first commit

历届学生/苏琪/项目练习/newApp/appBack/app.js

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+var createError = require('http-errors');
+var express = require('express');
+var path = require('path');
+var cookieParser = require('cookie-parser');
+var logger = require('morgan');
+
+var indexRouter = require('./routes/index');
+var usersRouter = require('./routes/users');
+var typeRouter = require('./routes/type');
+
+var app = express();
+
+
+app.all('*', function (req, res, next) {
+  res.header('Access-Control-Allow-Origin', '*');
+  res.header('Access-Control-Allow-Headers', 'Content-Type');
+  res.header('Access-Control-Allow-Methods', '*');
+  res.header('Content-Type', 'application/json;charset=utf-8');
+  next();
+});
+
+app.use(logger('dev'));
+app.use(express.json());
+app.use(express.urlencoded({ extended: false }));
+app.use(cookieParser());
+
+app.use('/index', indexRouter);
+app.use('/users', usersRouter);
+app.use('/class', typeRouter)
+
+// catch 404 and forward to error handler
+app.use(function(req, res, next) {
+  next(createError(404));
+});
+
+// error handler
+app.use(function(err, req, res, next) {
+  // set locals, only providing error in development
+  res.locals.message = err.message;
+  res.locals.error = req.app.get('env') === 'development' ? err : {};
+
+  // render the error page
+  res.status(err.status || 500);
+});
+
+module.exports = app;

历届学生/苏琪/项目练习/newApp/appBack/bin/www

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+#!/usr/bin/env node
+
+/**
+ * Module dependencies.
+ */
+
+var app = require('../app');
+var debug = require('debug')('myapp:server');
+var http = require('http');
+
+/**
+ * Get port from environment and store in Express.
+ */
+
+var port = normalizePort(process.env.PORT || '3000');
+app.set('port', port);
+
+/**
+ * Create HTTP server.
+ */
+
+var server = http.createServer(app);
+
+/**
+ * Listen on provided port, on all network interfaces.
+ */
+
+server.listen(port);
+server.on('error', onError);
+server.on('listening', onListening);
+
+/**
+ * Normalize a port into a number, string, or false.
+ */
+
+function normalizePort(val) {
+  var port = parseInt(val, 10);
+
+  if (isNaN(port)) {
+    // named pipe
+    return val;
+  }
+
+  if (port >= 0) {
+    // port number
+    return port;
+  }
+
+  return false;
+}
+
+/**
+ * Event listener for HTTP server "error" event.
+ */
+
+function onError(error) {
+  if (error.syscall !== 'listen') {
+    throw error;
+  }
+
+  var bind = typeof port === 'string'
+    ? 'Pipe ' + port
+    : 'Port ' + port;
+
+  // handle specific listen errors with friendly messages
+  switch (error.code) {
+    case 'EACCES':
+      console.error(bind + ' requires elevated privileges');
+      process.exit(1);
+      break;
+    case 'EADDRINUSE':
+      console.error(bind + ' is already in use');
+      process.exit(1);
+      break;
+    default:
+      throw error;
+  }
+}
+
+/**
+ * Event listener for HTTP server "listening" event.
+ */
+
+function onListening() {
+  var addr = server.address();
+  console.log('App is run this: http://127.0.0.1:' + addr.port);
+}

历届学生/苏琪/项目练习/newApp/appBack/config/index.js

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+module.exports = {
+  HomeUrl: 'https://m.zongheng.com/h5/index?h5=1',
+  typeUrl: 'https://m.zongheng.com/h5/category/nav?h5=1',
+  classInfoUrl: 'https://m.zongheng.com/h5/ajax/category/details',
+  bookInfoUrl: 'https://m.zongheng.com/h5/book?bookid=',
+  chapterListInfo: 'https://m.zongheng.com/h5/ajax/chapter/list?h5=1&bookId=',
+  chapterRead: 'https://m.zongheng.com/h5/ajax/chapter?bookId=',
+  mysql: {
+    host     : '127.0.0.1',
+    user     : 'root',
+    password : 'lb714500',
+    database : 'xiaoshuo',
+    connectionLimit : 10
+  },
+  sql: {
+    userlogin: 'select id,user_name from user where user_name = ? and user_pwd = ?',
+    usercollect: 'INSERT INTO `like` ( user_userid , like_bookid ) VALUES (?,? )'
+  }
+}

