修改中移接口，项目被删除后查询的是最新创建的项目

src/main/java/cn/chnmuseum/party/web/controller/ChinaMobileRestApiController.java

@@ -408,6 +408,13 @@ public class ChinaMobileRestApiController extends BaseController {
     @RequiresAuthentication  //@RequiresPermissions("exhibition:board:page")
     @ApiOperation(value = "总展板列表查询", notes = "总展板列表查询")
     public Map<String, Object> getExhibitionBoardPageList(@RequestParam(value = "learningProjectId", required = false) String learningProjectId) {
+        // 要求如果展板被删除，返回最新创建的展板
+        LearningProject project = this.learningProjectService.getById(learningProjectId);
+        if (project == null) {
+            LambdaQueryWrapper<LearningProject> last = Wrappers.<LearningProject>lambdaQuery().orderByDesc(LearningProject::getCreateTime).last("LIMIT 1");
+            LearningProject one = this.learningProjectService.getOne(last);
+            learningProjectId = one.getId();
+        }
         //中移要求，如果翻页参数超出数据总数，返回第一页
         Page<ExhibitionBoard> page1 = getPage();
         long l = page1.getCurrent() * page1.getSize()-10;
@@ -415,6 +422,7 @@ public class ChinaMobileRestApiController extends BaseController {
         if (l>size){
             page1 = new Page<>(1, 10);
         }
+
         final IPage<ExhibitionBoard> page = this.learningContentBoardService.getBoardPageByLearningProjectId(page1, learningProjectId, null);
         for (ExhibitionBoard exhibitionBoard : page.getRecords()) {
             exhibitionBoard.setLearningProjectId(learningProjectId);