使用resteasy 3.0.8和spring boot 1.2.6实现分块上传

<dependency>
    <groupId>org.jboss.resteasy</groupId>
    <artifactId>resteasy-jaxrs</artifactId>
    <version>3.0.8.Final</version>
</dependency>

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-web</artifactId>
    <version>1.2.6.RELEASE</version>
</dependency>

@RestController
public class FileUploadController {

    @RequestMapping(value = "/upload", method = RequestMethod.POST)
    public String uploadFileChunk(@RequestParam("file") MultipartFile file,
                                  @RequestParam("chunkNumber") int chunkNumber,
                                  @RequestParam("totalChunks") int totalChunks) {
        // 处理文件块的上传逻辑
        // ...
        return "success";
    }
}

ResteasyClient client = new ResteasyClientBuilder().build();
ResteasyWebTarget target = client.target("http://localhost:8080/upload");

for (int chunkNumber = 1; chunkNumber <= totalChunks; chunkNumber++) {
    byte[] chunkData = // 从文件中读取当前块的数据
    MultipartFormDataOutput formData = new MultipartFormDataOutput();
    formData.addFormData("file", new ByteArrayInputStream(chunkData), MediaType.APPLICATION_OCTET_STREAM_TYPE);
    formData.addFormData("chunkNumber", chunkNumber, MediaType.TEXT_PLAIN_TYPE);
    formData.addFormData("totalChunks", totalChunks, MediaType.TEXT_PLAIN_TYPE);

    Response response = target.request().post(Entity.entity(formData, MediaType.MULTIPART_FORM_DATA_TYPE));
    // 处理服务器端的响应
    // ...
}