import com.alibaba.fastjson.support.config.FastJsonConfig;
import com.alibaba.fastjson.support.compat.FastJson1Compatible;
import com.alibaba.fastjson.JSONObject;
public class Main {
public static void main(String[] args) {
config.setSerializeNulls(true);
config.setDateFormat("yyyy-MM-dd HH:mm:ss");
String jsonStr = "{\"name\":\"Alice\",\"age\":20}";
JSONObject jsonObject = JSONObject.parseObject(jsonStr, config);
System.out.println(jsonObject.getString("name"));
System.out.println(jsonObject.getIntValue("age"));
// Alice
// 20
}
}
fastjson.version=1.2.68
fastjson.serializeNulls=true
fastjson.dateFormat=yyyy-MM-dd HH:mm:ss
