简化代码，navBar方法代理默认在baseVc 里面。可以重写

GeliBusinessPlatform.xcodeproj/project.pbxproj

@@ -370,6 +370,7 @@
 		E09B03AD2445B0BA00211A51 /* ViewController */ = {
 			isa = PBXGroup;
 			children = (
+				F95D9CA124493AB90080D6E3 /* 商家信息 */,
 				E0D197CC244855F5002B080C /* 蓝牙连接 */,
 				E0D197C3244845E3002B080C /* 个人中心 */,
 				E0D4166124483045008DCAB4 /* 修改密码 */,
@@ -491,6 +492,13 @@
 			path = AlertView;
 			sourceTree = "<group>";
 		};
+		F95D9CA124493AB90080D6E3 /* 商家信息 */ = {
+			isa = PBXGroup;
+			children = (
+			);
+			path = "商家信息";
+			sourceTree = "<group>";
+		};
 /* End PBXGroup section */
 
 /* Begin PBXNativeTarget section */

GeliBusinessPlatform/BaseView/BaseViewController.swift

@@ -12,7 +12,7 @@ import ObjectMapper
 import Alamofire
 import IQKeyboardManagerSwift
 
-class BaseViewController: UIViewController {
+class BaseViewController: UIViewController ,NavBarViewDelegate{
 
     override func viewWillAppear(_ animated: Bool) {    
         self.navigationController?.navigationBar.isHidden = true
@@ -36,5 +36,8 @@ class BaseViewController: UIViewController {
         // Dispose of any resources that can be recreated.
     }
     
-
+    //MARK: -默认的代理方法delegate方法
+     func backAction() {
+         self.navigationController?.popViewController(animated: true)
+     }
 }

GeliBusinessPlatform/ViewController/修改密码/ChangePassViewController.swift

@@ -9,7 +9,7 @@
 import UIKit
 import LGButton
 
-class ChangePassViewController: BaseViewController,NavBarViewDelegate {
+class ChangePassViewController: BaseViewController {
 
     @IBOutlet weak var newPBtn: UIButton!
     @IBOutlet weak var oldPBtn: UIButton!
@@ -59,10 +59,7 @@ class ChangePassViewController: BaseViewController,NavBarViewDelegate {
      @IBAction func submitAction(_ sender: Any) {
          
      }
-    //MARK: -delegate方法
-    func backAction() {
-        self.navigationController?.popViewController(animated: true)
-    }
+  
 
 
 }

GeliBusinessPlatform/ViewController/换绑支付账号（绑定，换绑）/BindViewController.swift

@@ -9,7 +9,7 @@
 import UIKit
 import LGButton
 
-class BindViewController: BaseViewController,NavBarViewDelegate {
+class BindViewController: BaseViewController {
     
     @IBOutlet weak var submitBtn: LGButton!
     @IBOutlet weak var pinkView: UIView!
@@ -64,9 +64,6 @@ class BindViewController: BaseViewController,NavBarViewDelegate {
       @IBAction func submitBindingAction(_ sender: Any) {
           print("确认绑定账号")
       }
-    //MARK: -delegate方法
-    func backAction() {
-        self.navigationController?.popViewController(animated: true)
-    }
+   
  
 }

GeliBusinessPlatform/ViewController/支付账号（设置，修改）/PayViewController.swift

@@ -8,7 +8,7 @@
 
 import UIKit
 
-class PayViewController: BaseViewController,NavBarViewDelegate {
+class PayViewController: BaseViewController {
 
     @IBOutlet weak var pinkView: UIView!
     
@@ -51,9 +51,5 @@ class PayViewController: BaseViewController,NavBarViewDelegate {
          print("进入格利支付")
      }
 
-       //MARK: -delegate方法
-    func backAction() {
-        self.navigationController?.popViewController(animated: true)
-    }
 
 }

GeliBusinessPlatform/ViewController/消息中心/MsgCenterViewController.swift

@@ -9,7 +9,7 @@
 import UIKit
 import ViewAnimator
 
-class MsgCenterViewController: BaseViewController,NavBarViewDelegate,UITableViewDelegate,UITableViewDataSource {
+class MsgCenterViewController: BaseViewController,UITableViewDelegate,UITableViewDataSource {
     
     //MARK: -animateView
   
@@ -40,16 +40,7 @@ class MsgCenterViewController: BaseViewController,NavBarViewDelegate,UITableView
        
     }
     
-    //MARK: -delegate方法
-    func backAction() {
-        self.navigationController?.popViewController(animated: true)
  
-        //tabelviewcell进场动画
-//        UIView.animate(views: msgTbv!.visibleCells, animations:[animations], reversed: false,
-//                       initialAlpha: 0, finalAlpha: 1.0, completion: {
-//            self.msgTbv!.reloadData()
-//        })
-    }
     //MARK: -Cell delegate方法
     func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
         return 120

GeliBusinessPlatform/ViewController/蓝牙连接/BluetoothConnectViewController.swift

@@ -8,7 +8,7 @@
 
 import UIKit
 
-class BluetoothConnectViewController: BaseViewController,NavBarViewDelegate,UITableViewDelegate,UITableViewDataSource {
+class BluetoothConnectViewController: BaseViewController,UITableViewDelegate,UITableViewDataSource {
 
     
 
@@ -106,9 +106,8 @@ class BluetoothConnectViewController: BaseViewController,NavBarViewDelegate,UITa
     func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
         return 49
     }
-   //MARK: -delegate方法
-    func backAction() {
-        self.navigationController?.popViewController(animated: true)
-    }
 
+    override func backAction() {
+        print("重写back")
+    }
 }

GeliBusinessPlatform/ViewController/账号信息/AccountViewController.swift

@@ -8,7 +8,7 @@
 
 import UIKit
 
-class AccountViewController: BaseViewController,NavBarViewDelegate{
+class AccountViewController: BaseViewController{
 
     @IBOutlet weak var phoneLbl: UILabel!
     @IBOutlet weak var accountLbl: UILabel!
@@ -44,9 +44,6 @@ class AccountViewController: BaseViewController,NavBarViewDelegate{
         print("退出登录")
     }
 
-        //MARK: -delegate方法
-        func backAction() {
-            self.navigationController?.popViewController(animated: true)
-        }
+  
 
 }