獲取本地緩存圖片的大小

ImageCache.default.calculateDiskStorageSize { (result) in
                    switch result {
                    case .success(let value):
                        let size = Double(value / 1024 / 1024)
                        valueString = String(format: "%.1fM", size)
                    case .failure(let error):
                        debugPrint(error.localizedDescription)
                        valueString = "獲取失敗"
                    }
                    cell.valueLbl.isHidden = false
                    cell.valueLbl.text = valueString
                }

清除緩存

DispatchQueue.global().async {
                    ImageCache.default.clearDiskCache {
                         self.tableView.reloadRows(at: [IndexPath.init(row: 0, section: 2)], with: UITableView.RowAnimation.none)
                                                DispatchQueue.main.async {
                                                    ZSProgressHUD.showMessage("清除成功")
                                                }
                    }
                }