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45 lines
1.0 KiB
45 lines
1.0 KiB
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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//优先读取环境变量
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require("dotenv").config()
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//引入数据库连接
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require("./dao/db")
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//引入路由
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const userRouter = require('./routes/user');
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var app = express();
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//使用各种中间件
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app.use(logger('dev'));
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app.use(express.json());
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app.use(express.urlencoded({
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extended: false
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}));
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app.use(cookieParser());
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app.use(express.static(path.join(__dirname, 'public')));
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//使用路由中间件
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app.use('/', userRouter);
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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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// 错误捕获
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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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});
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module.exports = app; |