某站全套妹子图采集
图片来源www.mzitu.com
源码
https://github.com/zhaojunlik...
Usage
安装依赖包
npm install
配置redis（必须）
如果需要服务器存储数据，请对接相关Api地址，进行图片套图和详细图的存储
node app.js
核心代码
/**
* @Author:zhaojunlike
* @Github:https://github.com/zhaojunlike
* Created by zhaojunlike on 6/4/2017.
*/
const http = require("http");
const querystring = require("querystring");
const restify = require('restify-clients');
const log4js = require("log4js");
const request = require('request');
const cheerio = require('cheerio');
const redis = require("redis");
const process = require("process");
const download = require('download');
const redisConn = redis.createClient({
//host: "redis-db",host: "192.168.99.100",port: "6379",});
const url = require('url');
const fs = require('fs');
const path = require('path');
const RequestHeaders = {
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML,like Gecko) Chrome/59.0.3047.4 Safari/537.36","Host": "www.mzitu.com",'token': '4F39500149264DE474AA8FA4C67379D1',};
const webClient = restify.createStringClient({
url: 'http://www.mzitu.com',headers: RequestHeaders
});
const serverapiclient = restify.createStringClient({
url: 'http://192.168.99.1:8080',//url: 'http://192.168.99.100:81',headers: RequestHeaders
});
const RedisConfig = {};
const RegxConfig = {
index_tag: /<dl(.*?)class="tags">([\s\S]*?)<\/dl>/g,};
const CacheKeys = {
index_tag: "index_tag_queue",tag_list: "tag_list_queue",taotu_list: "taotu_list",page_count: "page_count",page_detail: "page_detail_queue",img_download_url: "img_queue",};
const RemoteConfig = {
host: 'http://www.mzitu.com',zhuanti: 'http://www.mzitu.com/zhuanti/',page: 'http://www.mzitu.com/page/',};
const ServerApi = {
DocumentAdd: "/Document_add.action",PictureAdd: "/Picture_add.action",};
let SpiderIDLE = {
start: false,index_success: false,img_page_success: false,img_down_success: false,img_taotu_success: false,//BASE_PATH: "../storage/download",BASE_PATH: "../storage"
};
const Tools = {
parseUri: function (uri) {
let filePath = url.parse(uri).path;
let tmp = filePath.split('/');
return {
filename: tmp.pop(),filepath: tmp.join("/")
};
},checkDir: function (dirPath) {
let mode = 777;
if (!fs.existsSync(dirPath)) {
let tmp;
dirPath.split('/').forEach(function (dirname) {
if (tmp) {
tmp = path.join(tmp,dirname);
}
else {
tmp = dirname;
}
if (!fs.existsSync(tmp)) {
if (!fs.mkdirsync(tmp,mode)) {
return false;
}
}
});
}
return true;
}
};
const Spider = {
start: function () {
webClient.get('/zhuanti/',function (err,req,res,data) {
if (err) {
return err;
}
let $ = cheerio.load(data);
$(".postlist .tags dd").each(function (index,item) {
let $this = $(this);
let tag = {};
tag.title = $this.find('img').attr("alt");
tag.banner = $this.find('img').attr("src");
tag.url = $this.find("a").attr("href");
//pop进入队列
redisConn.rpush(CacheKeys.index_tag,JSON.stringify(tag),reply) {
console.log(err,reply);
});
});
});
},//1.获取首页,获取首页有多少个pageCount
getPagelist: function (callback) {
webClient.get('/',data) {
if (err) {
return err;
}
let $ = cheerio.load(data);
$(".nav-links a[class='page-numbers']").each(function (index,item) {
let $this = $(this);
//pop进入队列
let html = $this.html();
let page = html.match(/\d+/);
if (parseInt(page)) {
redisConn.getset(CacheKeys.page_count,page);
}
});
redisConn.get(CacheKeys.page_count,reply) {
callback(reply);
});
});
},//2.加入套图页面数据,就是套图的数据
getImgPage: function (callback) {
redisConn.decr(CacheKeys.page_count,reply) {
if (err || !reply) {
return false;
}
if (parseInt(reply) <= 1) {
console.log("页面套图数据已经采集完毕了!!!!");//
SpiderIDLE.img_page_success = true;
return false;
}
console.log(`开始采集页面:${reply}`);
//采集这个页面
webClient.get(`/page/${reply}/`,data) {
if (err || !data) {
return false;
}
let $ = cheerio.load(data);
$(".postlist #pins li").each(function (index,item) {
let $this = $(this);
let document = {
title: "",url: "",remote_path: '/',content: "",page_num: "",category_id: "",create_time: "",update_time: "",good_count: 0,view_count: 0,remote_id: 0,};
