添加node执行命令行相关代码；代码结构调整
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20
src/execute_command.js
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20
src/execute_command.js
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var child_process = require('child_process');
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var cmds = [
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'git status',
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'dir',
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];
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cmds.forEach(async function (cmd) {
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let result = await new Promise(function (resolve) {
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child_process.exec(cmd, function (error, stdout, stderr) {
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// 获取命令执行的输出
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resolve({
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cmd: cmd,
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error: error,
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stdout: stdout,
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stderr: stderr,
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});
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});
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});
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console.log(result);
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});
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247
src/get_hotband.js
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247
src/get_hotband.js
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'use strict';
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const request = require('request');
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const fs = require('fs');
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console.log("Start running ...");
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// 请求微博热搜 APi 接口
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async function getApiResult(url) {
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var return_data = await new Promise((resolve) => {
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request({
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method: 'GET',
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url: url,
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json: true,
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}, (error, response, result) => {
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if (!error && (response.statusCode == 200)) {
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// 请求成功
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resolve(result);
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} else {
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// 请求失败
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console.log(`error is ${error}`);
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resolve("error");
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}
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});
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});
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// console.log(`return_data is ${JSON.stringify(return_data)}`);
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return return_data;
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}
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// 创建目录
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async function createFolder(folderToCreate) {
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let currentFolder = folderToCreate.replace(/\\/g, '/');
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let parentFolder = currentFolder.substring(0, currentFolder.lastIndexOf('/'));
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if (!fs.existsSync(currentFolder)) {
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// 文件夹不存在，创建文件夹
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createFolder(parentFolder); // 保证父级文件夹存在
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fs.mkdirSync(currentFolder); // 创建当前级文件夹
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} else {
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// 否则就什么也不做
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}
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}
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// 保存 JSON
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function saveJSON({ now, fileNameSuffix, object, compress = true, uncompress = true }) {
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let year = now.substring(0, 4);
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let month = now.substring(5, 7);
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let day = now.substring(8, 10);
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let hour = now.substring(11, 13);
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let minute = now.substring(14, 16);
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// console.log(now);
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// console.log( "year, month, day, hour, minute: " + year + ", " + month + ", " + day + ", " + hour + ", " + minute);
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// 创建当前文件夹
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let folder = `./data/${year}/${month}/${day}`;
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createFolder(folder);
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let fileName = `${folder}/${year}${month}${day}_${hour}${minute}_${fileNameSuffix}`;
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// 生成文件名
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// '2022-07-23T10:11:38.650Z' => '20220723_1011'
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// let fileName = now.replace(/T/, '_').replace(/:\d{2}.\d{3}Z/, '').replace(/[-:]/g, '');
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// console.log(`fileName is ${fileName}`);
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if (compress)
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fs.writeFileSync(`${fileName}.min.json`, JSON.stringify(object));
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if (uncompress)
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fs.writeFileSync(`${fileName}.json`, JSON.stringify(object, "", "\t"));
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}
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async function main() {
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let requestTimestamp = Date.now();
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let now = new Date(requestTimestamp + 8 * 3600 * 1000).toISOString();
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let result = await getApiResult("https://weibo.com/ajax/statuses/hot_band");
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// console.log("result", result);
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if (result.ok != 1) {
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console.log("请求成功，但服务器处理失败。");
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} else {
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console.log("请求成功。");
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/**
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* 保存原始数据
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*/
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saveJSON({
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now: now,
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fileNameSuffix: `origin`,
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object: result,
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compress: true,
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uncompress: false
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});
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let data = JSON.parse(JSON.stringify(result.data));
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/**
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* 过滤掉不需要的数据
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*/
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// hotgov
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delete data.hotgov["mblog"];
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// 重复字段只保留一个
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delete data.hotgov["note"]; // note word
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delete data.hotgov["small_icon_desc"]; // icon_desc small_icon_desc
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delete data.hotgov["small_icon_desc_color"]; // icon_desc_color small_icon_desc_color
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// band_list
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for (let i = 0; i < data.band_list.length; i++) {
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const item = data.band_list[i];
