improved fastjson 1.x compatible, for issues alibaba#1291

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

@@ -174,7 +174,7 @@ public Object readObject(JSONReader jsonReader, Type fieldType, Object fieldName
                 list.add(
                         jsonReader.readString());
             }
-        } else if (ch == '"' || ch == '\'') {
+        } else if (ch == '"' || ch == '\'' || ch == '{') {
             String str = jsonReader.readString();
             list.add(str);
         } else {

core/src/test/java/com/alibaba/fastjson2/issues_1000/Issue1291.java

@@ -0,0 +1,56 @@
+package com.alibaba.fastjson2.issues_1000;
+
+import com.alibaba.fastjson2.JSON;
+import com.alibaba.fastjson2.JSONObject;
+import com.alibaba.fastjson2.TypeReference;
+import org.junit.jupiter.api.Test;
+
+import java.util.Date;
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+
+public class Issue1291 {
+    @Test
+    public void test() {
+        String str = "{\"obj\":{\"unitCode\":\"755H\"}}";
+        Result<List> result = JSON.parseObject(str, new TypeReference<Result<List>>() {});
+        assertEquals(1, result.obj.size());
+        JSONObject object = (JSONObject) result.obj.get(0);
+        assertNotNull(object);
+        assertEquals("755H", object.get("unitCode"));
+    }
+
+    @Test
+    public void test_1() {
+        String info = "{\"obj\":{\"unitCode\":\"755H\"}}";
+        Result<List<String>> result =  JSONObject.parseObject(info, new TypeReference<Result<List<String>>>() {});
+        assertEquals(1, result.obj.size());
+        String string = result.obj.get(0);
+        assertEquals("{\"unitCode\":\"755H\"}", string);
+    }
+
+    @Test
+    public void test_2() {
+        String info = "{\"obj\":{\"unitCode\":\"755H\"}}";
+        Result<List<Info>> result =  JSONObject.parseObject(info, new TypeReference<Result<List<Info>>>() {});
+        assertEquals(1, result.obj.size());
+        Info object = result.obj.get(0);
+        assertNotNull(object);
+        assertEquals("755H", object.unitCode);
+    }
+
+    public static class Result<T> {
+        public Date date;
+        public String errorCode;
+        public String errorMessage;
+        public T obj;
+        public boolean success;
+    }
+
+    public static class Info{
+        public String unitCode;
+    }
+
+}