政策表添加政策分类（可分为人才引进、人才培养、人才激励等类别）

ruoyi-bussiness/src/main/resources/mapper/policy/PolicyInfoMapper.xml

@@ -57,6 +57,9 @@
             <if test="query.status != null">
                 and (status IS NULL or status = #{query.status})
             </if>
+            <if test="query.policyCategory != null">
+                and policy_category = #{query.policyCategory}
+            </if>
         </where>
         order by publish_time desc, create_time desc
     </select>