<dependency>
	<groupId>com.geetask</groupId>
	<artifactId>chunked-uploader</artifactId>
	<version>1.0.2</version>
	<!--exclusions>
		<exclusion>
			<groupId>org.slf4j</groupId>
			<artifactId>slf4j-api</artifactId>
		</exclusion>
		<exclusion>
			<groupId>org.slf4j</groupId>
			<artifactId>slf4j-log4j12</artifactId>
		</exclusion>
		<exclusion>
			<groupId>javax.servlet</groupId>
			<artifactId>javax.servlet-api</artifactId>
		</exclusion>
	</exclusions-->
</dependency>

	@Bean
	public AbstractStorage storage() {
		return new FileStorage();
	}

//当前页面，生成时间戳
int timestamp = Math.round(new Date().getTime()/1000);
//每次发送文件的时候，获取上传的初始化参数
WebUploader.Uploader.register({'before-send-file':'initUpload'},{
	initUpload:function(file) {
		var deferred = $.ajax({
			method:'post',
			url:'/init',
			dataType:'json',
			data: {
				name: file.name,
				type: file.type,
				timestamp: timestamp
			}
		}).then(function(res){
			console.log(res);
			file.uploadId = res.uploadId
			file.key = res.key
		});
		return deferred.promise();
	}
});

@Controller
public class UploaderController {
	@Autowired
	private AbstractStorage storage;
	@PostMapping("/init")
	@ResponseBody
	public InitResponse initUpload(HttpServletRequest request, HttpServletResponse response) {
		return storage.initUpload("test", request, response);
	}
}

{
	"uploadId":"370af9d2-c565-4b8e-9fa4-186d150affab",
	"key":"uploader\\test\\905cd7faa06cee41e0deb1a0502a868c.jpg"
}

// 每个分片 发送之前
// 很重要, 配合最开始注册的 promise . 'before-send-file':'initUpload'
uploader.on('uploadBeforeSend',function(block,data,headers){
	data.uploadId = block.file.uploadId;
	data.key = block.file.key;
});

@Controller
public class UploaderController {
	@Autowired
	private AbstractStorage storage;
	@PostMapping("/uploader")
	@ResponseBody
	public ChunkResponse handle(@RequestParam("file") MultipartFile file, HttpServletRequest request, HttpServletResponse response) throws IOException {
		return storage.upload(file.getInputStream(),file.getSize(),request, response);;
	}
}

{
	"key":"uploader\\test\\905cd7faa06cee41e0deb1a0502a868c.jpg",
	"uploadId":"370af9d2-c565-4b8e-9fa4-186d150affab",
	"completed":false //表示还没完成此文件所有的分片上传
}


{
	"key":"uploader\\test\\905cd7faa06cee41e0deb1a0502a868c.jpg",
	"uploadId":"370af9d2-c565-4b8e-9fa4-186d150affab",
	"completed":true //表示已完成此文件所有的分片上传
}