历届学生/苏琪/项目练习/newApp/appBack/db/index.js

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+const mysql = require('yn-mysql-utils');
+const config = require('../config')
+
+ class DB {
+  constructor () {
+    this.db = new mysql(config.mysql)
+  }
+
+  async Query (params) {
+    return await this.db.Query(params)
+  }
+}
+
+module.exports = new DB()

历届学生/苏琪/项目练习/newApp/appBack/http/index.js

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+const request = require('request');
+const config = require('../config');
+
+class HttRequest {
+  get (params) {
+   return new Promise(function(resolve,reject){
+    var options = {
+      url: params.url,
+      headers: {
+        'User-Agent': 'Mozilla/5.0 (Linux; Android 8.0; Pixel 2 Build/OPD3.170816.012) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.100 Mobile Safari/537.36'
+      }
+    };
+    request(options, function (error, response, body) {
+      if (error) {
+        reject(error.message);
+      } else {
+        resolve(body)
+      }
+    });
+   })
+  }
+}
+
+module.exports = new HttRequest();

历届学生/苏琪/项目练习/newApp/appBack/package.json

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+{
+  "name": "myapp",
+  "version": "0.0.0",
+  "private": true,
+  "scripts": {
+    "start": "node-dev ./bin/www"
+  },
+  "dependencies": {
+    "cheerio": "^1.0.0-rc.3",
+    "cookie-parser": "~1.4.4",
+    "debug": "~2.6.9",
+    "express": "~4.16.1",
+    "http-errors": "~1.6.3",
+    "morgan": "~1.9.1",
+    "request": "^2.88.0",
+    "yn-mysql-utils": "^1.0.4"
+  }
+}

历届学生/苏琪/项目练习/newApp/appBack/routes/index.js

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+const express = require('express');
+const router = express.Router();
+const $http = require('../http');
+const config = require('../config');
+const utils = require('../utils');
+
+router.get('/', async function(req, res, next) {
+  try {
+    let $ = utils.cheerioLoad(await $http.get({ url: config.HomeUrl }));
+    let MainData = {
+      banner: [],
+      booklist: []
+    };
+    // 抓取banner轮播图数据
+    let BannerData = []
+    $(".slider-top-pic li").each(function() {
+      BannerData.push({
+        imgUrl: $(this).find('img').attr("src"),
+        href: 'https://m.zongheng.com' + $(this).attr("data-url")
+      })
+    });
+    MainData.banner = BannerData
+  
+    // 抓取 编辑力荐begin 的数据
+    let HomeTop = {}
+    HomeTop.title = $(".home-top .home-card-title i").text()
+    HomeTop.list = []
+    $('.home-top .home-book-item').each(function() {
+      HomeTop.list.push({
+        imgUrl: $(this).find("img").attr("src"),
+        title: $(this).find("img").attr("alt"),
+        id: utils.getUrlParam($(this).attr("data-url"),"bookid"),
+        desc: $(this).find(".desc").text(),
+        class: $(this).find(".item-label").text()
+      })
+    });
+    MainData.booklist.push(HomeTop)
+
+    // 男生必读 & 女生爱看 
+    let HomeBoy = {}
+    HomeBoy.title = $(".home-boy .home-card-title i").text()
+    HomeBoy.list = []
+    $('.home-boy .home-book-box').each(function() {
+      HomeBoy.list.push({
+        imgUrl: $(this).find("img").attr("data-src"),
+        title: $(this).find("img").attr("alt"),
+        id: utils.getUrlParam($(this).attr("data-url"),"bookid"),
+        desc: "",
+        class: ""
+      })
+    });
+    MainData.booklist.push(HomeBoy)
+
+
+    // 仙侠奇幻
+    let xianBook = {}
+    let xian = $(".home-card")[3]
+    xianBook.title = $(xian).find(".home-card-title .flex--fluid").text()
+    xianBook.top = {
+      imgUrl: $(xian).find(".book-img-border img").attr("data-src"),
+      title: $(xian).find(".font-a").text(),
+      id: utils.getUrlParam($(xian).find(".home-book-item").attr("data-url"),"bookid"),
+      desc: $(xian).find(".desc").text(),
+      class: $(xian).find(".item-label").text(),
+    }
+    xianBook.list = []
+    $(xian).find(".home-row-line").each(function() {
+      xianBook.list.push({
+        title: $(this).find("span").text(),
+        id: utils.getUrlParam($(this).attr("href"),"bookid")
+      })
+    })
+    MainData.booklist.push(xianBook)
+    utils.JsonData({ res: res, status: 200, data: MainData })
+  } catch (error) {
+    utils.JsonData({ res: res, status: 404, data: error.message })
+  }
+});
+
+module.exports = router; 

