1. 变更表结构

src/main/java/com/supervision/police/domain/EvidenceFile.java

@@ -34,6 +34,11 @@ public class EvidenceFile implements Serializable {
      */
     private String fileId;
 
+    /**
+     * 顺序 升序排序
+     */
+    private int rank;
+
     /**
      * 目录id
      */

src/main/resources/mapper/EvidenceFileMapper.xml

@@ -8,6 +8,7 @@
             <id property="id" column="id" jdbcType="VARCHAR"/>
             <result property="evidenceId" column="evidence_id" jdbcType="VARCHAR"/>
             <result property="fileId" column="file_id" jdbcType="VARCHAR"/>
+            <result property="rank" column="rank" jdbcType="INTEGER"/>
             <result property="directoryId" column="directory_id" jdbcType="VARCHAR"/>
             <result property="createUserId" column="create_user_id" jdbcType="VARCHAR"/>
             <result property="createTime" column="create_time" jdbcType="TIMESTAMP"/>
@@ -16,7 +17,7 @@
     </resultMap>
 
     <sql id="Base_Column_List">
-        id,evidence_id,file_id,
+        id,evidence_id,file_id,rank,
         directory_id,create_user_id,create_time,
         update_user_id,update_time
     </sql>