iOS中UITableView經(jīng)常會(huì)出現(xiàn)需要對(duì)cell進(jìn)行編輯硬耍，全選，刪除等操作边酒，在navigationItem的BarButtonItems上加載按鈕经柴，效果圖如下

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我這里是，刪除了現(xiàn)有的墩朦，如果還有數(shù)據(jù)坯认，會(huì)繼續(xù)加載，看之前寫(xiě)的上拉刷新跟下拉加載更多氓涣，上代碼牛哺，代碼里把上拉刷新，下拉加載代碼去掉了春哨，如有需要完整可以留言或私聊我

//
//  MESsagneVC.swift
//  ios
//
//  Created by 李鑫豪 on 2018/8/16.
//  Copyright ? 2018年 李鑫豪. All rights reserved.
//

import UIKit
import SwiftyJSON
import ESPullToRefresh
class MESsagneVC: UIViewController,UITableViewDelegate,UITableViewDataSource{
 //懶加載
    lazy var myTableView: UITableView = {
        let vc = UITableView()
        vc.isEditing = false//默認(rèn)設(shè)為不可編輯荆隘。點(diǎn)擊編輯才可編輯
        return vc
    }()
   var pageNumber = 2  //第一次加載為1，因?yàn)榇蜷_(kāi)界面的時(shí)候已經(jīng)加載第一頁(yè)了赴背，默認(rèn)下拉的時(shí)候加載第二頁(yè)
    var messageCount = 0    //初始數(shù)
    var messageOriginalCount = 0      //加載時(shí)的原始數(shù)量
//編輯按鈕
    lazy var rightBtn: UIButton = {
        let btn = UIButton()
        btn.titleLabel?.font = UIFont.systemFont(ofSize: 16)
        btn.setTitle("編輯", for: .normal)//默認(rèn)為編輯
        btn.setTitle("完成", for: .selected)//點(diǎn)擊之后為完成
        btn.setTitleColor(UIColor.blue, for: .normal)
        btn.setTitleColor(UIColor.blue, for: .selected)
        btn.addTarget(self, action: #selector(rightBtnAction), for: .touchUpInside)
        return btn
    }()
//刪除按鈕
    lazy var deleteBtn: UIButton = {
        let btn = UIButton()
        btn.titleLabel?.font = UIFont.systemFont(ofSize: 16)
        btn.setTitle("刪除", for: .normal)//默認(rèn)為刪除
        btn.setTitleColor(UIColor.blue, for: .normal)
        btn.addTarget(self, action: #selector(deleteBtnAction), for: .touchUpInside)
        return btn
    }()
//全選按鈕
    lazy var allBtn: UIButton = {
        let btn = UIButton()
        btn.titleLabel?.font = UIFont.systemFont(ofSize: 16)
        btn.setTitle("全選", for: .normal)//默認(rèn)為全選
        btn.setTitle("取消", for: .selected)//點(diǎn)擊全選之后為取消
        btn.setTitleColor(UIColor.blue, for: .normal)
        btn.setTitleColor(UIColor.blue, for: .selected)
        btn.isHidden = true  //默認(rèn)不顯示全選
        btn.addTarget(self, action: #selector(allBtnAction), for: .touchUpInside)
        return btn
    }()
    var value : [JSON] = []//result數(shù)組
    var messageData :[MESsageModel] = []//數(shù)據(jù)源
    var selectArray :[MESsageModel] = []//選擇數(shù)據(jù)數(shù)組
    func getCooksData(isDeletALL:Bool,pageNumber:Int,pageSize:Int,completed:@escaping ()->Void)  {
        //  isDeletALL：是否刪除數(shù)據(jù)源重新加載數(shù)據(jù)
        //pageNumber：加載頁(yè)數(shù)
         //pageSize：每頁(yè)的數(shù)據(jù)數(shù)椰拒。pageNumber晶渠，pageSize都是服務(wù)器的參數(shù)
        api.message_page_app(classification: -1, pageNumber: pageNumber, pageSize: pageSize){
            [weak self] result in
            guard let `self` = self else {return}
            if isDeletALL{
                self.messageData = []
            }
            self.messageOriginalCount = self.messageCount
            self.value = result["rows"].arrayValue
            for item in self.value
            {
                //處理返回的服務(wù)器返回的result 這里因人而異
                let message = MESsageModel()
                message.title = item["title"].stringValue
                message.content = item["content"].stringValue
                message.createTime = item["createTime"].stringValue
                message.id = item["id"].intValue
                self.messageData.append(message)
            }
            self.messageCount = self.messageData.count
            self.myTableView.reloadData()
            completed()
        }
    }
    override func viewDidLoad() {
        super.viewDidLoad()
       //設(shè)置數(shù)據(jù)源，代理
        myTableView.dataSource = self
        myTableView.delegate = self
        //布局
        self.view.addSubview(myTableView)
        myTableView.snp.makeConstraints{
            make in
            make.top.equalToSuperview().offset(tableNaiHeight)
            make.bottom.equalToSuperview()
            make.left.equalToSuperview()
            make.right.equalToSuperview()
        }
        //設(shè)置navigationItem.rightBarButtonItems為編輯燃观，全選褒脯，默認(rèn)不加載刪除按鈕
        navigationItem.rightBarButtonItems = [UIBarButtonItem(customView: rightBtn),UIBarButtonItem(customView: allBtn)]
        //下面為獲取數(shù)據(jù)
        getCooksData(isDeletALL: true,pageNumber: 1,pageSize: 20,completed: {})
        navigationItem.title = "消息"
    }
    override func viewWillAppear(_ animated: Bool) {
        self.navigationController?.setNavigationBarHidden(false, animated: true)
    }
    
