webuploader分片上传

1、webuploader是百度研发的上传组件，文档不是特别规整，但是也够用了。 2、前端使用官网的上传图片demo，在此基础上代码略微调整做分片。既可以上传图片也可以上传文件。文件超过分片大小才启用分片。 3、分片上传已做md5校验，达到秒传的效果。分片以后需要合并，可以先分片后合并，也可以边分片边合并，本示例采用的是边分片边合并的方案。 4、后端用springboot做框架搭建。springMVC做rest服务，开启跨域访问。 5、容器用springboot内置的tomcat插件，运行Application的main方法即可启动服务； 显示效果

package com.bear;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class Application {

	public static void main（String[] args） {
		SpringApplication.run（Application.class args）;
	}
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件       2369  2017-12-11 17:30  bear-webuploader\bear-webuploader\pom.xml

     文件        298  2017-12-11 18:00  bear-webuploader\bear-webuploader\src\main\java\com\bear\Application.java

     文件       2520  2017-12-11 18:18  bear-webuploader\bear-webuploader\src\main\java\com\bear\config\SpringMVCConfig.java

     文件       1498  2017-12-11 17:11  bear-webuploader\bear-webuploader\src\main\java\com\bear\upload\controller\FileController.java

     文件       4711  2017-12-11 17:25  bear-webuploader\bear-webuploader\src\main\java\com\bear\upload\service\ChunkUploadService.java

     文件       3691  2017-12-11 17:10  bear-webuploader\bear-webuploader\src\main\java\com\bear\upload\util\FileUtil.java

     文件        920  2017-12-11 17:07  bear-webuploader\bear-webuploader\src\main\java\com\bear\upload\util\RETURN.java

     文件       1273  2017-12-11 17:06  bear-webuploader\bear-webuploader\src\main\java\com\bear\upload\vo\CheckMd5FileVO.java

     文件       2038  2017-12-11 17:06  bear-webuploader\bear-webuploader\src\main\java\com\bear\upload\vo\UploadVO.java

     文件        128  2017-12-11 18:07  bear-webuploader\bear-webuploader\src\main\resources\application.properties

     文件         46  2017-12-01 10:31  bear-webuploader\bear-webuploader\src\main\resources\meta-INF\spring-devtools.properties

     文件        661  2017-12-01 10:04  bear-webuploader\bear-webuploader\src\main\webapp\.project

     文件        269  2017-12-11 17:18  bear-webuploader\bear-webuploader\src\main\webapp\index.html

     文件       1601  2017-12-11 17:14  bear-webuploader\bear-webuploader-web\.project

     文件       8961  2017-11-24 16:23  bear-webuploader\bear-webuploader-web\css\style.css

     文件       2851  2017-11-23 11:18  bear-webuploader\bear-webuploader-web\images\bg.png

     文件        756  2017-11-23 11:18  bear-webuploader\bear-webuploader-web\images\expressInstall.swf

     文件       2678  2017-11-23 11:18  bear-webuploader\bear-webuploader-web\images\icons.png

     文件      38456  2017-11-23 11:18  bear-webuploader\bear-webuploader-web\images\icons.psd

     文件       1672  2017-11-23 11:18  bear-webuploader\bear-webuploader-web\images\image.png

     文件       1269  2017-11-23 11:18  bear-webuploader\bear-webuploader-web\images\progress.png

     文件      25941  2017-11-23 11:18  bear-webuploader\bear-webuploader-web\images\progress.psd

     文件       1621  2017-11-23 11:18  bear-webuploader\bear-webuploader-web\images\success.png

     文件       2209  2017-12-11 18:21  bear-webuploader\bear-webuploader-web\index.html

     文件      92593  2017-11-23 11:18  bear-webuploader\bear-webuploader-web\js\jquery.js

     文件      17032  2017-12-11 17:54  bear-webuploader\bear-webuploader-web\js\upload.js

     文件     143099  2017-11-23 11:18  bear-webuploader\bear-webuploader-web\plugins\webuploader\Uploader.swf

     文件        747  2017-11-23 11:18  bear-webuploader\bear-webuploader-web\plugins\webuploader\webuploader.css

     文件     280424  2017-11-23 11:18  bear-webuploader\bear-webuploader-web\plugins\webuploader\webuploader.js

     目录          0  2017-12-11 18:23  bear-webuploader\bear-webuploader\src\main\java\com\bear\upload\controller

............此处省略27个文件信息