package com.alibaba.json.bvt.fullSer; import com.alibaba.fastjson.JSON; import com.alibaba.fastjson.serializer.SerializerFeature; import org.junit.Assert; import junit.framework.TestCase; public class LongTest extends TestCase { public void test_0() throws Exception { VO vo = new VO(); vo.setValue(33L); String text = JSON.toJSONString(vo, SerializerFeature.WriteClassName); System.out.println(text); Assert.assertEquals("{\"@type\":\"com.alibaba.json.bvt.fullSer.LongTest$VO\",\"value\":33}", text); } public static class VO { private Long value; public Long getValue() { return value; } public void setValue(Long value) { this.value = value; } } }