1

src/main/java/com/sztzjy/resource_center/controller/CourseTagManageController.java

@@ -153,10 +153,9 @@ public class CourseTagManageController {
     @AnonymousAccess
     @ApiOperation("二级目录重新排序")
     @PostMapping("setTwoCatalogueRank")
-    public ResultEntity setTwoCatalogueRank(@ApiParam("需要一级ID，二级ID和sort")@RequestBody List<SysTwoCatalog> sysTwoCatalogs) {
+    public ResultEntity setTwoCatalogueRank(@ApiParam("一级ID（可为空），二级ID和sort必传")@RequestBody List<SysTwoCatalog> sysTwoCatalogs) {
         for (SysTwoCatalog sysTwoCatalog : sysTwoCatalogs) {
-            if (StringUtils.isBlank(sysTwoCatalog.getOneId())
+            if (StringUtils.isBlank(sysTwoCatalog.getTwoId())
-                    || StringUtils.isBlank(sysTwoCatalog.getTwoId())
                     || sysTwoCatalog.getSort() == null) {
                 return new ResultEntity<>(HttpStatus.BAD_REQUEST, "更新失败，缺少必须的数据！");
             }
@@ -169,13 +168,13 @@ public class CourseTagManageController {
     @AnonymousAccess
     @ApiOperation("三级目录重新排序")
     @PostMapping("setThreeCatalogueRank")
-    public ResultEntity setThreeCatalogueRank(@ApiParam("需要一级，二级，三级ID和sort")@RequestBody List<SysOneCatalog> sysOneCatalogs) {
+    public ResultEntity setThreeCatalogueRank(@ApiParam("需要一级（可为空）二级（可为空），三级ID和sort必传")@RequestBody List<SysThreeCatalog> sysThreeCatalogs) {
-        for (SysOneCatalog sysOneCatalog : sysOneCatalogs) {
+        for (SysThreeCatalog sysThreeCatalog : sysThreeCatalogs) {
-            if (StringUtils.isBlank(sysOneCatalog.getOneId()) || sysOneCatalog.getSort() == null) {
+            if (StringUtils.isBlank(sysThreeCatalog.getThreeId()) || sysThreeCatalog.getSort() == null) {
                 return new ResultEntity<>(HttpStatus.BAD_REQUEST, "更新失败，缺少必须的数据！");
             }
         }
-        sysOneCatalogMapper.updateByBatch(sysOneCatalogs);
+        sysThreeCatalogMapper.updateByBatch(sysThreeCatalogs);
         return null;
     }
 

src/main/java/com/sztzjy/resource_center/mapper/SysThreeCatalogMapper.java

@@ -34,4 +34,6 @@ public interface SysThreeCatalogMapper {
 
     @Select("select three_id,three_name from sys_three_catalog where ont_id = #{oneId} and two_id =#{twoId} order by sort ASC")
     List<Map<String, String>> getAllThreeCatalogList(@Param("oneId")String oneId, @Param("twoId")String twoId);
+
+    void updateByBatch(@Param("sysThreeCatalogs") List<SysThreeCatalog> sysThreeCatalogs);
 }

