1，項目概況
項目名稱：
小說在線閱讀器
項目需求：
1，根據(jù)關(guān)鍵字檢索，實現(xiàn)從互聯(lián)網(wǎng)獲取所需鏈接。
2，對獲取的鏈接進行解析，獲取二級鏈接，獲取的鏈接以文件的形式保存。
3，實現(xiàn)小說在線閱讀。
所需技術(shù)：
Python基本爬蟲，Python tkinter GUI設(shè)計
2，項目代碼：

from fake_useragent import UserAgent from bs4 import BeautifulSoup as Bp import tkinter as tk import tkinter.messagebox import requests as req import re import os #彈出窗口提示，說明使用須知。 tkl = tk.Tk() tkl.title('驗證窗口') tkl.geometry('250x100') tkinter.messagebox.showinfo(title='使用須知',message='''1,本軟件需要連接網(wǎng)絡(luò)才能夠正常使用，使用本軟件時請先連接網(wǎng)絡(luò)！\n2,本軟件僅供學習交流使用，請勿私自傳播！\n3,鑒于本人水平有限，本軟件若有不足之處，望見諒。\n4,在軟件獲取鏈接或者解析時請勿操作軟件，否則可能會導致軟件無響應(yīng)！''') tlable = tk.Label(tkl,text='閱讀須知后請關(guān)閉此窗口!!!',font=('Arial',12)) tlable.pack() tkl.mainloop() #創(chuàng)建主窗口 app = tk.Tk() app.title('小說搜索解析閱讀器v1.0') app.geometry('800x600')lable = tk.Label(app,text='請輸入關(guān)鍵字',font=('Arial',12)) lable.pack() #定義搜索框 search_entry = tk.Entry(app,show=None,width=50) search_entry.pack()#定義功能函數(shù) def getdata():st.delete(1.0,tk.END)url = 'http://www.biquge.info/modules/article/search.php'#偽裝頭部ua = UserAgent()header = {'User-Agent':ua.random}key = search_entry.get()#爬取鏈接try:r = req.post(url,{'searchkey':key},headers=header)except Exception as e:tkinter.messagebox.showinfo(title='警告！',message='獲取鏈接失敗，請點擊按鈕重試！')returnr.raise_for_status()r.encoding = r.apparent_encodingre_list = []soup = Bp(r.text,'html.parser')data = soup.find_all('a')for item in data:try:if re.findall(key,item.text):re_list.append(item.text + ':' + 'http://www.biquge.info' + item['href'])except:continueif not re_list:st.insert('insert','沒有發(fā)現(xiàn)！')dvar = '-*---------------------*-\n請在下面復制要解析的鏈接，注意：一次只能解析一條\n' + '\n'.join(re_list)st.insert('insert',dvar)return#定義按鈕實現(xiàn)功能 search_button = tk.Button(app,text='獲取鏈接',width=12,height=2,command=getdata) search_button.pack()lable1 = tk.Label(app,text='鏈接顯示區(qū)域',font=('Arial',12)) lable1.pack()st = tk.Text(app,width=80,height=5) st.pack()lable2 = tk.Label(app,text='請輸入鏈接',font=('Arial',12)) lable2.pack()read_entry = tk.Entry(app,show=None,width=80) read_entry.pack() #定以函數(shù)，用以實現(xiàn)相關(guān)按鈕功能 def readlink():url = read_entry.get()try:rd = req.get(url)rd.raise_for_status()rd.encoding = rd.apparent_encodingsoup = Bp(rd.text,'html.parser')readdata = soup.find_all('a')read_re_data = []for item in readdata:try:if 'html' in item['href'] and 'http' not in item['href']:read_re_data.append(url + item['href'])else:continueexcept:continuewith open('read.txt','w') as wfile:wfile.write('\n'.join(read_re_data))wfile.close()except:tkinter.messagebox.showinfo(title='警告', message='發(fā)生錯誤，請重試！')returnread_button = tk.Button(app,text='解析',width=12,height=2,command=readlink) read_button.pack() #readapp用于設(shè)置閱讀窗口 def readapp():readapp = tk.Tk()readapp.title('閱讀界面')readapp.geometry('1000x800')lable = tk.Label(readapp,text='閱讀界面',font=('Arial',12))lable.pack()if not os.path.exists('read.txt'):tkinter.messagebox.showinfo(title='錯誤',message='未找到文件！')readapp.destroy()returnwith open('page.tmp','w') as file:file.write('1')file.close()def downd():if not os.path.exists('page.tmp'):tkinter.messagebox.showinfo(title='錯誤', message='請重試！')rf = open('page.tmp','r')page = int(eval(rf.read()))page += 1rf.close()page_str = str(page)rfs = open('page.tmp','w')rfs.write(page_str)rfs.close()readt.delete(1.0,tk.END)rfile = open('read.txt', 'r')url = rfile.readlines()rfile.close()readr = req.get(url[page][:-1:])readr.raise_for_status()readr.encoding = readr.apparent_encodingsoup = Bp(readr.text, 'html.parser')data = soup.find_all('div', id='content')for item in data:readt.insert('insert', item.text)returndef upd():if not os.path.exists('page.tmp'):tkinter.messagebox.showinfo(title='錯誤', message='請重試！')rf = open('page.tmp', 'r')page = int(eval(rf.read()))rf.close()if page <= 1:tkinter.messagebox.showinfo(title='錯誤', message='沒有上一章了！')returnpage -= 1page_str = str(page)rfs = open('page.tmp', 'w')rfs.write(page_str)rfs.close()readt.delete(1.0, tk.END)rfile = open('read.txt', 'r')url = rfile.readlines()rfile.close()readr = req.get(url[page][:-1:])readr.raise_for_status()readr.encoding = readr.apparent_encodingsoup = Bp(readr.text, 'html.parser')data = soup.find_all('div', id='content')for item in data:readt.insert('insert', item.text)returnbutton1 = tk.Button(readapp,text='上一章',width=10,height=2,command=upd)button1.pack()button2 = tk.Button(readapp,text='下一章',width=10,height=2,command=downd)button2.pack()readt = tk.Text(readapp, width=120, height=50)rfile = open('read.txt','r')url = rfile.readlines()rfile.close()readr = req.get(url[1][:-1:])readr.raise_for_status()readr.encoding = readr.apparent_encodingsoup = Bp(readr.text,'html.parser')data = soup.find_all('div',id='content')for item in data:readt.insert('insert',item.text)readt.pack()readapp.mainloop()read_button1 = tk.Button(app,text='閱讀',width=12,height=2,command=readapp)read_button1.pack()app.mainloop()

3，項目效果：

總結(jié)

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