@ApiImplicitParam(name = "file", value = "文件流", dataType = "__file", paramType = "form"),
之前版本
@ApiImplicitParam(name = "file", value = "文件流", dataType = "file", paramType = "form"),
swagger2.9.1 file不显示问题
原文：https://www.cnblogs.com/51ma/p/11850566.html
