minio获取文件大小，并在下载时提供该值，前端video才能拖动视频进度条

web/src/main/java/com/ynfy/buss/course/usercoursecatalog/entity/UserCourseCatalog.java

@@ -35,24 +35,44 @@ public class UserCourseCatalog implements Serializable {
     @TableId(type = IdType.ASSIGN_ID)
     @ApiModelProperty(value = "主键")
     private String id;
+
     /**
-     * 所属部门
+     * 用户id
      */
-    @Excel(name = "所属部门", width = 15)
-    @ApiModelProperty(value = "所属部门")
+    @Excel(name = "用户id", width = 15)
+    @ApiModelProperty(value = "用户id")
     private String userId;
+
     /**
-     * 学时
+     * 任务id
      */
-    @Excel(name = "学时", width = 15)
-    @ApiModelProperty(value = "学时")
+    @Excel(name = "任务id", width = 15)
+    @ApiModelProperty(value = "任务id")
     private String courseCatalogId;
+
     /**
      * 已学时长
      */
     @Excel(name = "已学时长", width = 15)
     @ApiModelProperty(value = "已学时长")
-    private Integer alreadyLearnTime;
+    private Integer totalLearnTime;
+
+    /**
+     * 最新开始时间
+     */
+    @JsonFormat(timezone = "GMT+8", pattern = "yyyy-MM-dd HH:mm:ss")
+    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+    @ApiModelProperty(value = "最新开始时间")
+    private Date lastStartTime;
+
+    /**
+     * 最新结束时间
+     */
+    @JsonFormat(timezone = "GMT+8", pattern = "yyyy-MM-dd HH:mm:ss")
+    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+    @ApiModelProperty(value = "最新结束时间")
+    private Date lastEndTime;
+
     /**
      * 学习进度
      */