排序空指针问题处理

src/main/java/com/zzsn/event/es/EsService.java

@@ -1239,27 +1239,31 @@ public class EsService {
         SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder();
         String column = searchCondition.getColumn();
         String order = searchCondition.getOrder();
-        switch (column) {
-            case "topNum":
-                searchSourceBuilder.sort("topNum", SortOrder.DESC);
-                break;
-            case "score":
-                if (order.equals("asc")) {
-                    searchSourceBuilder.sort("score", SortOrder.ASC);
-                } else if (order.equals("desc")) {
-                    searchSourceBuilder.sort("score", SortOrder.DESC);
-                }
-                break;
-            case "publishDate":
-                if (order.equals("desc")) {
+        if (StringUtils.isEmpty(column)) {
+            searchSourceBuilder.sort("publishDate", SortOrder.DESC);
+        } else {
+            switch (column) {
+                case "topNum":
+                    searchSourceBuilder.sort("topNum", SortOrder.DESC);
+                    break;
+                case "score":
+                    if (order.equals("asc")) {
+                        searchSourceBuilder.sort("score", SortOrder.ASC);
+                    } else if (order.equals("desc")) {
+                        searchSourceBuilder.sort("score", SortOrder.DESC);
+                    }
+                    break;
+                case "publishDate":
+                    if (order.equals("desc")) {
+                        searchSourceBuilder.sort("publishDate", SortOrder.DESC);
+                    } else if (order.equals("asc")) {
+                        searchSourceBuilder.sort("publishDate", SortOrder.ASC);
+                    }
+                    break;
+                default:
                     searchSourceBuilder.sort("publishDate", SortOrder.DESC);
-                } else if (order.equals("asc")) {
-                    searchSourceBuilder.sort("publishDate", SortOrder.ASC);
-                }
-                break;
-            default:
-                searchSourceBuilder.sort("publishDate", SortOrder.DESC);
-                break;
+                    break;
+            }
         }
         String[] fetchFields = searchCondition.getFetchFields();
         if (fetchFields != null && fetchFields.length > 0) {