1.如何使用tkinter调用系统路径
2.构造url，参数化图片分类、抓取页数
3.使用tkinter获取输入参数传给执行代码
4.利用tkinter模块做成GUI程序
直接上代码
# coding:utf-8
import tkinter as tk
from tkinter import ttk
from tkinter.filedialog import askdirectory
import requests
import re
import os
"""图形界面爬取图片cj20190807"""
class BXS():
def __init__(self):
self.window = tk.Tk()
self.window.title("爬取不羞涩图片")
self.window.geometry("580x580")
self.label1 = tk.Label(self.window, text='存放路径')
self.label2 = tk.Label(self.window, text='选择分类')
self.label3 = tk.Label(self.window, text='爬取页数')
# 创建一个文本展示框，并设置尺寸
self.info = tk.Text(self.window,width=70)
# 下拉选择按钮:爬取类型
self.num1 = tk.StringVar()
self.cmb1 = ttk.Combobox(self.window, textvariable=self.num1)
# 设置下拉菜单中的值
self.cmb1['values'] = ('大胸妹', '小翘臀', '黑丝袜', '美腿控', '有颜值', '大杂烩')
self.cmb1.current(0) # 设置默认值，即默认下拉框中的内容,默认值中的内容为索引，从0开始
# 下拉选择按钮:爬取页数
self.num2 = tk.StringVar()
self.cmb2 = ttk.Combobox(self.window, textvariable=self.num2)
# 设置下拉菜单中的值
self.cmb2['values'] = (1, 2, 3, 4, 5)
self.cmb2.current(0) # 设置默认值，即默认下拉框中的内容,默认值中的内容为索引，从0开始
# 输入框，显示选择的路径
self.path = tk.StringVar()
self.e = tk.Entry(self.window, show=None, width=8, textvariable=self.path)
# button按钮
self.t1_button = tk.Button(self.window, text='选择路径', relief=tk.RAISED, width=8, height=1, command=lambda:self.select_Path())
# 清空输入框
self.t2_button = tk.Button(self.window, text='清空路径', relief=tk.RAISED, width=8, height=1, command=lambda:self.clear_Path())
# 提取按钮
self.run_button = tk.Button(self.window,text="开始提取",relief=tk.RAISED,command=lambda:self.run())
def gui(self):
self.label1.grid(row=1, column=1, padx=10, pady=10, ipadx=10, ipady=10)
self.label2.grid(row=2, column=1, padx=10, pady=20, ipadx=10, ipady=10)
self.cmb1.grid(row=2, column=2, padx=10, pady=20, ipadx=30, ipady=8)
self.label3.grid(row=3, column=1, padx=10, pady=10, ipadx=10, ipady=10)
self.cmb2.grid(row=3, column=2, padx=10, pady=20, ipadx=30, ipady=8)
self.e.grid(row=1, column=2, padx=1, pady=10, ipadx=130, ipady=8)
self.t1_button.grid(row=1, column=3, padx=10)
self.t2_button.grid(row=1, column=4)
self.run_button.grid(row=2, column=3)
self.info.grid(row=4, rowspan=5, column=1, columnspan=4)
def select_Path(self):
"""选取本地路径"""
filepath = askdirectory()
self.path.set(filepath)
def clear_Path(self):
"""清空输入框中路径"""
self.e.delete(0, "end") # 从第一行清除到最后一行
def get_cid(self):
if self.cmb1.get() == "大胸妹":
cid = 2
if self.cmb1.get() == "小翘臀":
cid = 6
if self.cmb1.get() == "黑丝袜":
cid = 7
if self.cmb1.get() == "美腿控":
cid = 3
if self.cmb1.get() == "有颜值":
cid = 4
if self.cmb1.get() == "大杂烩":
cid = 5
return cid
def get_pagenum(self):
return self.cmb2.get()
def get_url(self):
base_url = "https://www.dbmeinv.com/index.htm?"
url_list = []
for i in range(int(self.get_pagenum())):
url = base_url + "cid=" + str(self.get_cid()) + "&pager_offset=" + str(self.get_pagenum())
url_list.append(url)
return url_list
def get_dictdata(self,url):
# url = get_url()
result = requests.get(url=url).text
name_pattern = re.compile(r'<img class="height_min".*?title="(.*?)"', re.S)
src_pattern = re.compile(r'<img class="height_min".*?src="(.*?.jpg)"', re.S)
name = re.findall(name_pattern, result) # 提取title
scr = re.findall(src_pattern, result) # 提取图片url
d = []
for i in range(len(name)):
d.append([name[i], scr[i]])
return d # 列表转换为字典，key相同则只能保存一个链接，所以这里不转换为字典
# print(d)
# dictdata = dict(d)#转换为字典
# return dictdata
def get_content(self,url):
try:
r = requests.get(url)
if r.status_code == 200:
return r.content
else:
return None
except Exception as e:
return None
def download(self, url):
a = self.e.get()
print(a)
# for t in get_dictdata(url).items():
for t in self.get_dictdata(url):
try:
# title可能相同，所以文件名取了链接后四位作随机数
file_path = self.e.get() + "\\" + t[0] + t[1][-8:-4] + ".jpg"
print("正在下载：" + t[0] + " " + t[1])
self.info.insert('end',"正在下载：" + t[0] + " " + t[1]+'\n')
if not os.path.exists(file_path): # 如果不存在则下载写文件
with open(file_path, "wb") as f:
f.write(self.get_content(t[1]))
except Exception:
continue
def run(self):
for i in self.get_url():
self.download(i)
def main():
t = BXS()
t.gui()
tk.mainloop()
if __name__ == '__main__':
main()
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