<dependency>
			<groupId>org.apache.commons</groupId>
			<artifactId>commons-lang3</artifactId>
			<version>3.10</version>
		</dependency>
		<dependency>
			<groupId>commons-io</groupId>
			<artifactId>commons-io</artifactId>
			<version>2.5</version>
		</dependency>
		
        <!--Test-->
		<dependency>
			<groupId>org.junit.jupiter</groupId>
			<artifactId>junit-jupiter-api</artifactId>
			<version>5.5.2</version>
			<scope>test</scope>
		</dependency>

import java.io.File;
import java.util.List;
import java.util.stream.Collectors;

import org.apache.commons.io.FileUtils;
import org.apache.commons.lang3.RegExUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.time.DateFormatUtils;
import org.junit.jupiter.api.Test;

import lombok.extern.slf4j.Slf4j;

@Slf4j
public class FileTest
{
    /**
     * 中文正則
     */
    private String REGEX_CHINESE = "[\u4e00-\u9fa5]";
    
    /**
     * 移除中文文件名
     */
    @Test
    public void removeChineseTest()
    {
        File dir = new File("E:\\test");
        List<File> files = FileUtils.listFiles(dir, null, true).stream().filter(f -> f.isFile()).collect(Collectors.toList());
        files.stream().forEach(file -> {
            String srcName = file.getName();
            String destName = RegExUtils.removePattern(srcName, REGEX_CHINESE);
            if (!StringUtils.equals(srcName, destName))
            {
                // 處理全中文和無后綴文件
                if (StringUtils.startsWith(destName, ".") || StringUtils.isBlank(destName))
                {
                    destName = DateFormatUtils.format(System.currentTimeMillis(), "yyyyMMdd") + destName;
                }
                
                // 文件前后綴
                String prefix = StringUtils.substringBeforeLast(destName, ".");
                String suffix = StringUtils.substring(destName, prefix.length());
                
                // 處理重名
                int index = 1;
                File destFile = new File(file.getParent() + File.separator + destName);
                while (destFile.exists())
                {
                    destName = String.format("%s_%s%s", prefix, index++, suffix);
                    destFile = new File(file.getParent() + File.separator + destName);
                }
                Boolean result = file.renameTo(destFile);
                log.info("{} ---> {}, ====== result: {}", file.getAbsolutePath(), destFile.getAbsolutePath(), result);
            }
        });
    }
}