res.to_excel(os.path.join(cur_dir, id + ".xlsx"))什么意思
时间: 2023-06-17 22:06:48 浏览: 66
这段代码是将一个 pandas DataFrame 对象(假设为 res)输出为一个 Excel 文件,文件名为 id + ".xlsx",并保存到当前工作目录(cur_dir)中。
具体解释:
1. res.to_excel() 是 pandas 库中 DataFrame 对象的一个方法,用于将 DataFrame 写入 Excel 文件。
2. os.path.join(cur_dir, id + ".xlsx") 是使用 os 模块中的 join() 方法将当前工作目录和文件名合并,生成一个完整的文件路径。
3. 最终结果是将 res 对象输出到 id + ".xlsx" 文件中,保存到当前工作目录中。
相关问题
if os.path.isfile(os.path.join(cur_dir, item)):
这段代码是用来判断当前目录下的某个文件是否存在的,如果存在,则输出`- -_-`,否则输出`/_\ /_\ /_\`。代码中`os.path.join(cur_dir, item)`用来拼接当前路径和文件名,`os.path.isfile()`用于判断是否是文件。完整代码如下所示:
```python
import os
cur_dir = os.path.abspath(os.path.dirname(__file__)) # 获取当前文件所在目录的绝对路径
def check_file_exist(item):
if os.path.isfile(os.path.join(cur_dir, item)):
print("- -_- -_-")
else:
print("/_\ /_\ /_\ ")
check_file_exist("test.txt") # 调用函数并传入文件名
```
cur_dir = '/'.join(os.path.abspath(__file__).split('/')[:-1]) self.data_path = os.path.join(cur_dir, 'data/medical.json')
As an AI language model, I cannot accurately determine the context and purpose of this code snippet. However, I can explain what each line does:
- `cur_dir = '/'.join(os.path.abspath(__file__).split('/')[:-1])`: This line sets the variable `cur_dir` to the absolute path of the current file, obtained using `os.path.abspath(__file__)`, and then splits it into its individual directory components using `split('/')`. The `[:-1]` notation means that all components except the last one (which is the file name) are included. Finally, the components are joined back together using `'/'` as the separator to create the directory path.
- `self.data_path = os.path.join(cur_dir, 'data/medical.json')`: This line sets the instance variable `data_path` to the path of a JSON file named `medical.json` located in a subdirectory called `data` within the directory specified by `cur_dir`. This is accomplished using the `os.path.join()` function, which combines the two path components into a single path string.