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286 lines
9.0 KiB
286 lines
9.0 KiB
import Foundation
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import os.log
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/**
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* 文件日志工具
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* 将日志同时输出到控制台和文件系统
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*/
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@objc public class FileLogger: NSObject {
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private static let TAG = "FileLogger"
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private static var instance: FileLogger?
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private let logDir: URL
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private var currentLogFile: URL?
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private let logQueue = DispatchQueue(label: "com.yunqiinnovation.deepvoice_utils.logger", qos: .utility)
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private let dateFormatter: DateFormatter = {
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let formatter = DateFormatter()
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formatter.dateFormat = "yyyy-MM-dd"
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return formatter
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}()
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private let timeFormatter: DateFormatter = {
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let formatter = DateFormatter()
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formatter.dateFormat = "HH:mm:ss.SSS"
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return formatter
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}()
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/**
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* 初始化日志系统
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*/
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private init(directory: URL) {
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self.logDir = directory.appendingPathComponent("logs", isDirectory: true)
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super.init()
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// 创建日志目录
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try? FileManager.default.createDirectory(at: logDir, withIntermediateDirectories: true)
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// 创建当天日志文件
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updateLogFile()
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// 记录初始化完成
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self.d(FileLogger.TAG, "文件日志系统已初始化")
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}
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/**
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* 更新日志文件为当天日期
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*/
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private func updateLogFile() {
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let today = dateFormatter.string(from: Date())
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let logFile = logDir.appendingPathComponent("log_\(today).txt")
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if currentLogFile == nil || currentLogFile?.path != logFile.path {
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currentLogFile = logFile
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// 如果是新文件，添加文件头
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if !FileManager.default.fileExists(atPath: logFile.path) {
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let headerDate = DateFormatter()
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headerDate.dateFormat = "yyyy-MM-dd HH:mm:ss"
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let headerLine = "===== 日志开始: \(headerDate.string(from: Date())) =====\n"
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try? headerLine.write(to: logFile, atomically: true, encoding: .utf8)
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}
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}
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}
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/**
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* 将日志写入文件
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*/
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private func logToFile(level: String, tag: String, message: String) {
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logQueue.async { [weak self] in
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guard let self = self else { return }
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do {
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// 检查是否需要更新日志文件
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self.updateLogFile()
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guard let logFile = self.currentLogFile,
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FileManager.default.fileExists(atPath: logFile.path) else {
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return
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}
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// 格式化日志内容
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let timestamp = self.timeFormatter.string(from: Date())
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let logLine = "\(timestamp) \(level)/\(tag): \(message)\n"
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// 获取文件句柄并追加内容
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if let fileHandle = try? FileHandle(forWritingTo: logFile) {
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fileHandle.seekToEndOfFile()
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if let data = logLine.data(using: .utf8) {
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fileHandle.write(data)
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}
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fileHandle.closeFile()
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} else {
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// 如果无法获取文件句柄，尝试直接写入
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let existingContent = try? String(contentsOf: logFile, encoding: .utf8)
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let newContent = (existingContent ?? "") + logLine
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try newContent.write(to: logFile, atomically: true, encoding: .utf8)
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}
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} catch {
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print("写入日志文件失败: \(error.localizedDescription)")
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}
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}
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}
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/**
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* 调试级别日志
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*/
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private func d(_ tag: String, _ message: String) {
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// 输出到控制台
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print("D/\(tag): \(message)")
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// 写入文件
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logToFile(level: "D", tag: tag, message: message)
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}
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/**
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* 信息级别日志
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*/
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private func i(_ tag: String, _ message: String) {
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// 输出到控制台
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print("I/\(tag): \(message)")
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// 写入文件
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logToFile(level: "I", tag: tag, message: message)
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}
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/**
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* 警告级别日志
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*/
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private func w(_ tag: String, _ message: String) {
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// 输出到控制台
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print("W/\(tag): \(message)")
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// 写入文件
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logToFile(level: "W", tag: tag, message: message)
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}
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/**
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* 错误级别日志
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*/
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private func e(_ tag: String, _ message: String, _ error: Error? = nil) {
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var fullMessage = message
