需求描述：

        1，需要从某个目录以某种正则表达式匹配到所有文件

        2，将这些文件批量上传

        3，上传完成后需要返回上传的地址

1，引入依赖

<!-- 测试 --><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId><version>2.6.3</version><scope>test</scope></dependency><dependency><groupId>junit</groupId><artifactId>junit</artifactId><scope>test</scope></dependency><dependency><groupId>org.mockito</groupId><artifactId>mockito-core</artifactId><scope>test</scope></dependency><dependency><groupId>org.springframework.security</groupId><artifactId>spring-security-test</artifactId><scope>test</scope></dependency>

2，编写单元测试类

import com.pj.SpServerApplication;
import lombok.extern.slf4j.Slf4j;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.mock.web.MockMultipartFile;
import org.springframework.test.context.ActiveProfiles;
import org.springframework.test.context.junit4.SpringRunner;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.MvcResult;
import org.springframework.test.web.servlet.ResultActions;
import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
import org.springframework.test.web.servlet.result.MockMvcResultHandlers;
import org.springframework.test.web.servlet.result.MockMvcResultMatchers;
import org.springframework.test.web.servlet.setup.MockMvcBuilders;
import org.springframework.web.context.WebApplicationContext;
import java.io.File;
import java.io.FileInputStream;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.regex.Pattern;@ActiveProfiles("dev")
@RunWith(SpringRunner.class)
@SpringBootTest(classes = SpServerApplication.class)
@Slf4j
public class UploadControllerTest{@Autowiredprivate WebApplicationContext webApplicationContext;public MockMvc mockMvc;private static final String FILE_ROOT = "D:\\documents\\YMS\\2023-02-23 19.04.46 Y