批量转换GBK到UTF-8的Java代码示例-优快云博客

本文提供了一个使用Java实现的批量将GBK编码文件转换为UTF-8编码的简单示例，包括读取指定目录下所有.java文件、识别文件编码并进行转换的过程。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

import java.io.IOException;  

02 import java.nio.file.FileSystems;  

03 import java.nio.file.FileVisitResult;  

04 import java.nio.file.Files;  

05 import java.nio.file.Path;  

06 import java.nio.file.PathMatcher;  

07 import java.nio.file.Paths;  

08 import java.nio.file.SimpleFileVisitor;  

09 import java.nio.file.attribute.BasicFileAttributes;  

10    

11 public class ChangeGBK2UTF {  

12    

13     /**  

14      * @param args  

15      * @throws IOException   

16      */ 

17     public static void main(String[] args) throws IOException {  

18         Path path = Paths.get("C:/src");  

19         String pattern = "**/*.java";  

20         final PathMatcher matcher = FileSystems.getDefault().getPathMatcher(  

21                 "glob:" + pattern);  

22         SimpleFileVisitor<Path> visitor = new SimpleFileVisitor<Path>() {  

23             @Override 

24             public FileVisitResult visitFile(Path file,  

25                     BasicFileAttributes attrs) {  

26                 if (matcher.matches(file)) {  

27                     System.out.println("to process " + file);  

28                     try {  

29                         byte[] bytes = Files.readAllBytes(file);  

30                         String gbkContent = new String(bytes, "gb18030");  

31    

32                         Files.write(file, gbkContent.getBytes("UTF-8"));  

33                     } catch (IOException e) {  

34                         // TODO Auto-generated catch block  

35                         e.printStackTrace();  

36                     }  

37                 }  

38                 return FileVisitResult.CONTINUE;  

39             }  

40         };  

41         Files.walkFileTree(path, visitor);  

42     }  

43 }

gbk -> utf-8