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Other Projects/Jike/SwiftUI_Jike/GYTabBarViewController.swift

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+//
+//  GYTabBarViewController.swift
+//  SegmentDemo
+//
+//  Created by alexyang on 2019/6/6.
+//  Copyright © 2019 alexyang. All rights reserved.
+//
+
+import SwiftUI
+
+struct GYTabBarViewController : UIViewControllerRepresentable {
+    
+    func makeCoordinator() -> GYTabBarViewController.Coordinator {
+        Coordinator(self)
+    }
+    
+    var titles:[String]
+    var imgs:[String]
+    var imgSels:[String]
+    var controllers:[UIViewController]
+    
+    func makeUIViewController(context: Context) -> UITabBarController {
+        
+        let tabBar = UITabBarController()
+        var index:Int = 0
+        let attributes =  [NSAttributedString.Key.foregroundColor: UIColor.black]
+        for vc in controllers {
+            let title = titles[index]
+            let image = UIImage(named: imgs[index])
+            let imgSel = UIImage(named: imgSels[index])
+            let tabBarItem = UITabBarItem(title: title, image: image, selectedImage: imgSel)
+            tabBarItem.setTitleTextAttributes(attributes, for: .selected)
+            vc.tabBarItem = tabBarItem
+            index += 1
+        }
+        tabBar.viewControllers = controllers
+        tabBar.delegate = context.coordinator
+        return tabBar
+    }
+    
+    func updateUIViewController(_ tabBarVC: UITabBarController, context: Context) {
+        tabBarVC.setViewControllers(controllers, animated: true)
+    }
+    
+    class Coordinator: NSObject, UITabBarControllerDelegate {
+        var parent: GYTabBarViewController
+        
+        init(_ tabBarVC: GYTabBarViewController) {
+            self.parent = tabBarVC
+        }
+        
+        func tabBarController(_ tabBarController: UITabBarController, didSelect viewController: UIViewController) {
+        
+        }
+        
+        func tabBarController(_ tabBarController: UITabBarController, shouldSelect viewController: UIViewController) -> Bool {
+            return true
+        }
+    }
+}