Winston记录器文件名错误未定义

Question

我是节点js的新手并且正在为我的项目尝试winston记录器，一切正常但是当我尝试创建自己的记录器对象并将日志传输到文件名时我收到错误： TypeError：无法读取属性＆＃39;文件名＆＃39;未定义 我觉得我做了一些愚蠢的事情，因为当我只是尝试使用winston默认对象将日志写入文件时，它正常工作，我发布的代码中包含错误的快照。

我创建了简单的快速js项目，并在app.js中记录了日志代码，如下所示：

/**
 * Module dependencies.
 */

var express = require('express'), routes = require('./routes'), user = require('./routes/user'), http = require('http'), path = require('path');

var app = express();

// all environments
app.set('port', process.env.PORT || 3000);
app.set('views', __dirname + '/views');
app.set('view engine', 'jade');
app.use(express.favicon());
app.use(express.logger('dev'));
app.use(express.bodyParser());
app.use(express.methodOverride());
app.use(app.router);
app.use(express.static(path.join(__dirname, 'public')));

// development only
if ('development' == app.get('env')) {
    app.use(express.errorHandler());
}

app.get('/', routes.index);
app.get('/users', user.list);

// adding winston logger code--------------------
var winston = require('winston');
/*
 * winston.add(winston.transports.File, { filename: 'winstonLogs.log' });
 * 
 * winston.log('info', 'Hello distributed log files!'); winston.info('Hello
 * again distributed logs');
 * 
 * winston.level = 'debug'; winston.log('debug', 'Now my debug messages are
 * written to console!');
 * 
 * //winston.remove(winston.transports.Console);
 */
// ******************************************************************************


var logger = new (winston.Logger)({
      transports: [
        new (winston.transports.File)({
          name: 'info-file',
          filename: 'filelog-info.log',
          level: 'info'
        }),
        new (winston.transports.File)({
          name: 'error-file',
          filename: 'filelog-error.log',
          level: 'error'
        })
      ]
    });
logger.add(winston.transports.File);


logger.log('info', 'Hello distributed log files!');
logger.info('Hello again distributed logs');

//logger.add(winston.transports.File).remove(winston.transports.Console);

// ending winston logger code--------------------

http.createServer(app).listen(app.get('port'), function() {
    console.log('Express server listening on port ' + app.get('port'));
});

我已注释掉的代码正在运行。

提前致谢。

Answer 1

实际上我添加了不应该在那里的那条线。

logger.add(winston.transports.File);

删除后，它开始正常工作......