swifi 日志收集

    func redirectConsoleLogToDocumentFolder() {        let paths: NSArray = NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true) as NSArray        let documentsDirectory: NSString = paths[0] as! NSString        let logPath: NSString = documentsDirectory.appendingPathComponent("console.log") as NSString        let cstr = (logPath as NSString).utf8String        freopen(cstr, "a+", stdout)    }