使用cheerio解析html

  1. cnpm i cheerio  axios -S
  2. const koa = require("koa");
  3. const app = new koa();
  4. const Router = require("koa-router");
  5. const router = new Router();
  6. const axios = require("axios");
  7. const cheerio = require("cheerio");
  8. const url = "https://movie.douban.com/top250"
  9. router.get("/douban",async ctx=>{
  10.     var html = await axios.get(url);
  11.     const $ = cheerio.load(html.data,{
  12.         decodeEntities:false   //解码设置为false,中文不会乱码
  13.     });
  14.     var title = $("#content h1").html();
  15.     console.log(title)
  16.     ctx.body = title;
  17. })
  18. app.use(router.routes());
  19. app.listen(8080)
  20. /* 
  21. 1.axios抓取豆瓣
  22. 2.cheerio解析页面
  23. 3.返回数据给前端
  24.  */
  1. //http://www.kuwo.cn/playlists
  2. # 抓取酷我音乐 [{imgUrl:"xxx",name:"xxxx",playCount:xxx}]

接口文档

2-1 列表页

  1. //locahost?start=0 默认地址 默认获取25条,想去获取下一个只用更改start值就可以了
  2. //locahost?start=25

2-2 详情页的数据

  1. /subject/:id
  2. 前后端接口联调

2-3 搜索页的数据

  1. /search?keyword=value
  2. http://www.kuwo.cn/playlists
  3. 抓取酷我搜索页