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项目合集/枸杞社/backend/app.js

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+var createError = require('http-errors');
+var express = require('express');
+var path = require('path');
+var cookieParser = require('cookie-parser');
+var logger = require('morgan');
+
+var cheer = require('cheerio');
+var config = require('./config/index');
+var axios = require('axios');
+
+// 因为对方网站的域名经常变，导致爬虫无法爬数据，所以这里会在每次后端接口
+// 刚启动的时候，自动从目标网站的 防失联 页面 抓取最新的
+// 网站域名，然后保存到全局config中。
+axios.get(config.pushUrl)
+.then(function (response) {
+  var $ = cheer.load(response.data)
+  config.BaseUrl = `${$(".title + p>a").text()}/`
+  // console.log("抓取到的网站最新域名为：", config.BaseUrl);
+})
+
+var indexRouter = require('./routes/index');
+var agentRouter = require('./routes/agent');
+var app = express();
+
+app.use(logger('dev'));
+app.use(express.json());
+app.use(express.urlencoded({ extended: false }));
+app.use(cookieParser());
+
+
+
+app.use('/api/json/', indexRouter);
+app.use('/api/json/', agentRouter);
+
+// catch 404 and forward to error handler
+app.use(function(req, res, next) {
+  next(createError(404));
+});
+
+// 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);
+});
+
+module.exports = app;