first commit

历届学生/王凯/XiaoShuo/xiaoshuo-backend/utils/index.js

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+const config = require('../config')
+const http = require('../http')
+const cheerio = require('cheerio')
+
+module.exports = {
+
+  async AnalyticalData(par) {
+    let urls = '';
+    if(par.hasOwnProperty('page')) {
+      urls = `${config.TargetUrl.class.title}${par.class}_${par.page}.html`
+    } else if(par.hasOwnProperty('siteUrl')){
+      urls = par.siteUrl
+    } else {
+      urls = config.TargetUrl.class.hotlist
+    }
+    // 网络请求获取 目标 页面的 html源码
+    return this.returnDOM(await http.get({ url: urls }))
+  },
+
+  returnDOM(data) {
+    return cheerio.load(data)
+  },
+
+  returnJson(status, data,res) {
+    config.apiStatus.status = status
+    config.apiStatus.data = data
+    res.json(config.apiStatus);
+  },
+  /**
+   * 返回客户端ip地址
+   * @returns {Promise<*|string>}
+   * @constructor
+   */
+  async GetIp () {
+    let ipData = await http.get({ url: config.getIpAddres })
+    return ipData.match(/\[([\s\S]*?)\]/)[1]
+  }
+}