根据条件在同一UITableView中显示不同的数据集

import UIKit

class ViewController: UIViewController, UITableViewDataSource, UITableViewDelegate {
    
    @IBOutlet weak var tableView: UITableView!
    
    enum Condition {
        case condition1
        case condition2
    }
    
    var currentCondition: Condition = .condition1
    var data1: [String] = ["Data 1-1", "Data 1-2", "Data 1-3"]
    var data2: [String] = ["Data 2-1", "Data 2-2", "Data 2-3"]
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        tableView.dataSource = self
        tableView.delegate = self
    }
    
    // 切换条件
    func switchCondition() {
        if currentCondition == .condition1 {
            currentCondition = .condition2
        } else {
            currentCondition = .condition1
        }
        
        tableView.reloadData()
    }
    
    // UITableViewDataSource
    
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        switch currentCondition {
        case .condition1:
            return data1.count
        case .condition2:
            return data2.count
        }
    }
    
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCell(withIdentifier: "Cell", for: indexPath)
        
        switch currentCondition {
        case .condition1:
            cell.textLabel?.text = data1[indexPath.row]
        case .condition2:
            cell.textLabel?.text = data2[indexPath.row]
        }
        
        return cell
    }
    
    // UITableViewDelegate
    
    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        // 处理选中行的操作
    }
}