SpringBoot获取resources目录下的文件

String path = "src/main/resources/file/myBlog.txt";

@Test
public void readFileByPath() throws IOException
{
    String path = "src/main/resources/file/myBlog.txt";
    File file = new File(path);
 
    if (file.exists())
    {
        try (BufferedReader reader = new BufferedReader(new FileReader(file)))
        {
            String line;
            while ((line = reader.readLine()) != null)
            {
                System.out.println(line);
            }
        }
    } else
    {
        System.out.println("未找到文件！");
    }
}

@Autowired
private ApplicationContext applicationContext;
 
@Test
public void readResourceFile() throws IOException
{
    Resource resource = applicationContext.getResource("classpath:/file/myBlog.txt");
    InputStream inputStream = resource.getInputStream();
 
    if (inputStream != null) {
        try (BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream))) {
            String line;
            while ((line = reader.readLine()) != null) {
                System.out.println(line);
            }
        }
    } else {
        System.out.println("File not found");
    }
}

@Autowired
private ResourceLoader resourceLoader;
 
@Test
public void readFileByResourceLoader() throws IOException
{
    Resource resource = resourceLoader.getResource("classpath:/file/myBlog.txt");
    if (resource.exists())
    {
        Path path = Paths.get(resource.getURI());
        String content = new String(Files.readAllBytes(path));
        System.out.println(content);
    } else
    {
        System.out.println("未找到文件！");
    }
}

@Test
public void readFileByClassLoader() throws IOException
{
    ClassLoader classLoader = getClass().getClassLoader();
    InputStream inputStream = classLoader.getResourceAsStream("file/myBlog.txt");
 
    if (inputStream != null)
    {
        try (BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream)))
        {
            String line;
            while ((line = reader.readLine()) != null)
            {
                System.out.println(line);
            }
        }
    } else
    {
        System.out.println("未找到文件！");
    }
}

@Test
public void readFileByResourcePattern() throws IOException
{
    PathMatchingResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();
    Resource resource = resolver.getResource("classpath:/file/myBlog.txt");
    if (resource.exists())
    {
        Path path = resource.getFile().toPath();
        String content = new String(Files.readAllBytes(path));
        System.out.println(content);
    } else
    {
        System.out.println("未找到文件！");
    }
}