document.create_time = $this.find(".time").html();
document.view_count = Math.random() * 1000000;
document.title = $this.find("img").attr("alt");
document.URL = $this.find("a").attr("href");
document.remote_id = document.URL.match(/\d+/)[0];
document.remote_path = '/' + document.remote_id;
document.content = $this.find("img").attr("data-original");
document.category_id = reply;
document.page_num = reply;
//加入队列
//Todo 写入gateway接口
redisConn.rpush(CacheKeys.page_detail,JSON.stringify(document),reply) {
callback(document);
});
});
});
});
},//3.采集套图具体图片，就是套图数量的数据
getTaoTuImgs: function (callback) {
redisConn.lpop(CacheKeys.page_detail,reply) {
if (err || !reply) return;
let document = JSON.parse(reply);
let rePath = document.remote_path = '/' + document.URL.match(/\d+/)[0];
console.log("PATH:",rePath);
webClient.get(rePath,data) {
if (err || !data) return;
let $ = cheerio.load(data);
let pageCount = $(".main .pagenavi a span").eq(-2).html();
document.detail_count = pageCount;
//动态生成链接图片链接
console.log(`获取套图：${document.category_id},${pageCount}张`);
for (let i = 2; i <= pageCount; i++) {
let img = {
category_id: document.category_id,img_url: document.URL + "/" + i,remote_id: document.remote_id,remote_path: document.remote_path + "/" + i
};
//这里可能直接push了10张图进去
redisConn.rpush(CacheKeys.img_download_url,JSON.stringify(img),reply) {
console.log(`加入套图:${img.remote_id}`,err);
});
}
});
});
},//4.具体下载
downloadYY: function (callback) {
//下载图片
redisConn.lpop(CacheKeys.img_download_url,reply) {
if (err || !reply) {
return false;
}
let img = JSON.parse(reply);
webClient.get(img.remote_path,data) {
if (err) {
console.log(err);
return;
}
if (err || !data) return;
let $ = cheerio.load(data);
//找到图片并且下载
let urlImg = $(".main .main-image img").attr("src");
img.url_img = urlImg;
img.path = `/${img.category_id}/`;
let fileDetail = Tools.parseUri(urlImg);
let savePath = `${SpiderIDLE.BASE_PATH}/images/${img.category_id}${fileDetail.filepath}`;
img.location = `/images/${img.category_id}${fileDetail.filepath}/${fileDetail.filename}`;
Tools.checkDir(savePath);
download(urlImg,savePath).then(function () {
console.log("下载真实大图:",urlImg,",存储:",img.location);
callback(img);
});
});
});
},downloadThumbs: function () {
},clearRedis: function () {
redisConn.flushdb(function (err) {
console.log("清空Redis Cache成功",err);
});
},};
//Spider.clearRedis();
const SpiderTimer = setInterval(function () {
if (SpiderIDLE.start !== true) {
return false;
}
if (SpiderIDLE.img_page_success !== true) {
Spider.getImgPage(function (document) {
let urlImg = document.content;
//1.下载到本地进行存储
let fileDetail = Tools.parseUri(urlImg);
let savePath = SpiderIDLE.BASE_PATH + '/banner' + fileDetail.filepath;
Tools.checkDir(savePath);
download(urlImg,savePath).then(function () {
console.log("DownloadThumbsImg:","SavePath:",savePath);
});
//2.提交给服务器,这个只是页面的
document.content = "/banner" + fileDetail.filepath + "/" + fileDetail.filename;
document.view_count = parseInt(document.view_count);
serverapiclient.post(ServerApi.DocumentAdd,document,data) {
console.log(`图片Document:${document.category_id},写入服务器成功`);
});
});
}
Spider.downloadYY(function (picture) {
serverapiclient.post(ServerApi.PictureAdd,picture,data) {
console.log(`真实Picture:${picture.remote_id},存储服务器成功`);
});
});
Spider.getTaoTuImgs(function (document) {
});
},100);
Spider.getPagelist(function (count) {
console.log(`一共有:${count}个页面需要采集`);
SpiderIDLE.start = true;
});
process.on("exit",function () {
redisConn.end(true);
clearInterval(SpiderTimer);
Spider.clearRedis();
console.log("exit");
});
package.json
{
"name": "nodespider","version": "1.0.0","description": "","main": "index.js","scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},"author": "","license": "ISC","dependencies": {
"cheerio": "^1.0.0-rc.1","download": "^6.2.2","log4js": "^1.1.1","redis": "^2.7.1","request": "^2.81.0","restify-clients": "^1.5.0"
}
}
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