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
    // MARK: - Target
    @objc private func rightBtnAction(){
        self.selectArray.removeAll()//點(diǎn)擊編輯之后要把選擇數(shù)據(jù)源為空，因?yàn)槟J(rèn)點(diǎn)擊全選時(shí)所有都是未選中的
        rightBtn.isSelected = !rightBtn.isSelected//設(shè)置選擇狀態(tài)
        allBtn.isSelected = !rightBtn.isSelected//設(shè)置全選按鈕選擇狀態(tài)為選中即是全選
        allBtn.isHidden = !rightBtn.isSelected//設(shè)置是否隱藏全選按鈕
        if rightBtn.isSelected {
//如果點(diǎn)擊編輯按鈕缆毁，則rightBtn.isSelected為true番川，加載刪除button
            self.navigationItem.leftBarButtonItem = UIBarButtonItem(customView: deleteBtn)
            myTableView.setEditing(true, animated: true)//設(shè)置myTableView為可編輯狀態(tài)
        } else {
          //else則為再次點(diǎn)擊，恢復(fù)成原狀脊框，把刪除button移除颁督，設(shè)置myTableView為不可編輯狀態(tài)，如果不移除刪除button浇雹，刪除button會(huì)占用navigationController的默認(rèn)返回按鈕
            self.navigationItem.leftBarButtonItems = []
            myTableView.setEditing(false, animated: true)
        }
    }
    @objc private func deleteBtnAction(){
        //如果selectArray.count沉御，則選擇數(shù)量大于0，有選cell
        if selectArray.count > 0 {
            var ids: [Int] = []
            //拿到selectArray里面的model昭灵，取id吠裆，為ids數(shù)組
            for model in selectArray{
                ids.append(model.id!)
            }
            //把ids發(fā)送給服務(wù)器，刪除服務(wù)器數(shù)據(jù)
            api.message_del_app(id: ids){
                [weak self] status,mess in
                if status == 0{
                    myHUD.showSuccess(mess: mess)
                    self?.myTableView.isEditing = false
                    self?.selectArray = []
                    self?.getCooksData(isDeletALL: true,pageNumber: 1,pageSize: 20,completed: {})
                }
                else {
                    myHUD.showFailed(mess: mess)
                }
            }
            //點(diǎn)擊刪除后烂完，把編輯button設(shè)置為未選中试疙，全選button設(shè)置不可見(jiàn)，設(shè)置 myTableView為不可編輯
            rightBtn.isSelected = false
            allBtn.isHidden = true
            self.navigationItem.leftBarButtonItems = []
            myTableView.setEditing(false, animated: true)
        }
        else {
            self.view.makeToast("請(qǐng)選擇要?jiǎng)h除的消息")
        }
        
