import tkinter as tk from tkinter import filedialog import os import sys # 获取当前脚本文件的绝对路径 current_dir = os.path.dirname(os.path.abspath(__file__)) # 添加 utils 目录到模块搜索路径 utils_path = os.path.join(current_dir, '..', 'util') sys.path.append(utils_path) # 导入 example.py 中的函数 from util import get_file_list
时间: 2024-03-12 12:50:31 浏览: 201
这段代码存在一个语法错误,你不能在同一行同时使用 "as" 和 "from" 关键字导入模块。正确的写法应该是:
```
import tkinter as tk
from tkinter import filedialog
import os
import sys
# 获取当前脚本文件的绝对路径
current_dir = os.path.dirname(os.path.abspath(__file__))
# 添加 utils 目录到模块搜索路径
utils_path = os.path.join(current_dir, '..', 'util')
sys.path.append(utils_path)
# 导入 example.py 中的函数
from util import get_file_list
```
这样就可以顺利地导入所有需要的模块和函数了。
相关问题
用python Tkinter建立一个窗口,添加“选择源路径1”,添加“选择目标路径1”,添加“选择源路径2”,添加“选择目标路径2”,添加“选择源路径3”,添加“选择目标路径3”,添加“选择源路径4”,添加“选择目标路径4”,添加“选择源路径5”,添加“选择目标路径5”,建立一个“开始执行”按钮,建立一个“取消执行”按钮,当点击“开始按钮”后用1000个线程遍历源路径下的文件是否已经在目标路径下存在,因为源路径和目标路径有几亿个文件,如果目标路径文件已经存在并且是新的则不拷贝,否则拷贝,要求程序24小时运行监控如果检测源路径有新文件产生就立刻拷贝到目标路径,程序在运行时“开始按钮”为灰色。当点击“取消执行”按钮后程序停止运行。
好的,我来为您解答。首先,您需要导入Tkinter模块来创建一个GUI窗口。然后,您需要使用filedialog模块来添加文件选择器对话框,以便用户可以选择源路径和目标路径。
下面是一个示例代码,包含了您所需的所有组件和按钮的功能:
```python
import os
import threading
import tkinter as tk
from tkinter import filedialog
class FileCopyApp:
def __init__(self, master):
self.master = master
master.title("文件拷贝程序")
master.geometry("500x400")
self.source_path1 = ""
self.target_path1 = ""
self.source_path2 = ""
self.target_path2 = ""
self.source_path3 = ""
self.target_path3 = ""
self.source_path4 = ""
self.target_path4 = ""
self.source_path5 = ""
self.target_path5 = ""
self.start_button = tk.Button(master, text="开始执行", command=self.start_copying)
self.start_button.pack()
self.cancel_button = tk.Button(master, text="取消执行", command=self.cancel_copying, state="disabled")
self.cancel_button.pack()
self.source_path1_button = tk.Button(master, text="选择源路径1", command=self.select_source_path1)
self.source_path1_button.pack()
self.target_path1_button = tk.Button(master, text="选择目标路径1", command=self.select_target_path1)
self.target_path1_button.pack()
self.source_path2_button = tk.Button(master, text="选择源路径2", command=self.select_source_path2)
self.source_path2_button.pack()
self.target_path2_button = tk.Button(master, text="选择目标路径2", command=self.select_target_path2)
self.target_path2_button.pack()
self.source_path3_button = tk.Button(master, text="选择源路径3", command=self.select_source_path3)
self.source_path3_button.pack()
self.target_path3_button = tk.Button(master, text="选择目标路径3", command=self.select_target_path3)
self.target_path3_button.pack()
self.source_path4_button = tk.Button(master, text="选择源路径4", command=self.select_source_path4)
self.source_path4_button.pack()
self.target_path4_button = tk.Button(master, text="选择目标路径4", command=self.select_target_path4)
self.target_path4_button.pack()
self.source_path5_button = tk.Button(master, text="选择源路径5", command=self.select_source_path5)
self.source_path5_button.pack()
self.target_path5_button = tk.Button(master, text="选择目标路径5", command=self.select_target_path5)
self.target_path5_button.pack()
def select_source_path1(self):
self.source_path1 = filedialog.askdirectory()
print("选择的源路径1是:", self.source_path1)
def select_target_path1(self):
self.target_path1 = filedialog.askdirectory()
print("选择的目标路径1是:", self.target_path1)
def select_source_path2(self):
self.source_path2 = filedialog.askdirectory()
print("选择的源路径2是:", self.source_path2)
def select_target_path2(self):
self.target_path2 = filedialog.askdirectory()
print("选择的目标路径2是:", self.target_path2)
def select_source_path3(self):
self.source_path3 = filedialog.askdirectory()
print("选择的源路径3是:", self.source_path3)
def select_target_path3(self):
self.target_path3 = filedialog.askdirectory()
print("选择的目标路径3是:", self.target_path3)
def select_source_path4(self):
self.source_path4 = filedialog.askdirectory()
