fastjson

FastJSON与Gson实战

最新推荐文章于 2025-11-28 16:16:35 发布

原创最新推荐文章于 2025-11-28 16:16:35 发布 · 160 阅读

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jar：

	<dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>1.1.42</version>
        </dependency>

	@Test
	public void json2Obj() throws Exception{
		
		//json2obj
		String json = "{\"attr\":\"2\",\"updateTime\":\"2017-03-08 12:01:03\",\"id\":\"1\",\"product\":\"1\",\"status\":\"1\",\"unit\":\"2\"}";
		String jsonArray = "[{\"attr\":\"2\",\"updateTime\":\"20170308120103\",\"id\":\"1\",\"product\":\"1\",\"status\":\"1\",\"unit\":\"2\"},{\"attr\":\"2\",\"id\":\"2\",\"product\":\"1\",\"status\":\"1\",\"unit\":\"2\"}]";
		System.out.println(json);
//		JSON.DEFFAULT_DATE_FORMAT = "yyyyMMddhh:MM:dd";
		Product product = JSON.parseObject(json,Product.class);
		
		List<Product> parseObject = JSON.parseArray(jsonArray,Product.class);
		
		//obj2json
		JSON.DEFFAULT_DATE_FORMAT = "yyyy-MM-dd";
		System.out.println(JSON.toJSONString(parseObject, SerializerFeature.WriteDateUseDateFormat));
		
		
		
		System.out.println(0);
//		result:
//		{"attr":"2","updateTime":"2017-03-08 12:01:03","id":"1","product":"1","status":"1","unit":"2"}
//		[{"attr":"2","id":"1","product":"1","status":"1","unit":"2","updateTime":"2017-03-08"},{"attr":"2","id":"2","product":"1","status":"1","unit":"2"}]
	}

2.属性名开头大写时
private String Name_OCR;

GSON.toJson(object):结果：{"name_OCR":xx}

如果需要保持属性的名称不变，使用@JSONField

@JSONField(name="Name_OCR")
private String Name_OCR;