同上，完善

GeliBusinessPlatform/ViewController/商品管理/GoodsManageListVC.swift

@@ -13,7 +13,7 @@ class GoodsManageListVC: BaseViewController, UICollectionViewDelegate, UICollect
     
     
     var collection : UICollectionView? = nil
-    let layout = UICollectionViewFlowLayout()
+    var layout = UICollectionViewFlowLayout()
     private let animations = [AnimationType.from(direction: .bottom, offset: 100.0)]
 
     private var items = [Any?]()
@@ -21,6 +21,9 @@ class GoodsManageListVC: BaseViewController, UICollectionViewDelegate, UICollect
     @IBOutlet weak var contentView: UIView!
     override func viewDidLoad() {
         super.viewDidLoad()
+        
+        layout.headerReferenceSize = CGSize(width: 375, height: 50)
+        
         self.collection = UICollectionView(frame: CGRect(x: 0, y: 0, width: 0, height: 0), collectionViewLayout: layout)
         
         self.collection?.delegate = self
@@ -33,6 +36,9 @@ class GoodsManageListVC: BaseViewController, UICollectionViewDelegate, UICollect
         })
         self.collection?.register(UINib(nibName: "GoodsCollectionViewCell", bundle: nil), forCellWithReuseIdentifier: "GoodsCollectionViewCell")
         
+        self.collection?.register(UICollectionReusableView.self, forSupplementaryViewOfKind: UICollectionView.elementKindSectionHeader, withReuseIdentifier: "headerIdentifier")
+
+        
         DispatchQueue.main.asyncAfter(deadline: .now() + 0.33) {
             self.items = Array(repeating: nil, count: 11)
             self.collection?.reloadData()
@@ -45,6 +51,23 @@ class GoodsManageListVC: BaseViewController, UICollectionViewDelegate, UICollect
         }
  
     }
+    func collectionView(_ collectionView: UICollectionView, viewForSupplementaryElementOfKind kind: String, at indexPath: IndexPath) -> UICollectionReusableView {
+        
+        let headerV = collectionView.dequeueReusableSupplementaryView(ofKind: UICollectionView.elementKindSectionHeader, withReuseIdentifier: "headerIdentifier", for: indexPath)
+        
+        
+        let headerLbl = UILabel(frame: CGRect(x: 15, y: 0, width: 100, height: 50))
+        headerLbl.text = "共x件商品"
+        
+        headerV.addSubview(headerLbl)
+        
+        return headerV
+        
+        
+    }
+       func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, referenceSizeForHeaderInSection section: Int) -> CGSize {
+           return CGSize.init(width: 375, height: 50)
+       }
     
     func numberOfSections(in collectionView: UICollectionView) -> Int {
         return 1