src/main/resources/mapper/SysThreeCatalogMapper.xml

@@ -240,4 +240,57 @@
       create_time = #{createTime,jdbcType=TIMESTAMP}
     where three_id = #{threeId,jdbcType=VARCHAR}
   </update>
+
+
+  <update id="updateByBatch" parameterType="java.util.List">
+    UPDATE sys_three_catalog
+    <set>
+      <!-- 更新 ont_id 字段 -->
+      <foreach collection="sysThreeCatalogs" item="item" separator=",">
+        <if test="item.ontId != null and item.ontId != ''">
+          ont_id = CASE
+          <foreach collection="sysThreeCatalogs" item="innerItem" separator=" ">
+            <if test="innerItem.twoId != null and innerItem.ontId != null and innerItem.threeId == item.threeId">
+              WHEN three_id = #{innerItem.threeId} THEN #{innerItem.ontId}
+            </if>
+          </foreach>
+          ELSE ont_id
+          END,
+        </if>
+      </foreach>
+
+      <!-- 更新 two_id 字段 -->
+      <foreach collection="sysThreeCatalogs" item="item" separator=",">
+        <if test="item.twoId != null and item.twoId != ''">
+          two_id = CASE
+          <foreach collection="sysThreeCatalogs" item="innerItem" separator=" ">
+            <if test="innerItem.twoId != null and innerItem.ontId != null and innerItem.threeId == item.threeId">
+              WHEN three_id = #{innerItem.threeId} THEN #{innerItem.twoId}
+            </if>
+          </foreach>
+          ELSE two_id
+          END,
+        </if>
+      </foreach>
+
+      <!-- 更新 sort 字段 -->
+      <foreach collection="sysThreeCatalogs" item="item" separator=",">
+        <if test="item.sort != null">
+          sort = CASE
+          <foreach collection="sysThreeCatalogs" item="innerItem" separator=" ">
+            <if test="innerItem.twoId != null and innerItem.sort != null and innerItem.threeId == item.threeId">
+              WHEN three_id = #{innerItem.threeId} THEN #{innerItem.sort}
+            </if>
+          </foreach>
+          ELSE sort
+          END
+        </if>
+      </foreach>
+    </set>
+    WHERE three_id IN
+    <foreach collection="sysThreeCatalogs" item="item" open="(" close=")" separator=",">
+      #{item.threeId}
+    </foreach>
+  </update>
+
 </mapper>

src/main/resources/mapper/SysTwoCatalogMapper.xml

@@ -226,24 +226,35 @@
     where two_id = #{twoId,jdbcType=VARCHAR}
   </update>
 
-  <!-- 批量更新方法 -->
+    <!-- 批量更新方法 -->
-  <update id="updateByBatch" parameterType="java.util.List">
+    <update id="updateByBatch" parameterType="java.util.List">
-    UPDATE sys_two_catalog
+      UPDATE sys_two_catalog
-    <set>
+      <set>
-      <foreach collection="sysTwoCatalogs" item="item" separator=",">
+        <foreach collection="sysTwoCatalogs" item="item" separator=",">
-        sort = CASE
+          <if test="item.oneId != null and item.oneId != ''" >
-        <foreach collection="sysTwoCatalogs" item="item" separator=" ">
+          one_id = CASE
-          <if test="item.oneId != null and item.sort != null">
+          <foreach collection="sysTwoCatalogs" item="item" separator=" ">
-            WHEN one_id = #{item.oneId} THEN #{item.sort}
+            <if test="item.twoId != null and item.oneId != null">
+              WHEN two_id = #{item.twoId} THEN #{item.oneId}
+            </if>
+          </foreach>
+          ELSE one_id  -- 可选项，用于处理未在 list 中的 twoId
+          END,
           </if>
+          sort = CASE
+          <foreach collection="sysTwoCatalogs" item="item" separator=" ">
+            <if test="item.twoId != null and item.sort != null">
+              WHEN two_id = #{item.twoId} THEN #{item.sort}
+            </if>
+          </foreach>
+          ELSE sort  -- 可选项，用于处理未在 list 中的 twoId
+          END
         </foreach>
-        ELSE sort  -- 可选项，用于处理未在 list 中的 oneId
+      </set>
-        END
+      WHERE two_id IN
+      <foreach collection="sysTwoCatalogs" item="item" open="(" close=")" separator=",">
+        #{item.twoId}
       </foreach>
-    </set>
+    </update>
-    WHERE one_id IN
+
-    <foreach collection="sysTwoCatalogs" item="item" open="(" close=")" separator=",">
-      #{item.oneId}
-    </foreach>
-  </update>
 </mapper>