java 使用7z压缩文件夹
时间: 2023-08-08 13:09:57 浏览: 195
Java中可以使用第三方库来压缩和解压缩7z文件,其中比较常用的是`SevenZipJBinding`。下面是一个使用`SevenZipJBinding`压缩文件夹的示例代码:
```java
import java.io.*;
import SevenZip.*;
public class SevenZipDemo {
public static void main(String[] args) {
String sourceFolder = "path/to/source/folder";
String targetFile = "path/to/target/file.7z";
SevenZipCompressor compressor = new SevenZipCompressor();
compressor.setCompressionLevel(SevenZip.CompressionLevel.NORMAL);
try {
compressor.compress(new File(sourceFolder), new File(targetFile));
} catch (Exception e) {
e.printStackTrace();
}
}
}
```
这个示例代码中,`sourceFolder`是要压缩的文件夹路径,`targetFile`是压缩后的文件路径,`SevenZipCompressor`是`SevenZipJBinding`提供的压缩器对象,`setCompressionLevel`方法可以设置压缩级别,然后调用`compress`方法进行压缩。
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