add Feature.NonStringKeyAsString, for issue #1633

src/main/java/com/alibaba/fastjson/parser/Feature.java

@@ -125,7 +125,12 @@ public enum Feature {
     /**
      * @since 1.2.41, backport to 1.1.66.android
      */
-    SupportAutoType
+    SupportAutoType,
+
+    /**
+     * @since 1.2.42
+     */
+    NonStringKeyAsString
     ;
 
     Feature(){

src/test/java/com/alibaba/json/bvt/issue_1600/Issue1633.java

@@ -0,0 +1,20 @@
+package com.alibaba.json.bvt.issue_1600;
+
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.JSONObject;
+import com.alibaba.fastjson.parser.Feature;
+import junit.framework.TestCase;
+
+public class Issue1633 extends TestCase {
+    public void test_for_issue_int() throws Exception {
+        String text = "{123:\"abc\"}";
+        JSONObject obj = JSON.parseObject(text, Feature.NonStringKeyAsString);
+        assertEquals("abc", obj.getString("123"));
+    }
+
+    public void test_for_issue_bool() throws Exception {
+        String text = "{false:\"abc\"}";
+        JSONObject obj = JSON.parseObject(text, Feature.NonStringKeyAsString);
+        assertEquals("abc", obj.getString("false"));
+    }
+}