把文件名重命名为你的姓名缩写(如LRD)_当前日期(如1_22).png,并把新的文件进行压缩 用Python实现
时间: 2023-12-03 12:41:57 浏览: 26
以下是Python实现代码:
```python
import os
import datetime
import zipfile
# 获取当前日期
now = datetime.datetime.now()
date_str = now.strftime("%m_%d")
# 获取文件名并重命名
file_path = "original_file.png"
name, ext = os.path.splitext(file_path)
new_name = "LRD_" + date_str + ext
os.rename(file_path, new_name)
# 压缩文件
zip_name = "LRD_" + date_str + ".zip"
with zipfile.ZipFile(zip_name, 'w') as zip:
zip.write(new_name)
```
以上代码会把文件名重命名为 "LRD_月份_日期.png" 的格式,并将原始文件压缩到 "LRD_月份_日期.zip" 文件中。注意,需要将 "original_file.png" 替换为实际的文件路径。
相关问题
拉普拉斯重分解(LRD)
拉普拉斯重分解(Laplace Residualposition,LRD)是一种用于时间序列预测的方法。它基于拉普拉斯算子的性质,将时间序列分解为趋势、周期和残差三个部分。
具体来说,LRD将时间序列表示为以下形式:
Y(t) = T(t) + P(t) + R(t)
其中,Y(t)是原始时间序列,T(t)是趋势项,P(t)是周期项,R(t)是残差项。
1. 趋势项(T(t)):表示时间序列的长期趋势变化,可以通过拟合多项式或指数函数来估计。
2. 周期项(P(t)):表示时间序列的周期性变化,可以通过拟合正弦或余弦函数来估计。
3. 残差项(R(t)):表示时间序列中无法被趋势和周期解释的随机波动部分。
通过将时间序列分解为这三个部分,LRD可以更好地理解和预测时间序列的特征。趋势项和周期项可以帮助我们捕捉到时间序列的长期趋势和周期性变化,而残差项则包含了无法被这两个部分解释的随机波动。
用C#实现DES和RSA算法对文件加密、和解密
好的,针对您的问题,我可以给您提供一些参考。
DES算法加密和解密示例代码:
```csharp
using System;
using System.IO;
using System.Security.Cryptography;
public class DESExample
{
private static readonly byte[] Key = new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 };
private static readonly byte[] IV = new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 };
public static void EncryptFile(string inputFilePath, string outputFilePath)
{
using var des = new DESCryptoServiceProvider();
using var inputStream = new FileStream(inputFilePath, FileMode.Open, FileAccess.Read);
using var outputStream = new FileStream(outputFilePath, FileMode.Create, FileAccess.Write);
des.Key = Key;
des.IV = IV;
using var encryptor = des.CreateEncryptor();
using var cryptoStream = new CryptoStream(outputStream, encryptor, CryptoStreamMode.Write);
inputStream.CopyTo(cryptoStream);
cryptoStream.FlushFinalBlock();
}
public static void DecryptFile(string inputFilePath, string outputFilePath)
{
using var des = new DESCryptoServiceProvider();
using var inputStream = new FileStream(inputFilePath, FileMode.Open, FileAccess.Read);
using var outputStream = new FileStream(outputFilePath, FileMode.Create, FileAccess.Write);
des.Key = Key;
des.IV = IV;
using var decryptor = des.CreateDecryptor();
using var cryptoStream = new CryptoStream(inputStream, decryptor, CryptoStreamMode.Read);
cryptoStream.CopyTo(outputStream);
outputStream.Flush();
}
}
```
RSA算法加密和解密示例代码:
```csharp
using System;
using System.IO;
using System.Security.Cryptography;
public class RSAExample
{
private static readonly string PublicKey = "<RSAKeyValue><Modulus>oKI2Hxg7K5Hd6d8DT7+7p6vqoLJpFwNpkBzv/k4rZKw86hs2Gx9zTt2+JzLJ3VYsZq8YfK0V0d85t2c+Jq3D7BjnsiP9i4j6kOaRc7v7GKv4rRAc7S6t7WhrFVg+KQ9dZ5iM6NhrX7oOqB5hLb7p9eN+5VB9X4IWFSz+Q3YE=</Modulus><Exponent>AQAB</Exponent></RSAKeyValue>";
private static readonly string PrivateKey = "<RSAKeyValue><Modulus>oKI2Hxg7K5Hd6d8DT7+7p6vqoLJpFwNpkBzv/k4rZKw86hs2Gx9zTt2+JzLJ3VYsZq8YfK0V0d85t2c+Jq3D7BjnsiP9i4j6kOaRc7v7GKv4rRAc7S6t7WhrFVg+KQ9dZ5iM6NhrX7oOqB5hLb7p9eN+5VB9X4IWFSz+Q3YE=</Modulus><Exponent>AQAB</Exponent><P>6DdR7M/CuFjyF3v6MfTnW8MhFwM8Wt4GpBZG9e+y5L8=</P><Q>6J3f2gPQy7E1k1PbR+0WwC5yZPQ/N4WZ4GQvyXq1r5I=</Q><DP>bqbN+qWZJ+Oul9F73BvKm4JNm91qMpbkzqx4WovhD9k=</DP><DQ>Y7e4CKD+5pwu7e4oCzIYs0E3LlUWJf4LkLwN+3Q6w6U=</DQ><InverseQ>g4TlKvQf7r6jVQK2lRrV4Zar0hN6I4oWU1Lm9p1zvAo=</InverseQ><D>aeHvIhO4+Yk7bW+4qo7w5yJjWjyWz3mVW5l1mLb0h8JtPZV12qY8jMHZ0cNzUJ7a1Z1IjWkN73uU+qT0O4O5ZQK0ZyO0zj8FIAJn5wJj7rP8Lw5Ll5Qk7K1jy6h0J0O3mY9Hf6Lg2X4L2u6G4LrD5kiJ8Y2nWZL3V7E0e6YB0=</D></RSAKeyValue>";
public static void EncryptFile(string inputFilePath, string outputFilePath)
{
using var rsa = new RSACryptoServiceProvider();
rsa.FromXmlString(PublicKey);
using var inputStream = new FileStream(inputFilePath, FileMode.Open, FileAccess.Read);
using var outputStream = new FileStream(outputFilePath, FileMode.Create, FileAccess.Write);
using var encryptor = rsa.CreateEncryptor();
using var cryptoStream = new CryptoStream(outputStream, encryptor, CryptoStreamMode.Write);
inputStream.CopyTo(cryptoStream);
cryptoStream.FlushFinalBlock();
}
public static void DecryptFile(string inputFilePath, string outputFilePath)
{
using var rsa = new RSACryptoServiceProvider();
rsa.FromXmlString(PrivateKey);
using var inputStream = new FileStream(inputFilePath, FileMode.Open, FileAccess.Read);
using var outputStream = new FileStream(outputFilePath, FileMode.Create, FileAccess.Write);
using var decryptor = rsa.CreateDecryptor();
using var cryptoStream = new CryptoStream(inputStream, decryptor, CryptoStreamMode.Read);
cryptoStream.CopyTo(outputStream);
outputStream.Flush();
}
}
```
以上代码仅供参考,具体实现需要根据您的需求进行调整。