历届学生/苏琪/项目练习/newApp/appBack/routes/type.js

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+const express = require('express');
+const router = express.Router();
+const $http = require('../http');
+const config = require('../config');
+const utils = require('../utils');
+
+/**
+ * 获取小说所有分类
+ * http://127.0.0.1:3000/class/allClass
+ */
+router.get('/allClass', async function(req, res, next) {
+  try {
+    let $ = utils.cheerioLoad(await $http.get({ url: config.typeUrl }));
+    let typeList = []
+    $(".cat_box").each(function(i) {
+      typeList.push({
+        title: $(this).find(".cat_tit .cat_more").prev().text(),
+        pid: utils.getUrlParam($(this).find(".cat_tit .cat_more").prev().attr("href"), "cPid")
+      });
+      typeList[i]['child'] = []
+      $(this).find(".cat_list li").each(function() {
+        typeList[i]['child'].push({
+          text: $(this).find("a").text(),
+          cid: utils.getUrlParam($(this).find("a").attr("href"), "cid")
+        })
+      })
+    });
+    utils.JsonData({ res: res, status: 200, data: typeList })
+  } catch (error) {
+    utils.JsonData({ res: res, status: 404, data: error.message })
+  }
+});
+
+/**
+ * 获取对应小说分类的数据
+ * http://127.0.0.1:3000/class/classInfo?cPid=1&cid=1001&pageNum=1
+ * cid == -1 表示请求大分类数据
+ * cid != -1 表示请求大分类下小分类的数据
+ */
+router.get('/classInfo', async function(req, res, next) {
+  let cPid = parseInt(req.query.cPid),
+      cid = parseInt(req.query.cid),
+      pageNum = req.query.pageNum,
+      url = null;
+
+  if (cid == -1) {
+    url = `${config.classInfoUrl}?cPid=${cPid}&cid=-1&type=1&pageSize=10&pageNum=${pageNum}&bookType=0&callback=jsonp1`
+  } else {
+    url = `${config.classInfoUrl}?cPid=${cPid}&cid=${cid}&type=1&pageSize=10&pageNum=${pageNum}&bookType=0&callback=jsonp1`
+  }
+  try {
+    let data = JSON.parse((await $http.get({ url: url })).match(/jsonp1\(([\s\S]*?)\)/)[1]);
+    data.ranklist.forEach((val) => val.coverUrl = 'https://static.zongheng.com/upload/s_image'+val.coverUrl);
+    utils.JsonData({ res: res, status: 200, data: data })
+  } catch (error) {
+    utils.JsonData({ res: res, status: 404, data: error.message })
+  }
+  
+});
+
+/**
+ * 进入小说详情
+ * http://127.0.0.1:3000/class/bookInfo?bookid=722486
+ */
+router.get('/bookInfo', async function(req, res, next) {
+  
+  try {
+    let bookid = req.query.bookid;
+    let $ = utils.cheerioLoad(await $http.get({ url: config.bookInfoUrl+bookid }));
+    let bookInfo = {};
+    bookInfo.imgurl = $('.bookimg img').attr("src")
+    bookInfo.title = $('.booksite .bookname').text()
+    bookInfo.author = $($('.booksite .info div')[0]).find("span").text()
+    bookInfo.type = $($('.booksite .info div')[1]).find("span").text()
+    bookInfo.wordNum = $($('.booksite .info div')[2]).find("span").text()
+    bookInfo.readNum = $($('.booksite .info div')[3]).find("span").text()
+    bookInfo.desc =  $(".book_intro").text()
+  
+    bookInfo.newitem = {
+      text: $('.booksite #lastupdate .last_tit').text(),
+      zid: $('.booksite #lastupdate').attr("chapterid")
+    }
+    bookInfo.zjList = [];
+    $("#coverl_atz a").each(function() {
+      bookInfo.zjList.push({
+        text: $(this).text(),
+        zid: utils.getUrlParam($(this).attr("href"),"cid")
+      })
+    })
+
+    utils.JsonData({ res: res, status: 200, data: bookInfo })
+  } catch (error) {
+    utils.JsonData({ res: res, status: 404, data: error.message })
+  }
+
+});
+
+/**
+ * 获取小说的所有章节目录
+ * http://127.0.0.1:3000/class/chapterList?bookid=722486&pageNum=1
+ */
+router.get('/chapterList', async function(req, res, next) {
+  try {
+    let bookid = req.query.bookid,
+        pageNum = req.query.pageNum;
+    let url = `${config.chapterListInfo}${bookid}&pageNum=${pageNum}&pageSize=20&chapterId=&asc=0&callback=jsonp1`   
+    let data = JSON.parse((await $http.get({ url: url })).match(/jsonp1\(([\s\S]*?)\)/)[1]);
+    utils.JsonData({ res: res, status: 200, data: data })
+  } catch (error) {
+    utils.JsonData({ res: res, status: 404, data: error.message })
+  }
+});
+
+/**
+ * 获取小说章节的内容
+ * http://127.0.0.1:3000/class/chapterRead?bookid=722486&chapterId=39865789
+ */
+router.get('/chapterRead', async function(req, res, next) {
+  try {
+    let bookid = req.query.bookid,
+        chapterId = req.query.chapterId;
+    let url = `${config.chapterRead}${bookid}&chapterId=${chapterId}&v=1565096009107&callback=jsonp1`   
+    let data = JSON.parse((await $http.get({ url: url })).match(/jsonp1\(([\s\S]*?)\)/)[1]);
+    utils.JsonData({ res: res, status: 200, data: data })
+  } catch (error) {
+    utils.JsonData({ res: res, status: 404, data: error.message })
+  }
+});
+
+/**
+ * 点击章节目录开始阅读章节
+ * http://127.0.0.1:3000/class/chapterRead?bookid=722486&chapterId=39865789
+ */
+router.get('/chapterRead', async function(req, res, next) {
+  try {
+    let bookid = req.query.bookid,
+        chapterId = req.query.chapterId;
+    let url = `${config.chapterRead}${bookid}&chapterId=${chapterId}&callback=jsonp2`   
+    console.log(url)
+    let data = JSON.parse((await $http.get({ url: url })).match(/jsonp2\(([\s\S]*?)\)/)[1]);
+    utils.JsonData({ res: res, status: 200, data: data })
+  } catch (error) {
+    utils.JsonData({ res: res, status: 404, data: error.message })
+  }
+});
+
+module.exports = router;

