// 搜索

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

@@ -10,6 +10,8 @@ import UIKit
 
 class YHSearchInfomationVC: YHBaseViewController {
 
+    static let searchInfoHistoryKey = "searchInfoHistoryKey"
+    static let searchHistoryMaxCount = 10
     var items:[YHHomeListModel] = []
     
     lazy var viewModel : YHHomePageViewModel = {
@@ -23,12 +25,16 @@ class YHSearchInfomationVC: YHBaseViewController {
             [weak self] text in
             guard let self = self else { return }
             searchText(self.searchBar.textField.text ?? "")
+            if let searchText = self.searchBar.textField.text {
+                self.saveSearchHistory(searchText)
+            }
         }
         bar.textChange = {
             [weak self] text in
             guard let self = self else { return }
             if isEmptyString(text) {
                 searchHistoryView.isHidden = false
+                searchHistoryView.updateDataSource(self.getSearchHistoryList())
                 items.removeAll()
                 self.tableView.reloadData()
             }
@@ -57,6 +63,7 @@ class YHSearchInfomationVC: YHBaseViewController {
     
     lazy var searchHistoryView: YHSearchInfoHistoryView = {
         let view = YHSearchInfoHistoryView(frame: CGRect(x: 0, y: searchBar.frame.maxY+8, width: KScreenWidth, height: KScreenHeight-searchBar.frame.maxY-8))
+        view.updateDataSource(self.getSearchHistoryList())
         view.selectBlock = {
             [weak self] text in
             guard let self = self else { return }
@@ -138,6 +145,39 @@ class YHSearchInfomationVC: YHBaseViewController {
             self.tableView.reloadData()
         }
     }
+    
+    func getSearchHistoryList() -> [String] {
+        if let arr = UserDefaults.standard.array(forKey: Self.searchInfoHistoryKey) as? [String] {
+            return arr
+        }
+        return []
+    }
+    
+    func saveSearchHistory(_ text: String) {
+        var arr = getSearchHistoryList()
+        // 查找历史记录中是否有相同记录
+        var targetIndex = -1
+        for (index, history) in arr.enumerated() {
+            if history == text {
+                targetIndex = index
+                break
+            }
+        }
+        // 去除相同记录
+        if 0 <= targetIndex && targetIndex < arr.count  {
+            arr.remove(at: targetIndex)
+        }
+        
+        // 将最近记录放在第一位
+        if arr.count < Self.searchHistoryMaxCount {
+            arr.insert(text, at: 0)
+        } else {
+            arr.insert(text, at: 0)
+            arr.removeLast()
+        }
+        UserDefaults.standard.set(arr, forKey: Self.searchInfoHistoryKey)
+        UserDefaults.standard.synchronize()
+    }
 }
 
 extension YHSearchInfomationVC: UITableViewDelegate, UITableViewDataSource {

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

@@ -10,7 +10,7 @@ import UIKit
 
 class YHSearchInfoHistoryView: UIView {
     
-    var historyItems:[String] = ["阿法守法发生懂法守法阿法守法发生懂法守法阿法守法发生懂法守法阿法守法发生懂法守法", "几天萨法", "阿德", "守法", "几天萨法", "德", "阿法守法发生懂法守法", "阿德", "几天", "阿德", "守法", "几天萨法"]
+    var historyItems:[String] = []
 //    var historyItems:[String] = ["几天2345", "阿", "萨法", "阿德"]
     
     var selectBlock:((String)->())?
@@ -70,6 +70,12 @@ class YHSearchInfoHistoryView: UIView {
         }
     }
     
+    func updateDataSource(_ arr:[String]) {
+        historyItems.removeAll()
+        historyItems.append(contentsOf: arr)
+        self.collectionView.reloadData()
+    }
+    
     // 计算文字宽度大小
     func getwith(font: UIFont, height: CGFloat, string: String) -> CGSize {
         let size = CGSize.init(width: CGFloat(MAXFLOAT), height: height)

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

@@ -20,6 +20,7 @@ class YHSearchItemLayout: UICollectionViewFlowLayout {
     override func layoutAttributesForElements(in rect: CGRect) -> [UICollectionViewLayoutAttributes]? {
         let arrCell = super.layoutAttributesForElements(in: rect)
         if arrCell == nil { return nil }
+        if arrCell!.count <= 1 { return arrCell }
         for i in 1 ..< arrCell!.count {
             //当前 UICollectionViewLayoutAttributes
             let currentLayout = arrCell![i]