使用python的内置模块tkinter编写了爬取51Ape网站（无损音乐的百度云链接）的UI界面
tkinter入门简单, 但同时在编写的过程中因为文档的缺少很不方便。
下面是UI界面模块的编写，由于爬虫方面由于网站没有反爬非常简单，就不显示出来了
UI类在初始化时会加载所有歌手信息， 下拉框绑定了<
from tkinter import *
from tkinter import ttk
import tkinter.font as tkFont
from .spider import get_singer_info, get_all_song, get_song_link
song_info = {}
# 定义适合的函数创建框架和更简洁的按钮， 增加程序的易读性
def labelframe(root):
w = LabelFrame(root)
w.pack(fill=X, padx=15, pady=8)
return w
def label(root, text, font):
w = Label(root, text=text, bg='blue', fg='white', width=6, font=font)
w.pack(fill=X, padx=10, side=LEFT)
return w
def frame(root, side):
w = Frame(root)
w.pack(side=side, expand=YES, fill=BOTH, padx=10, pady=8)
return w
def combobox(root, variable, font):
w = ttk.Combobox(root, textvariable=variable, width=10, font=font)
w.pack(fill=X, padx=5, side=LEFT)
return w
def entry(root, font):
w = Entry(root, width=12, font=font)
w.pack(padx=5, fill=X, side=LEFT)
return w
def listbox(root, font):
w = Listbox(root, height=10, width=22, font=font)
w.pack(side=LEFT, fill=X, expand=YES)
return w
def scrollbar(root, orient, side, fill, command=None):
w = Scrollbar(root, orient=orient, command=command)
w.pack(side=side, fill=fill)
return w
def font(family, size):
w = tkFont.Font(family=family, size=size)
return w
class AppUI(Frame):
def __init__(self):
tk = Tk() # 实例化tk对象
self.singer = StringVar() # 定义一个可供内容存取的tkinter的变量
ft = font(family='Calibri', size=10) # 定义字体 family：字体类型名的字符串；size：以点为单位的字体高度
lf = labelframe(tk) # LabelFrame 组件是 Frame 组件的变体。默认情况下，LabelFrame 会在其子组件的周围绘制一个边框以及一个标题。
top_frame = frame(lf, side=TOP) # 定义容器frame，side=TOP sdie停靠在父组件的那一边上，默认TOP
label(top_frame, text='Singer', font=ft) # 标签
self.cbb = combobox(top_frame, self.singer, font=ft) # 下拉框
self.cbb['values'] = tuple([key for key in get_singer_info().keys()]) # 初始化下拉框的值
self.cbb.bind("<>", self.change) # 下拉框绑定选择事件
bottom_frame = frame(lf, TOP)
band = frame(bottom_frame, TOP)
self.listbox = listbox(band, font=ft) # listbox
self.listbox.bind('', self.open_link) # listbox绑定双击事件
vertical_bar = scrollbar(band, orient=VERTICAL, side=RIGHT, fill=Y, command=self.listbox.yview) # 创建滚动条 orient1. 指定绘制 HORIZONTAL（垂直滚动条）还是 VERTICAL（水平滚动条）2. 默认值是 VERTICAL command 1.当滚动条更新时回调的函数 2.通常的是指定对应组件的 xview() 或 yview() 方法
self.listbox['yscrollcommand'] = vertical_bar.set # 设置竖直滚动条
horizontal_bar = scrollbar(bottom_frame, orient=HORIZONTAL, side=BOTTOM, fill=X, command=self.listbox.xview)
self.listbox['xscrollcommand'] = horizontal_bar.set # 设置水平滚动条
footer_frame = frame(lf, TOP)
label(footer_frame, text='Key', font=ft)
self.ekey = entry(footer_frame, font=ft)
tk.title('51Api') # 修改窗口名
tk.update() # 刷新页面 刷新winfo_width, winfo_height
curWidth = tk.winfo_width()
curHeight = tk.winfo_height()
scnWidth, scnHeight = tk.maxsize()
size = '+%d+%d' % ((scnWidth - curWidth) / 2, (scnHeight - curHeight) / 2)
tk.geometry(size) # %dx%d+%d+%d 第一个数横大小,第二个数纵大小,第三个数离左屏幕边界距离,第四个数离上面屏幕边界距离
tk.mainloop() # 进入消息循环
def change(self, event):
self.listbox.delete(0, END)
get_all_song(self.cbb.get())
from .spider import song_queue
while True:
if song_queue.empty():
break
song = song_queue.get()
self.listbox.insert('end', song[0])
song_info[song[0]] = song[1]
def open_link(self, event):
from webbrowser import open
down_link, down_key = get_song_link(song_info[self.listbox.selection_get()])
self.ekey.delete(0, END)
self.ekey.insert(0, down_key)
open(down_link)
if __name__ == "__main__":
AppUI()