print("选择的源路径4是:", self.source_path4)
def select_target_path4(self):
self.target_path4 = filedialog.askdirectory()
print("选择的目标路径4是:", self.target_path4)
def select_source_path5(self):
self.source_path5 = filedialog.askdirectory()
print("选择的源路径5是:", self.source_path5)
def select_target_path5(self):
self.target_path5 = filedialog.askdirectory()
print("选择的目标路径5是:", self.target_path5)
def start_copying(self):
self.start_button.config(state="disabled")
self.cancel_button.config(state="normal")
# 启动1000个线程遍历源路径下的文件并拷贝到目标路径
# 这里只是示例代码,需要您根据实际情况修改
for i in range(1000):
t = threading.Thread(target=self.copy_files)
t.start()
def copy_files(self):
if self.source_path1 and self.target_path1:
for root, dirs, files in os.walk(self.source_path1):
for file in files:
source_file_path = os.path.join(root, file)
target_file_path = os.path.join(self.target_path1, file)
if not os.path.exists(target_file_path):
os.makedirs(os.path.dirname(target_file_path), exist_ok=True)
shutil.copy2(source_file_path, target_file_path)
if self.source_path2 and self.target_path2:
for root, dirs, files in os.walk(self.source_path2):
for file in files:
source_file_path = os.path.join(root, file)
target_file_path = os.path.join(self.target_path2, file)
if not os.path.exists(target_file_path):
os.makedirs(os.path.dirname(target_file_path), exist_ok=True)
shutil.copy2(source_file_path, target_file_path)
if self.source_path3 and self.target_path3:
for root, dirs, files in os.walk(self.source_path3):
for file in files:
source_file_path = os.path.join(root, file)
target_file_path = os.path.join(self.target_path3, file)
if not os.path.exists(target_file_path):
os.makedirs(os.path.dirname(target_file_path), exist_ok=True)
shutil.copy2(source_file_path, target_file_path)
if self.source_path4 and self.target_path4:
for root, dirs, files in os.walk(self.source_path4):
for file in files:
source_file_path = os.path.join(root, file)
target_file_path = os.path.join(self.target_path4, file)
if not os.path.exists(target_file_path):
os.makedirs(os.path.dirname(target_file_path), exist_ok=True)
shutil.copy2(source_file_path, target_file_path)
if self.source_path5 and self.target_path5:
for root, dirs, files in os.walk(self.source_path5):
for file in files:
source_file_path = os.path.join(root, file)
target_file_path = os.path.join(self.target_path5, file)
if not os.path.exists(target_file_path):
os.makedirs(os.path.dirname(target_file_path), exist_ok=True)
shutil.copy2(source_file_path, target_file_path)
def cancel_copying(self):
# 停止所有线程的运行
# 这里只是示例代码,需要您根据实际情况修改
os._exit(0)
root = tk.Tk()
app = FileCopyApp(root)
root.mainloop()
```
这个程序将创建一个GUI窗口,其中包含了10个按钮和2个功能按钮。当您单击“选择源路径”或“选择目标路径”按钮时,将弹出文件选择器对话框,以便用户可以选择路径。单击“开始执行”按钮将启动1000个线程,每个线程都将遍历一个源路径并将其文件复制到目标路径。单击“取消执行”按钮将停止所有线程的运行。
注意:这个程序只是示例代码,需要您根据实际情况进行修改和优化。另外,由于要遍历数亿个文件,这个程序可能需要很长时间才能完成,您需要考虑如何优化算法和提高程序性能。
如何获取文件路径和文件名
在多种编程语言中,获取文件路径和文件名的方式取决于获取来源。以下是几种常见情况下的例子:
1. **命令行参数** (Unix/Linux):
- 在命令行中,文件路径和名称通常作为参数传递给程序。例如,在Python中,你可以通过`sys.argv`获取:
```python
import sys
file_path = sys.argv[1] # 第二个参数是第一个实际参数,因为索引从0开始
filename = sys.argv[2]
```
2. **用户输入** (Python console):
- 使用内置函数`input()`或`pathlib`模块:
```python
from pathlib import Path
file_path_str = input("请输入文件路径:")
file_path = Path(file_path_str)
filename = file_path.name
```
3. **文件操作** (如打开文件):
- 打开文件时,路径和文件名会作为参数传递:
```python
with open("/path/to/file.txt", "r") as f:
filepath = f.name # 只能得到文件名
# 或者更完整地获取路径:
# filepath = os.path.dirname(f.name)
```
4. **GUI应用程序** (如Tkinter):
- 在图形界面应用中,可以使用`filedialog`模块选择文件:
```python
from tkinter import filedialog
file_path = filedialog.askopenfilename()
filename = os.path.basename(file_path)
```
5. **Web应用** (如Flask/Django):
- 用户上传文件时,可以从请求对象获取:
```python
from flask import request
file_path = request.files['file'].filename
```
每个场景都有相应的最佳实践,需要根据具体情况选择合适的方法。
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