开始轮询状态：URL: https://cswconvert-test.zmlearn.com/youke/csw/batchQueryProcessState
开始上传：中台URL: https://cswconvert-test.zmlearn.com/youke/csw/sellerUploadhttps://cswconvert-test.zmlearn.com/youke/csw/teacherUpload获取到hash
返回值
维护上传列表
点击上传
{\"code\":\"0\
获取 Input 文件设置fileFormData
成功或失败
