no message

Author: CY-20170113NGER\MyPC

app.js

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+var express = require('express');
+var path = require('path');
+var favicon = require('serve-favicon');
+// var logger = require('morgan');
+// 引入log4j,并且加载配置文件
+var log4js = require('log4js');
+log4js.configure('config/log4j.json');
+
+var cookieParser = require('cookie-parser');
+var bodyParser = require('body-parser');
+
+var index = require('./routes/index');
+var users = require('./routes/users');
+
+var app = express();
+
+// view engine setup
+app.set('views', path.join(__dirname, 'views'));
+app.set('view engine', 'ejs');
+
+// uncomment after placing your favicon in /public
+//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
+// 注释掉express默认的日志模块,使用log4j
+// app.use(logger('dev'));
+app.use(log4js.connectLogger(log4js.getLogger("http"), { level: 'trace' }));
+
+app.use(bodyParser.json());
+app.use(bodyParser.urlencoded({ extended: false }));
+app.use(cookieParser());
+app.use(express.static(path.join(__dirname, 'public')));
+
+app.use('/', index);
+app.use('/users', users);
+
+// catch 404 and forward to error handler
+app.use(function(req, res, next) {
+  var err = new Error('Not Found');
+  err.status = 404;
+  next(err);
+});
+
+// error handler
+app.use(function(err, req, res, next) {
+  // set locals, only providing error in development
+  res.locals.message = err.message;
+  res.locals.error = req.app.get('env') === 'development' ? err : {};
+
+  // render the error page
+  res.status(err.status || 500);
+  res.render('error');
+});
+
+module.exports = app;

bin/www

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+#!/usr/bin/env node
+
+/**
+ * Module dependencies.
+ */
+
+var app = require('../app');
+var debug = require('debug')('node-log4j2-example:server');
+var http = require('http');
+
+/**
+ * Get port from environment and store in Express.
+ */
+
+var port = normalizePort(process.env.PORT || '3000');
+app.set('port', port);
+
+/**
+ * Create HTTP server.
+ */
+
+var server = http.createServer(app);
+
+/**
+ * Listen on provided port, on all network interfaces.
+ */
+
+server.listen(port);
+server.on('error', onError);
+server.on('listening', onListening);
+
+/**
+ * Normalize a port into a number, string, or false.
+ */
+
+function normalizePort(val) {
+  var port = parseInt(val, 10);
+
+  if (isNaN(port)) {
+    // named pipe
+    return val;
+  }
+
+  if (port >= 0) {
+    // port number
+    return port;
+  }
+
+  return false;
+}
+
+/**
+ * Event listener for HTTP server "error" event.
+ */
+
+function onError(error) {
+  if (error.syscall !== 'listen') {
+    throw error;
+  }
+
+  var bind = typeof port === 'string'
+    ? 'Pipe ' + port
+    : 'Port ' + port;
+
+  // handle specific listen errors with friendly messages
+  switch (error.code) {
+    case 'EACCES':
+      console.error(bind + ' requires elevated privileges');
+      process.exit(1);
+      break;
+    case 'EADDRINUSE':
+      console.error(bind + ' is already in use');
+      process.exit(1);
+      break;
+    default:
+      throw error;
+  }
+}
+
+/**
+ * Event listener for HTTP server "listening" event.
+ */
+
+function onListening() {
+  var addr = server.address();
+  var bind = typeof addr === 'string'
+    ? 'pipe ' + addr
+    : 'port ' + addr.port;
+  debug('Listening on ' + bind);
+}

config/log4j.json

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+{
+  "appenders": {
+    "console": {
+      "type": "console"
+    },
+    "trace": {
+      "type": "file",
+      "filename": "log/access.log",
+      "maxLogSize ": 31457280
+    },
+    "http": {
+      "type": "logLevelFilter",
+      "appender": "trace",
+      "level": "trace",
+      "maxLevel": "trace"
+    },
+    "info": {
+      "type": "dateFile",
+      "filename": "log/app-info.log",
+      "pattern": ".yyyy-MM-dd",
+      "layout": {
+        "type": "pattern",
+        "pattern": "[%d{ISO8601}][%5p  %z  %c] %m"
+      },
+      "compress": true
+    },
+    "maxInfo": {
+      "type": "logLevelFilter",
+      "appender": "info",
+      "level": "debug",
+      "maxLevel": "info"
+    },
+    "error": {
+      "type": "dateFile",
+      "filename": "log/app-error.log",
+      "pattern": ".yyyy-MM-dd",
+      "layout": {
+        "type": "pattern",
+        "pattern": "[%d{ISO8601}][%5p  %z  %c] %m"
+      },
+      "compress": true
+    },
+    "minError": {
+      "type": "logLevelFilter",
+      "appender": "error",
+      "level": "error"
+    }
+  },
+  "categories": {
+    "default": {
+      "appenders": [
+        "console",
+        "http",
+        "maxInfo",
+        "minError"
+      ],
+      "level": "all"
+    }
+  }
+}

package.json

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+{
+  "name": "node-log4j2-example",
+  "version": "0.0.0",
+  "private": true,
+  "scripts": {
+    "start": "node ./bin/www"
+  },
+  "dependencies": {
+    "body-parser": "~1.17.1",
+    "cookie-parser": "~1.4.3",
+    "debug": "~2.6.3",
+    "ejs": "~2.5.6",
+    "express": "~4.15.2",
+	"log4js": "^2.1.0",
+    "morgan": "~1.8.1",
+    "serve-favicon": "~2.4.2"
+  }
+}

public/stylesheets/style.css

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+body {
+  padding: 50px;
+  font: 14px "Lucida Grande", Helvetica, Arial, sans-serif;
+}
+
+a {
+  color: #00B7FF;
+}

routes/index.js

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+var express = require('express');
+var router = express.Router();
+var logger = require('log4js').getLogger("index");
+
+/* GET home page. */
+router.get('/', function(req, res, next) {
+  logger.info('用户进入主页!测试日志等级info');
+  res.render('index', { title: 'Express' });
+  logger.error('返回数据成功,测试日志等级error');
+});
+
+module.exports = router;

routes/users.js

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+var express = require('express');
+var router = express.Router();
+
+/* GET users listing. */
+router.get('/', function(req, res, next) {
+  res.send('respond with a resource');
+});
+
+module.exports = router;

views/error.ejs

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+<h1><%= message %></h1>
+<h2><%= error.status %></h2>
+<pre><%= error.stack %></pre>

views/index.ejs

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+<!DOCTYPE html>
+<html>
+  <head>
+    <title><%= title %></title>
+    <link rel='stylesheet' href='/stylesheets/style.css' />
+  </head>
+  <body>
+    <h1><%= title %></h1>
+    <p>Welcome to <%= title %></p>
+  </body>
+</html>