springboot找不到resources下资源 解决springboot项目找不到resources目录下的资源问题

ClassPathResource classPathResource = new ClassPathResource(filePath);
InputStream inputStream = classPathResource.getInputStream();

import java.io.File;
import java.io.InputStream; 
import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;
import org.springframework.core.io.ClassPathResource; 
 
public class FileUtil { 
    public File getResourceFile(String filePath) throws Exception{
 
        try {
            ClassPathResource classPathResource = new ClassPathResource(filePath);
 
            InputStream inputStream = classPathResource.getInputStream();
            //生成目标文件
            File somethingFile = File.createTempFile("DailyReportTemplate", ".xls");
            try {
                FileUtils.copyInputStreamToFile(inputStream, somethingFile);
            } finally {
                IOUtils.closeQuietly(inputStream);
            }
 
            return somethingFile;
        } catch (Exception e) {
            throw new Exception(e);
        }
    } 
}

#路径中注意首尾不要有空格
service.config-root=static/service/
service.config-name=AppConfig.json

@Value("${service.config-root}")
private String configRoot; 
@Value("${service.config-name}")
private String configName;
 
.....省略无关code..... 
 
public String getPath(){
    String configPath = this.configRoot + this.configName;
    return configPath;
}

#路径中注意首尾不要有空格
service.config-root=static\\tileservice\\
service.config-name=AppConfig.json

service.config-root=static
service.config-name=AppConfig.json
@Value("${service.config-root}")
private String configRoot; 
@Value("${service.config-name}")
private String configName;
 
.....省略无关code.....
 
 public static <T> T readJsonFromClassPath(Type type) throws IOException {
        //这里使用File.spearator拼接
        ClassPathResource resource = new ClassPathResource(this.configRoot + File.spearator  + this.configName);
        if (resource.exists()) {
            return JSON.parseObject(resource.getInputStream(), StandardCharsets.UTF_8, type, .....
        }
    }