Merge pull request #7469 from dataease/pr@dev-v2@fixDatasource

fix:【数据源】-本地Excel文件创建的数据源数据预览为空

core/core-backend/src/main/java/io/dataease/datasource/provider/ExcelUtils.java

@@ -297,25 +297,19 @@ public class ExcelUtils {
     }
 
     private String cellType(String value) {
+        if(value.length()> 19){
+            return "TEXT";
+        }
         try {
-            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+            Double d = Double.valueOf(value);
-            sdf.parse(value);
+            double eps = 1e-10;
-            return "DATETIME";
+            if (d - Math.floor(d) < eps) {
-        } catch (Exception e1) {
+                return "LONG";
-            if(value.length()> 19){
+            } else {
-                return "TEXT";
+                return "DOUBLE";
-            }
-            try {
-                Double d = Double.valueOf(value);
-                double eps = 1e-10;
-                if (d - Math.floor(d) < eps) {
-                    return "LONG";
-                } else {
-                    return "DOUBLE";
-                }
-            } catch (Exception e2) {
-                return "TEXT";
             }
+        } catch (Exception e2) {
+            return "TEXT";
         }
     }