我在对象映射器中使用fasterxml json,下面是我的代码:
ObjectMapper mapper = new ObjectMapper();
mapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
try {
String jsonInString = mapper.writeValueAsString(myClassObjectHere);
return new ResponseEntity<String>(jsonInString, HttpStatus.OK);
} catch (JsonProcessingException e) {
e.printStackTrace();
return new ResponseEntity<String>(HttpStatus.INTERNAL_SERVER_ERROR);
}
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我实现并使用代码的方式,我得到了所需的输出,但是json在某些json对象中具有2个随机的奇怪值,如下所示:
"listing": {
"listingId": 1,
"name": "Business",
"handler": {},
"hibernateLazyInitializer": {}
},
"handler": {},
"hibernateLazyInitializer": {}
},
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如何配置objectmappper忽略"handler": {}, "hibernateLazyInitializer": {}输出的json中的值?
我尝试了以下解决方案:
objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
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但它不起作用,输出仍然与我上面发布的相同。另外,我知道我可以通过注释类来忽略json中的这些处理程序和hibernateLazyInitializer,@JsonIgnoreProperties({"hibernateLazyInitializer", "handler"})但是有什么方法可以全局配置json杰克逊对象映射器,以便它永远不会在我输出的json中添加这些值?