feat(class): 添加班级状态排除查询功能

web-infrastructure/src/main/resources/mapper/study/ClassMapper.xml

@@ -256,6 +256,9 @@
                     and c.state = 2 and c.end_time <= now()
                 </if>
             </if>
+            <if test="params.neState != null">
+                and c.state != #{params.neState}
+            </if>
         </where>
         order by
         c.state,