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// 如果有错误，添加错误信息
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if let error = error {
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fullMessage += "\n\(error.localizedDescription)"
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}
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// 输出到控制台
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print("E/\(tag): \(fullMessage)")
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// 写入文件
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logToFile(level: "E", tag: tag, message: fullMessage)
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}
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/**
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* 清理旧日志文件
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*/
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private func cleanOldLogs(daysToKeep: Int = 7) {
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logQueue.async {
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do {
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let currentDate = Date()
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let fileManager = FileManager.default
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let logFiles = try fileManager.contentsOfDirectory(at: self.logDir, includingPropertiesForKeys: [.creationDateKey], options: [])
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for fileURL in logFiles where fileURL.pathExtension == "txt" {
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if let fileAttributes = try? fileManager.attributesOfItem(atPath: fileURL.path),
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let creationDate = fileAttributes[.creationDate] as? Date {
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let age = Calendar.current.dateComponents([.day], from: creationDate, to: currentDate)
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if let days = age.day, days > daysToKeep {
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try? fileManager.removeItem(at: fileURL)
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print("D/\(FileLogger.TAG): 已删除旧日志文件: \(fileURL.lastPathComponent)")
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}
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}
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}
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} catch {
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print("E/\(FileLogger.TAG): 清理旧日志失败: \(error.localizedDescription)")
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}
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}
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}
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// MARK: - 公共静态方法
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/**
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* 初始化日志系统
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*/
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@objc public static func initialize() {
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if instance == nil {
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let documentsDirectory = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)[0]
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instance = FileLogger(directory: documentsDirectory)
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}
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}
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/**
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* 初始化日志系统（使用自定义目录）
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*/
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@objc public static func initialize(withDirectory directory: URL) {
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if instance == nil {
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instance = FileLogger(directory: directory)
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}
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}
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/**
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* 调试日志
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*/
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@objc public static func d(_ tag: String, _ message: String) {
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// 如果实例不存在，先使用默认目录初始化
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if instance == nil {
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initialize()
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}
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instance?.d(tag, message)
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// 使用系统日志
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if #available(iOS 10.0, *) {
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os_log("%{public}@", log: OSLog(subsystem: "com.yunqiinnovation.deepvoice_utils", category: tag), type: .debug, message)
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}
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}
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/**
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* 信息日志
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*/
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@objc public static func i(_ tag: String, _ message: String) {
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if instance == nil {
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initialize()
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}
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instance?.i(tag, message)
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// 使用系统日志
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if #available(iOS 10.0, *) {
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os_log("%{public}@", log: OSLog(subsystem: "com.yunqiinnovation.deepvoice_utils", category: tag), type: .info, message)
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}
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}
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/**
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* 警告日志
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*/
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@objc public static func w(_ tag: String, _ message: String) {
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if instance == nil {
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initialize()
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}
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instance?.w(tag, message)
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// 使用系统日志
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if #available(iOS 10.0, *) {
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os_log("%{public}@", log: OSLog(subsystem: "com.yunqiinnovation.deepvoice_utils", category: tag), type: .default, message)
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}
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}
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/**
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* 错误日志
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*/
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@objc public static func e(_ tag: String, _ message: String, _ error: Error? = nil) {
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if instance == nil {
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initialize()
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}
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instance?.e(tag, message, error)
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// 使用系统日志
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if #available(iOS 10.0, *) {
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let errorMessage = error != nil ? "\(message): \(error!.localizedDescription)" : message
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os_log("%{public}@", log: OSLog(subsystem: "com.yunqiinnovation.deepvoice_utils", category: tag), type: .error, errorMessage)
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}
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}
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/**
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* 清理旧日志
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*/
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@objc public static func cleanOldLogs(daysToKeep: Int = 7) {
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instance?.cleanOldLogs(daysToKeep: daysToKeep)
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}
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/**
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* 关闭日志系统
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*/
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@objc public static func shutdown() {
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instance = nil
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}
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}
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