// 删除历史搜索记录

galaxy/galaxy/Classes/Modules/Home(首页)/C/YHSearchInfomationVC.swift

@@ -129,6 +129,17 @@ class YHSearchInfomationVC: YHBaseViewController {
             searchText()
             self.saveSearchHistory(text)
         }
+        view.deleteBlock = {
+            [weak self] in
+            guard let self = self else { return }
+            self.view.endEditing(true)
+            let arr = self.getSearchHistoryList()
+            if arr.count <= 0 {
+                YHHUD.flash(message: "暂无搜索记录~")
+                return
+            }
+            self.showDeleteHistoryAlertView()
+        }
         return view
     }()
     
@@ -179,6 +190,15 @@ class YHSearchInfomationVC: YHBaseViewController {
         }
     }
     
+    func showDeleteHistoryAlertView() {
+        YHCommonAlertView.show("", "确认删除全部历史搜索记录？", "取消", "确认") {
+            
+        } callBack: {
+            self.deleteAllSearchHistory()
+            self.searchHistoryView.updateDataSource([])
+        }
+    }
+    
     func searchText() {
         self.tableView.scrollToTop()
         YHHUD.show(.progress(message: "搜索中..."))
@@ -272,6 +292,11 @@ class YHSearchInfomationVC: YHBaseViewController {
         return []
     }
     
+    func deleteAllSearchHistory() {
+        UserDefaults.standard.set([], forKey: searchInfoHistoryKey)
+        UserDefaults.standard.synchronize()
+    }
+    
     func saveSearchHistory(_ text: String) {
         
         if isEmptyString(text) { return }

galaxy/galaxy/Classes/Modules/Home(首页)/V/YHSearchInfoHistoryView.swift

@@ -14,19 +14,27 @@ class YHSearchInfoHistoryView: UIView {
 //    var historyItems:[String] = ["几天2345", "阿", "萨法", "阿德"]
     
     var selectBlock:((String)->())?
-
+    var deleteBlock:(()->())?
     let interItemSpacing: CGFloat = 12.0 // 相邻单元格之间的水平间距
     let gap: CGFloat = 12.0
     let cellHeight: CGFloat = 30.0 // 单元格的固定高度
 
     lazy var titleLabel: UILabel =  {
-        var label = UILabel()
+        let label = UILabel()
         label.font = .PFSC_R(ofSize: 14)
         label.textColor = UIColor(hex: 0x94A3B8)
         label.text = "历史搜索"
         return label
     }()
     
+    lazy var deleteAllBtn: UIButton = {
+        let btn = UIButton()
+        btn.setImage(UIImage(named: "home_history_delete"), for: .normal)
+        btn.addTarget(self, action: #selector(didDeleteAllBtnClicked), for: .touchUpInside)
+        btn.YH_clickEdgeInsets = UIEdgeInsets(top: 20, left: 20, bottom: 20, right: 20)
+        return btn
+    }()
+    
     lazy var collectionView: UICollectionView = {
         // 创建集合视图布局
         let layout = YHSearchItemLayout()
@@ -54,6 +62,7 @@ class YHSearchInfoHistoryView: UIView {
     
     func setupUI() {
         self.addSubview(titleLabel)
+        self.addSubview(deleteAllBtn)
         self.addSubview(collectionView)
         
         titleLabel.snp.makeConstraints { make in
@@ -63,6 +72,12 @@ class YHSearchInfoHistoryView: UIView {
             make.height.equalTo(20.0)
         }
         
+        deleteAllBtn.snp.makeConstraints { make in
+            make.width.height.equalTo(16)
+            make.right.equalTo(-20)
+            make.centerY.equalTo(titleLabel)
+        }
+        
         collectionView.snp.makeConstraints { make in
             make.top.equalTo(titleLabel.snp.bottom).offset(15.0)
             make.left.right.equalTo(titleLabel)
@@ -75,6 +90,11 @@ class YHSearchInfoHistoryView: UIView {
         historyItems.append(contentsOf: arr)
         self.collectionView.reloadData()
         titleLabel.isHidden = arr.count <= 0
+        deleteAllBtn.isHidden = arr.count <= 0
+    }
+    
+    @objc func didDeleteAllBtnClicked() {
+        deleteBlock?()
     }
     
     // 计算文字宽度大小

galaxy/galaxy/Res/Assets.xcassets/Home/home_history_delete.imageset/Contents.json

+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "delete@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "delete@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}