微信小程序模板完整前端与后端源码下载

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资源摘要信息:"maoyan-master_微信小程序模板js代码前台前端H5页面源码+后台源码.rar" 知识点: 1. 微信小程序介绍 微信小程序是一种不需要下载安装即可使用的应用,它实现了应用“触手可及”的梦想,用户扫一扫或搜一下即可打开应用。也体现了“用完即走”的理念,用户不用关心是否安装太多应用的问题。应用将无处不在,随时可用,但又无需安装卸载。 2. 微信小程序前端开发 微信小程序的前端主要是使用wxml、wxss、JavaScript和json来开发。wxml是一种标记语言,用于布局和展示,类似于html。wxss是微信小程序的样式表,类似于css。JavaScript用于处理用户的输入和程序逻辑,json用于配置页面的窗口背景色、导航条样式等。 3. H5页面开发 H5页面是基于html5标准开发的网页,具有更好的兼容性和更好的用户体验。H5页面可以运行在多种设备上,包括手机、平板、电脑等。H5页面的主要开发技术包括html、css和JavaScript。 4. 微信小程序后台开发 微信小程序后台开发主要涉及到服务器编程,包括数据处理、服务器逻辑处理、API接口开发等。常用的后台开发技术包括Node.js、PHP、Java等。后台开发主要负责处理小程序前端发送的请求,并返回数据。 5. 整站源码 整站源码是指一个网站的所有源代码,包括前台和后台的源码。前台源码主要负责展示给用户看的部分,后台源码主要负责数据处理和服务器逻辑。 6. rar压缩文件格式 rar是一种文件压缩格式,可以将多个文件压缩成一个压缩文件,以方便存储和传输。rar压缩文件可以通过特定的软件进行解压缩,查看里面的文件。 以上就是对"maoyan-master_微信小程序模板js代码前台前端H5页面源码+后台源码.rar"的详细解读。

import requests from bs4 import BeautifulSoup import openpyxl def get_movie_data(year): url = f'https://maoyan.com/films?year={year}' headers = {'User-Agent': 'Mozilla/5.0'} response = requests.get(url, headers=headers) if response.status_code == 200: soup = BeautifulSoup(response.content, 'html.parser') movies = soup.select('.movie-item-title') movie_data = [] for movie in movies: movie_link = 'https://maoyan.com' + movie.a['href'] movie_data.append(get_movie_details(movie_link)) return movie_data else: print(f"Failed to fetch data for year {year}") return [] def get_movie_details(url): headers = {'User-Agent': 'Mozilla/5.0'} response = requests.get(url, headers=headers) if response.status_code == 200: soup = BeautifulSoup(response.content, 'html.parser') movie_name = soup.select_one('h1.name').text.strip() release_date = soup.select_one('.info-release').text.strip() genre = soup.select_one('.info-category').text.strip() director = soup.select_one('.info-director').text.strip() actors = [actor.text.strip() for actor in soup.select('.info-actor a')] maoyan_score = soup.select_one('.score-num').text.strip() box_office = soup.select_one('.info-num').text.strip() return { '电影名称': movie_name, '上映日期': release_date, '影片类型': genre, '导演': director, '演员': ', '.join(actors), '猫眼口碑': maoyan_score, '累计票房': box_office } else: print(f"Failed to fetch details for {url}") return {} def save_to_excel(data, filename): wb = openpyxl.Workbook() ws = wb.active headers = ['电影名称', '上映日期', '影片类型', '导演', '演员', '猫眼口碑', '累计票房'] ws.append(headers) for movie in data: row_data = [movie.get(header, '') for header in headers] ws.append(row_data) wb.save(filename) print(f"Data saved to {filename}") if __name__ == '__main__': years = range(2017, 2021) all_movie_data = [] for year in years: movie_data = get_movie_data(year) all_movie_data.extend(movie_data) save_to_excel(all_movie_data, 'maoyan_movies_2017_to_2020.xlsx')

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解释代码,说明爬虫实现过程:# -- coding:utf8 -- import pymysql import requests import re import pandas as pd from bs4 import BeautifulSoup def get_movies(start): url = "https://movie.douban.com/top250?start=%d&filter=" % start lists = [] headers = { "User-Agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 9_1 like Mac OS X) AppleWebKit/601.1.46 (KHTML, like Gecko) Version/9.0 Mobile/13B143 Safari/601.1"} html = requests.get(url,headers=headers) soup = BeautifulSoup(html.content, "html.parser") items = soup.find("ol", class_="grid_view").find_all("li") for i in items: movie = {} movie["rank"] = i.find("em").text movie["link"] = i.find("div","pic").find("a").get("href") movie["mdirecter"]=re.findall(re.compile(r'

(.*?)

',re.S),str(i))[0].replace("...
","").replace("\n ","") movie["name"] = i.find("span", "title").text movie["score"] = i.find("span", "rating_num").text movie["quote"] = i.find("span", "inq").text if(i.find("span", "inq")) else "" lists.append(movie) return lists if name == "main": db = pymysql.connect(host="localhost",user="root",password="123456",db="maoyan",charset="utf8",port = 3306) cursor = db.cursor() cursor.execute("DROP TABLE IF EXISTS movies") createTab = """CREATE TABLE movies( id INT NOT NULL AUTO_INCREMENT PRIMARY KEY, name VARCHAR(20) NOT NULL, link VARCHAR(50) NOT NULL, score VARCHAR(4) NOT NULL, descr VARCHAR(50), directer VARCHAR(100), timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP )""" cursor.execute(createTab) #采集到的数据循环插入数据中 start = 0 while (start < 250): lists = get_movies(start) for i in lists: sql = "INSERT INTO movies(name,link,score,descr,directer) VALUES(%s,%s,%s,%s,%s)" try: cursor.execute(sql, (i["name"], i["link"] , i["score"], i["quote"],i["mdirecter"])) db.commit() print(i["name"]+"...成功插入到数据库中") except: db.rollback() start += 25 db.close() cursor = db.cursor() conn = pymysql.connect(host='localhost', user='root', password='123456', port=3306, db='maoyan', charset='utf8mb4') cursor = conn.cursor() #输出评分top10 sql = "select * from movies limit 10" db = pd.read_sql(sql, conn) df = db.sort_values(by="score", ascending=False) print(df[['name', 'score']])

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