diff --git a/routes/v2ex.js b/routes/v2ex.js new file mode 100644 index 0000000..ab7354e --- /dev/null +++ b/routes/v2ex.js @@ -0,0 +1,176 @@ +/** + * @author: x-dr + * @date: 2023年12月25日 + * @tags: [V2EX热帖] + */ + +const Router = require("koa-router"); +const v2exRouter = new Router(); +const axios = require("axios"); +const cheerio = require("cheerio"); +const { get, set, del } = require("../utils/cacheData"); + +// 接口信息 +const routerInfo = { + name: "v2ex", + title: "V2EX", + subtitle: "hot", +}; + + +// 缓存键名 +const cacheKey = "v2exbData"; + +// 调用时间 +let updateTime = new Date().toISOString(); + +const url = "https://www.v2ex.com/?tab=hot"; + +const headers = { + "Content-Type": "application/json", + "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Safari/537.36", + 'authority': 'www.v2ex.com', + 'referer': 'https://www.v2ex.com/' +}; + + + +// 数据处理 +const getData = (data) => { + if (!data) return false; + const dataList = []; + const $ = cheerio.load(data); + try { + $(`div[class="cell item"]`).each((i, e) => { + const item = cheerio.load($(e).html()) + const title = item('span[class="item_title"]').text().replace(/(^\s*)|(\s*$)/g, "") + const href = item('.item_title a').attr('href'); + const url = `https://www.v2ex.com${href}` + const comments = item('.count_livid').text().replace(/(^\s*)|(\s*$)/g, "") + const member = item('.topic_info strong a:first').text().replace(/(^\s*)|(\s*$)/g, "") + const node = item('.topic_info .node').text().replace(/(^\s*)|(\s*$)/g, "") + const avatar_img = item('.avatar').attr('src'); + // console.log( url); + + dataList.push({ + title: title, + url: url, + mobileUrl: url, + comments: comments, + member: member, + node: node, + avatar: avatar_img + + }); + + + }) + + return dataList; + } catch (error) { + console.error("数据处理出错" + error); + return false; + } +}; + + + +// trending +v2exRouter.get("/v2ex", async (ctx) => { + console.log("获取v2ex"); + try { + // 从缓存中获取数据 + let data = await get(cacheKey); + const from = data ? "cache" : "server"; + if (!data) { + // 如果缓存中不存在数据 + console.log("从服务端重新v2ex"); + // 从服务器拉取数据 + const response = await axios.get(url, { headers }); + // console.log(response.data); + data = getData(response.data); + + updateTime = new Date().toISOString(); + if (!data) { + ctx.body = { + code: 500, + ...routerInfo, + message: "获取失败", + }; + return false; + } + // 将数据写入缓存 + await set(cacheKey, data); + } + ctx.body = { + code: 200, + message: "获取成功", + ...routerInfo, + from, + total: data.length, + updateTime, + data, + }; + } catch (error) { + console.error(error); + ctx.body = { + code: 500, + ...routerInfo, + message: "获取失败", + }; + } +}); + + + + +// 豆瓣新片榜 - 获取最新数据 +v2exRouter.get("/v2ex/new", async (ctx) => { + console.log("获取v2ex - 最新数据"); + try { + // 从服务器拉取最新数据 + const response = await axios.get(url, { headers }); + const newData = getData(response.data); + updateTime = new Date().toISOString(); + console.log("从服务端重新v2ex"); + + // 返回最新数据 + ctx.body = { + code: 200, + message: "获取成功", + ...routerInfo, + updateTime, + total: newData.length, + data: newData, + }; + + // 删除旧数据 + await del(cacheKey); + // 将最新数据写入缓存 + await set(cacheKey, newData); + } catch (error) { + // 如果拉取最新数据失败,尝试从缓存中获取数据 + console.error(error); + const cachedData = await get(cacheKey); + if (cachedData) { + ctx.body = { + code: 200, + message: "获取成功", + ...routerInfo, + total: cachedData.length, + updateTime, + data: cachedData, + }; + } else { + // 如果缓存中也没有数据,则返回错误信息 + ctx.body = { + code: 500, + ...routerInfo, + message: "获取失败", + }; + } + } +}); + +v2exRouter.info = routerInfo; +module.exports = v2exRouter; \ No newline at end of file