deserialize Integer[] support input single integer, for issue #2593

core/src/main/java/com/alibaba/fastjson2/reader/ObjectReaderImplInt32Array.java

@@ -84,6 +84,12 @@ public Object readObject(JSONReader jsonReader, Type fieldType, Object fieldName
             throw new JSONException(jsonReader.info("not support input " + str));
         }
 
+        if (jsonReader.isNumber()) {
+            return new Integer[]{
+                    jsonReader.readInt32()
+            };
+        }
+
         throw new JSONException(jsonReader.info("TODO"));
     }
 

core/src/main/java/com/alibaba/fastjson2/reader/ObjectReaderImplInt64Array.java

@@ -84,6 +84,12 @@ public Object readObject(JSONReader jsonReader, Type fieldType, Object fieldName
             throw new JSONException(jsonReader.info("not support input " + str));
         }
 
+        if (jsonReader.isNumber()) {
+            return new Long[]{
+                    jsonReader.readInt64()
+            };
+        }
+
         throw new JSONException(jsonReader.info("TODO"));
     }
 

core/src/test/java/com/alibaba/fastjson2/issues_2500/Issue2593.java

@@ -0,0 +1,38 @@
+package com.alibaba.fastjson2.issues_2500;
+
+import com.alibaba.fastjson2.JSON;
+import lombok.Data;
+import org.junit.jupiter.api.Test;
+
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class Issue2593 {
+    @Test
+    public void test() {
+        String str = "{\"test\":[{\"demo\": 1}]}";
+        Bean bean = JSON.parseObject(str, Bean.class);
+        List<Item> items = bean.getTest();
+        assertEquals(1, items.size());
+        assertEquals(1, items.get(0).demo.length);
+        assertEquals(1, items.get(0).demo[0]);
+    }
+
+    @Data
+    static class Bean {
+        List<Item> test;
+    }
+
+    @Data
+    static class Item {
+        private Integer[] demo;
+    }
+
+    @Test
+    public void test1() {
+        Long[] longs = JSON.parseObject("123", Long[].class);
+        assertEquals(1, longs.length);
+        assertEquals(123L, longs[0]);
+    }
+}