57 lines
1.6 KiB
JavaScript
57 lines
1.6 KiB
JavaScript
var createError = require('http-errors');
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var express = require('express');
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var path = require('path');
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var cookieParser = require('cookie-parser');
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var logger = require('morgan');
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var cors = require('cors');
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var indexRouter = require('./routes/index');
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var app = express();
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// 导入env
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require("dotenv").config();
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// 使用evn文件保存的mongodb username和password
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const dbUsername = process.env.DB_USERNAME;
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const dbPassword = process.env.DB_PASSWORD;
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// mongoose连接mongodb
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const mongoose = require("mongoose");
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const mongoDBUrl = `mongodb://${dbUsername}:${dbPassword}@47.106.93.245:27017/customapi?authSource=admin`;
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mongoose.connect(mongoDBUrl);
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const db = mongoose.connection;
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db.on("connected", () => console.log("MongoDB 连接成功"));
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db.on("error", err => console.error(err, "\nMongoDB 连接错误"));
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db.on("close", () => console.log("\nMongoDB 连接关闭"));
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// view engine setup
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app.set('views', path.join(__dirname, 'views'));
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app.set('view engine', 'jade');
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app.use(cors());
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app.use(logger('dev'));
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app.use(express.json());
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app.use(express.urlencoded({ extended: false }));
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app.use(cookieParser());
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app.use(express.static(path.join(__dirname, 'public')));
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app.use('/', indexRouter);
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// catch 404 and forward to error handler
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app.use(function (req, res, next) {
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next(createError(404));
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});
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// error handler
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app.use(function (err, req, res, next) {
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// set locals, only providing error in development
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res.locals.message = err.message;
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res.locals.error = req.app.get('env') === 'development' ? err : {};
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// render the error page
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res.status(err.status || 500);
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res.render('error');
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});
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module.exports = app;
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