        
    }
    @objc private func allBtnAction(){
        //設(shè)置全選為選中抠蚣，則title為取消
        allBtn.isSelected = !allBtn.isSelected
        rightBtn.isSelected = allBtn.isSelected
        if allBtn.isSelected {
            let count = self.messageData.count
            var indexArray :[IndexPath] = []
          //獲取所有cell的IndexPath
            if count > 0 {
                for i in 0...count - 1{
                    let index = IndexPath(row: i, section: 0)
                    indexArray.append(index)
                }
            }
            selectArray.removeAll()//移除現(xiàn)有選擇數(shù)組的數(shù)據(jù)
            selectArray = messageData//將數(shù)據(jù)源的所有數(shù)據(jù)賦值給選擇數(shù)據(jù)
            for index in indexArray{
              選中所有的數(shù)組
                myTableView.selectRow(at: index, animated: false, scrollPosition: UITableViewScrollPosition.none)
            }
        } else {
          //取消操作祝旷，把selectArray為空
            selectArray.removeAll()
            myTableView.setEditing(false, animated: true)//設(shè)置為不可編輯
            allBtn.isHidden = true//隱藏
            self.navigationItem.leftBarButtonItems = []//移除刪除按鈕
        }
    }
    
    // MARK: - Table view data source
    
     func numberOfSections(in tableView: UITableView) -> Int {
        // #warning Incomplete implementation, return the number of sections
        return 1
    }
    
     func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        // #warning Incomplete implementation, return the number of rows
        return messageData.count
    }
    
     func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
        return 60
    }
    func tableView(_ tableView: UITableView, canEditRowAt indexPath: IndexPath) -> Bool {
        return true//返回可編輯
    }
    func tableView(_ tableView: UITableView, editingStyleForRowAt indexPath: IndexPath) -> UITableViewCellEditingStyle {
//這里非常關(guān)鍵！
        return UITableViewCellEditingStyle(rawValue: UITableViewCellEditingStyle.delete.rawValue | UITableViewCellEditingStyle.insert.rawValue)!
    }
     func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let reuesname = "cell"
        
        var cell = tableView.dequeueReusableCell(withIdentifier: reuesname) as?MESsagneCell
        if cell == nil {
            cell = MESsagneCell(style: UITableViewCellStyle.default, reuseIdentifier: reuesname)
        }
        cell?.title.text = messageData[indexPath.row].title!
        cell?.content.text = messageData[indexPath.row].content!
        cell?.createTime.text = messageData[indexPath.row].createTime!

        
        return cell!
    }
    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        if tableView.isEditing {
            let select = self.messageData[indexPath.row]
            if (!self.selectArray.contains(select)) {
                self.selectArray.append(select)
                
            }
        }
    }
    func tableView(_ tableView: UITableView, didDeselectRowAt indexPath: IndexPath) {
        let select = self.messageData[indexPath.row]
        if (self.selectArray.contains(select)) {
            let index = selectArray.index(of: select)
            selectArray.remove(at: index!)
        }
    }
}

謝謝柱徙，如果寫(xiě)的不好還希望指出缓屠，如果恰巧能滿(mǎn)足你的需求奇昙，請(qǐng)點(diǎn)個(gè)喜歡