TypeReference -- 让Jackson Json在List/Map中识别自己的Object

private Map<String, Object> buildHeaders(Object params) {
        ObjectMapper objectMapper = JacksonHelper.getMapper();
        return objectMapper.convertValue(params, new TypeReference<Map<String, Object>>(){});
}    

参考How to use Jackson to deserialise an array of objects

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原文地址：https://www.cnblogs.com/hujunzheng/p/8696556.html