fix support FieldBased feature on field for issue #2350

codegen/src/main/java/com/alibaba/fastjson2/internal/processor/CodeGenUtils.java

@@ -326,6 +326,9 @@ public static void getFieldInfo(FieldInfo fieldInfo, JSONField jsonField, boolea
 
         for (JSONReader.Feature feature : jsonField.deserializeFeatures()) {
             fieldInfo.features |= feature.mask;
+            if (fieldInfo.ignore && feature == JSONReader.Feature.FieldBased) {
+                fieldInfo.ignore = false;
+            }
         }
 
         int ordinal = jsonField.ordinal();

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

@@ -1200,6 +1200,9 @@ private void getFieldInfo(FieldInfo fieldInfo, JSONField jsonField) {
 
             for (JSONReader.Feature feature : jsonField.deserializeFeatures()) {
                 fieldInfo.features |= feature.mask;
+                if (fieldInfo.ignore && feature == JSONReader.Feature.FieldBased) {
+                    fieldInfo.ignore = false;
+                }
             }
 
             int ordinal = jsonField.ordinal();

core/src/test/java/com/alibaba/fastjson2/issues_2300/Issue2350.java

@@ -0,0 +1,36 @@
+package com.alibaba.fastjson2.issues_2300;
+
+import com.alibaba.fastjson2.JSON;
+import com.alibaba.fastjson2.JSONReader;
+import com.alibaba.fastjson2.annotation.JSONField;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNull;
+
+public class Issue2350 {
+
+    @Test
+    public void test() {
+        String json = "{\n" +
+                "\t\"testField\": \"My Test\",\n" +
+                "\t\"testField2\": \"My Test2\"\n" +
+                "}";
+        TestClass testClass = JSON.parseObject(json, TestClass.class);
+        assertEquals("My Test", testClass.getTestField());
+        assertNull(testClass.getTestField2());
+    }
+
+    public static class TestClass {
+        @JSONField(deserializeFeatures = { JSONReader.Feature.FieldBased })
+        private String testField;
+        private String testField2;
+
+        public String getTestField() {
+            return testField;
+        }
+        public String getTestField2() {
+            return testField2;
+        }
+    }
+}