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// 过滤广告
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if (item.is_ad) {
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data.band_list.splice(i, 1);
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i--;
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}
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// 过滤空字段
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delete item["ad_info"];
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// 重复字段只保留一个
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delete item["note"]; // note word
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delete item["icon_desc"]; delete item["small_icon_desc"]; // label_name icon_desc small_icon_desc
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delete item["small_icon_desc_color"]; // icon_desc_color small_icon_desc_color
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delete item["flag_desc"]; // flag_desc subject_label 这两个有值的时候相同，没有值的时候，前一个为 undefined，后一个为 ""
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}
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/**
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* 获取需要的数据，进行转换
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*/
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let convert = [];
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data.band_list.forEach(item => {
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let detail = "";
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let pic_ids = [];
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if (item.mblog) { // 有些热搜没有 mblog
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var regex = /(<([^>]+)>)/ig
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detail = item.mblog.text.replace(regex, "");
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if (item.mblog.pics) {
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pic_ids = item.mblog.pics.map(pic => `${pic}`);
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}
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}
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convert.push({
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// 热搜排行顺序
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rank: item.rank,
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realpos: item.realpos,
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// 热搜信息
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word: item.word, // 热搜标题
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word_scheme: item.word_scheme, // 热搜话题 "#热搜标题#"
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emoticon: item.emoticon, // 热搜小表情，如 "[泪]"
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label_name: item.label_name, // 热搜标签，如 "爆" "热" "新" ""
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onboard_time: item.onboard_time, // 热搜上线时间，秒级时间戳，如 1658565575
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/**
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* 热搜数据
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*
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* 大部分的 num 和 raw_hot 是相同的，页面上显示的是 num，可能是人工调控的热搜
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*
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* 两者差值通过观测似乎最大是 1250000
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* 例如 【爆】唐山打架事件8名违法嫌疑人已到案 这条热搜一开始 delta 首先不断增大，最大达到 1250000
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* 然后热搜数量增加到 12600000 左右的时候，delta 逐渐减小到 1040000 左右
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* 所有热搜的 detla（带正负） 加起来就是基本上在100000-230000之间
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*/
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num: item.num,
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raw_hot: item.raw_hot,
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detla: item.num - item.raw_hot, // 计算值
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url: `https://s.weibo.com/weibo?q=${encodeURIComponent(item.word_scheme)}`, // 热搜话题链接
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// 分类
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category: item.category ? item.category.split(',') : "",
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subject_label: item.subject_label,
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// 其他
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more: {
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is_new: item.is_new,
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subject_querys: item.subject_querys,
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mid: item.mid,
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icon_desc_color: item.icon_desc_color,
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detail: detail,
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},
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});
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});
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saveJSON({
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now: now,
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fileNameSuffix: `final`,
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object: convert,
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compress: true,
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uncompress: true
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});
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/**
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* 只统计微博调控信息
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*/
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let convert2 = [];
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let total = 0;
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data.band_list.forEach(item => {
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total += item.num;
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total -= item.raw_hot;
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if (item.num - item.raw_hot == 0) return;
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convert2.push([
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`[${item.realpos}] ${item.word}【${item.label_name}】`,
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`原始:${item.raw_hot} 显示:${item.num} 调控: ${item.num - item.raw_hot}`
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]);
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});
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saveJSON({
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now: now,
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fileNameSuffix: `regulation`,
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object: {
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total_delta: total, // 所有调控值之和
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data: convert2
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},
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compress: false,
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uncompress: true
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});
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/**
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* 保存预处理后数据
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*/
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// 过滤掉不需要的数据
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// band_list
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data.band_list.forEach(function (item) {
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delete item["mblog"];
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});
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saveJSON({
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now: now,
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fileNameSuffix: `simplify`,
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object: data,
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compress: true,
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uncompress: true
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});
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/**
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* 更新最新的
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*/
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fs.writeFileSync(`./data/latest.json`, JSON.stringify({
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update_time: requestTimestamp,
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update_time_friendly: now.substring(0, 19).replace(/T/g, " "),
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regulation: convert2,
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data: convert
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}));
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}
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}
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exports.main = main;
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