1、几处代码优化

2、实现2个方法

galaxy/galaxy/Classes/Modules/InteractionH5(与H5交互)/YHH5WebViewVC.swift

@@ -106,6 +106,9 @@ class YHH5WebViewVC: YHBaseViewController, WKUIDelegate, WKNavigationDelegate {
     //webView内部返回 - 默认不支持
     var isSupportWebviewInterBackFlag : Bool = false
     
+    //默认的返回按钮图片
+    private var myDefaultBackImage : UIImage = UIImage(named: "activity_nav_back") ?? UIImage()
+    
     override func backItemClick(_ sender: Any) {
         if isSupportWebviewInterBackFlag {
             if webview.canGoBack {
@@ -148,11 +151,15 @@ private extension YHH5WebViewVC {
         gk_navLineHidden = false
         gk_navBackgroundColor = .white
         
+        //默认白色返回按钮
+        gk_backImage = myDefaultBackImage
         
         if isFullScreenFlag {
             gk_navBarAlpha = 0.0
+        } else {
+            gk_navTitle = navTitle
+            gk_navBarAlpha = 1.0
         }
-        gk_navTitle = navTitle
                 
         NotificationCenter.default.addObserver(self, selector: #selector(updateNetWorkUI), name: .reachabilityChanged, object: nil)
         
@@ -345,6 +352,15 @@ extension YHH5WebViewVC {
 // MARK: - h5实现的接口
 extension YHH5WebViewVC {
     
+    func setNavigationBackColor(_ tag : String) {
+        if tag.contains("0") {
+            myDefaultBackImage = UIImage(named: "activity_nav_back") ?? UIImage()
+        } else {
+            myDefaultBackImage = UIImage(named: "back_icon") ?? UIImage()
+        }
+        gk_backImage = myDefaultBackImage
+    }
+    
     func backToAppPreView() {
         self.navigationController?.popViewController()
     }
@@ -390,7 +406,6 @@ extension YHH5WebViewVC {
 //MARK: - UIScrollViewDelegate
 extension YHH5WebViewVC : UIScrollViewDelegate {
     func scrollViewDidScroll(_ scrollView: UIScrollView) {
-        
         if isFullScreenFlag,scrollView == webview.scrollView {
             if scrollView.contentOffset.y > 0 {
                 var alpha =  scrollView.contentOffset.y / (k_Height_NavigationtBarAndStatuBar)
@@ -398,10 +413,12 @@ extension YHH5WebViewVC : UIScrollViewDelegate {
                     alpha = 1.0
                 }
                 gk_navBarAlpha = alpha
-//                gk_navTitle = navTitle
+                gk_navTitle = navTitle
+                gk_backImage = UIImage(named: "back_icon")
             } else {
                 gk_navBarAlpha = 0.0
-//                gk_navTitle = ""
+                gk_navTitle = ""
+                gk_backImage = myDefaultBackImage
             }
         }
     }

galaxy/galaxy/Classes/Modules/InteractionH5(与H5交互)/YHJsApi.swift

@@ -17,6 +17,30 @@ class YHJsApi: NSObject {
 }
 
 extension YHJsApi {
+    //11、设置导航栏返回按钮颜色
+    @objc func setNavigationBackColor(_ color : Any) {
+        DispatchQueue.main.async {
+            if let color = color as? String, color.count > 0 {
+                
+                if let delegate = self.delegate as? YHH5WebViewVC {
+                    delegate.setNavigationBackColor(color)
+                }
+            }
+        }
+    }
+    
+    //10、拨打电话
+    @objc func appCallPhoneSyn(_ phoneNumber : Any) {
+        DispatchQueue.main.async {
+            if let phone = phoneNumber as? String, phone.count > 0 {
+                if let url = URL(string: "tel://\(phone)"),UIApplication.shared.canOpenURL(url) {
+                   UIApplication.shared.open(url, options: [:], completionHandler: nil)
+               } else {
+                   print("无法拨打电话")
+               }
+            }
+        }
+    }
     
     //9、跳转资讯列表页
     @objc func goNewsInformationListUISyn(_ dicData: String) {