息",preferredStyle:UIAlertController.Style=UIAlertController.Style.alert,style:UIAlertAction.Style=UIAlertAction.Style.destructive){ |
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let alertController = UIAlertController(title: title, message: message, preferredStyle: preferredStyle) |
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alertController.addAction(UIAlertAction(title: "确认", style:style, handler: nil)) |
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self.present(alertController, animated: true, completion: nil) |
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} |
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//获取上下文对象 |
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func getContext()-> NSManagedObjectContext { |
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//获取总代理 |
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let appDelegate = UIApplication.shared.delegate as! AppDelegate |
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//获取托管对象总管 |
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//let managedObjectContect = appDelegate.persistentContainer.viewContext |
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//返回托管对象总管 |
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return appDelegate.persistentContainer.viewContext |
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} |
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func getMusic(id: Int32,name: String) -> Music { |
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let fetchRequest: NSFetchRequest = Music.fetchRequest() |
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fetchRequest.predicate = NSPredicate(format: "id == %@", NSNumber(value: id)) |
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do { |
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let result: [Music] = try self.getContext().fetch(fetchRequest) |
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debugPrint("count=\(result.count)") |
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if result.count > 0{ |
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return result[0] |
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}else{ |
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let music = NSEntityDescription.insertNewObject(forEntityName: "Music", into: self.getContext()) as! Music |
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music.id=id |
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music.name=name |
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music.status=false |
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return music |
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} |
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} catch { |
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fatalError(); |
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} |
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} |
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func clearAll(){ |
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let fetchRequest: NSFetchRequest = Music.fetchRequest() |
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let context=self.getContext() |
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do { |
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let result = try context.fetch(fetchRequest) |
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for item in result{ |
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context.delete(item) |
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} |
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do { |
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try self.getContext().save() |
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} catch { |
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let nserror = error as NSError |
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fatalError("Unresolved error \(nserror), \(nserror.userInfo)") |
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} |
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} catch { |
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fatalError(); |
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} |
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} |
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func getPlayList()->[Music]{ |
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let fetchRequest: NSFetchRequest = Music.fetchRequest() |
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fetchRequest.predicate = NSPredicate(format: "status == true") |
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do { |
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let result: [Music] = try self.getContext().fetch(fetchRequest) |
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return result |
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} catch { |
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fatalError(); |
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} |
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} |
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// 更新数据 |
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func saveContext() { |
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do { |
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try self.getContext().save() |
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} catch { |
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let nserror = error as NSError |
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fatalError("Unresolved error \(nserror), \(nserror.userInfo)") |
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} |
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} |
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} |
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@ -0,0 +1,34 @@ |
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// |
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// MyTabBar.swift |
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// cloudmusic |
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// |
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// Created by Qihua Pan on 2020/7/4. |
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// Copyright © 2020 Qihua Pan. All rights reserved. |
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// |
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import UIKit |
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class MyTabBar: UITabBarController { |
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static var myTabBar:MyTabBar? |
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override func viewDidLoad() { |
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super.viewDidLoad() |
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// Do any additional setup after loading the view. |
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} |
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/* |
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// MARK: - Navigation |
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// In a storyboard-based application, you will often want to do a little preparation before navigation |
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override func prepare(for segue: UIStoryboardSegue, sender: Any?) { |
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// Get the new view controller using segue.destination. |
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// Pass the selected object to the new view controller. |
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} |
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*/ |
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} |
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@ -1,10 +1,13 @@ |
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<?xml version="1.0" encoding="UTF-8" standalone="yes"?> |
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<model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="16119" systemVersion="19F101" minimumToolsVersion="Automatic" sourceLanguage="Swift" userDefinedModelVersionIdentifier=""> |
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<entity name="Music" representedClassName="Music" syncable="YES" codeGenerationType="class"> |
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<attribute name="id" optional="YES" attributeType="Integer 64" defaultValueString="0" usesScalarValueType="YES"/> |
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<attribute name="filepath" optional="YES" attributeType="String"/> |
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<attribute name="id" optional="YES" attributeType="Integer 32" defaultValueString="0" usesScalarValueType="YES"/> |
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<attribute name="name" optional="YES" attributeType="String"/> |
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<attribute name="status" optional="YES" attributeType="Boolean" usesScalarValueType="YES"/> |
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<attribute name="url" optional="YES" attributeType="String"/> |
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</entity> |
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<elements> |
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<element name="Music" positionX="-45" positionY="0" width="128" height="73"/> |
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<element name="Music" positionX="-45" positionY="0" width="128" height="118"/> |
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</elements> |
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</model> |
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