历届学生/苏琪/项目练习/newApp/appBack/routes/users.js

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+var express = require('express');
+var router = express.Router();
+var db = require("../db");
+var config = require("../config")
+var utils = require('../utils');
+
+router.get('/getAll', async function(req, res, next) {
+  let da = await db.Query({
+    sql: 'select * from user',
+    par: []
+  })
+  res.json(da);
+});
+
+router.post('/userLogin', async function(req, res, next) {
+  var username = req.body.username,
+      userpwd = req.body.userpwd;
+  let da = await db.Query({
+    sql: config.sql.userlogin,
+    par: [ username, userpwd ]
+  })
+ 
+  da.length ==0 ? utils.JsonData({ res: res, status: 404, data: "账户密码错误" }): 
+  utils.JsonData({ res: res, status: 200, data: da[0] })
+});
+
+
+router.post('/collection', async function(req, res, next) {
+  var bookid = req.body.bookid,
+      uid = req.body.id;
+  console.log(uid,bookid)    
+  let da = await db.Query({
+    sql: config.sql.usercollect,
+    par: [uid, bookid]
+  })
+  da.length == 0 ? utils.JsonData({ res: res, status: 404, data: "收藏出错" }): 
+  utils.JsonData({ res: res, status: 200, data: '收藏成功' })
+
+});
+
+module.exports = router;

历届学生/苏琪/项目练习/newApp/appBack/utils/index.js

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+const cheerio = require('cheerio')
+
+class utils {
+  cheerioLoad(html) {
+    return cheerio.load(html)
+  }
+
+  JsonData (params) {
+    params.res.json({
+      status: params.status,
+      data: params.data
+    })
+  }
+
+  getUrlParam (path,name) {
+    path = "?"+path.split("?")[1]
+    var reg = new RegExp('(^|&)' + name + '=([^&]*)(&|$)');
+    var r = path.substr(1).match(reg);
+    if (r != null) return decodeURIComponent(r[2]); return null;
+  }
+}
+
+module.exports = new utils()

历届学生/苏琪/项目练习/newApp/appBack/笔记.txt

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+明天实现 uniapp 首页界面
+
+参考地址：https://m.zongheng.com/
+
+课下任务：
+
+1：实现 小说目录 的接口
+
+小说接口：
+
+https://m.zongheng.com/h5/ajax/chapter?bookId=576044&chapterId=33048748&v=1565096009107&callback=jsonp1