@RequestPart的Junit测试

@RunWith(SpringRunner.class)
@WebMvcTest(YourController.class)
public class YourControllerTest {

    @Autowired
    private MockMvc mockMvc;

    @Test
    public void testUploadFile() throws Exception {
        MockMultipartFile file = new MockMultipartFile("file", "test.txt", "text/plain", "Hello, World!".getBytes());

        mockMvc.perform(MockMvcRequestBuilders.multipart("/upload")
                .file(file)
                .param("name", "John Doe"))
                .andExpect(status().isOk())
                .andExpect(content().string("File uploaded successfully"));
    }
}