springboot获取resources下static目录的位置

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.io.Resource;
import org.springframework.core.io.ResourceLoader;
import org.springframework.stereotype.Service;

import java.io.IOException;

@Service
public class StaticResourceService {

    @Autowired
    private ResourceLoader resourceLoader;

    public void getStaticResource() throws IOException {
        // 获取 static 目录下的资源
        Resource resource = resourceLoader.getResource("classpath:/static/somefile.txt");

        if (resource.exists()) {
            System.out.println("Resource exists at: " + resource.getURI());
        } else {
            System.out.println("Resource not found!");
        }
    }
}

import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;

import java.nio.file.Path;
import java.nio.file.Paths;

@Service
public class StaticResourceService {

    @Value("${spring.resources.static-locations}")
    private String staticLocations;

    public void getStaticPath() {
        // 获取静态资源的绝对路径
        Path path = Paths.get(staticLocations + "/somefile.txt");
        System.out.println("Static file path: " + path.toString());
    }
}

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import javax.servlet.ServletContext;

@Service
public class StaticResourceService {

    @Autowired
    private ServletContext servletContext;

    public void getStaticPath() {
        // 获取 static 目录的物理路径
        String staticPath = servletContext.getRealPath("/static");
        System.out.println("Static directory path: " + staticPath);
    }
}