reqVo.setSchool(null);//GsonString g1 =newGson().toJson(reqVo);//首字母大写 @SerializedName("Username")//gson默认忽略null//gson={"Username":"刘天王","status":"1","password":"","apikey":"1111111111111"}System.out.println("gson=" +g1);//Both Gson instances must have serializeNull...
includefilter.addIncludes(includeProperties);/*** 情况一:默认忽略值为null的属性*/jsonUser=JSONObject.toJSONString(user, SerializerFeature.PrettyFormat); System.out.println("情况一:\n" +jsonUser);/*** 情况二:包含值为null的属性*/jsonUser=JSONObject.toJSONString(user, SerializerFeature.PrettyFormat, ...
json字符串忽略null,忽略字段,首字母大写等gson,jackson,fastJson实现demo package com.example.core.mydemo.json.vo; import com.alibaba.fastjson.annotation.JSONField; import com.fasterxml.jackson.annotation.JsonAutoDetect; import com.fasterxml.jackson.annotation.JsonIgnore; import com.fasterxml.jackson.annotatio...
springboot:2.3.12.RELEASE maven : json: {"fid":"","mapImg":"","parkingName":"","deviceNum":"210","networkstate":1,"validEndTime":{"dayOfWeek":"SATURDAY","hour":0,"month":"JUNE","dayOfMonth":29,"dayOfYear":181,"year":2024,"monthValue":6,"...
在转化的方法中添加这个属性:SerializerFeature.WriteMapNullValue。 public static void main(String[] args) { St st = new St(); st.setSid("111"); st.setSname("aaa"); JSONObject jsonSt = JSONObject.parseObject(JSON.toJSONString(st, SerializerFeature.WriteMapNullValue)); ...
{ return reportOwner; } public void setReportOwner(List<Field> reportOwner) { this.reportOwner = reportOwner; } } public static void main(String[] args) { String parseString = "{\"reportOwner\":[null]}"; HeapSpace heapSpace = JSONObject.parseObject(parseString, HeapSpace.class); String...
那如何解析 JSON 字符串呢?使用 JSON.parseObject() 方法,代码示例如下所示。06、总结 就我个人而言,我是比较推崇 Gson 的,毕竟是谷歌出品的,品质值得信赖,关键是用起来也确实比较得劲。Jackson 呢,在解析大的 JSON 文件时速度更快,也比 fastjson 稳定。fastjson 呢,作为我们国产开源软件中的骄傲,嗯,...
3. 解析 - 保留值为null的键 publicclassJSONParseUtil{/** * @param context 示例,context = "[[\"20241001\",\"20241002\"]]" */publicstaticStringparse(Stringcontext){StringjsonType=checkJsonType(context);if("JSONObject".equals(jsonType)){JSONObjectobj=JSON.parseObject(context);JSONObjectresultOb...
username和mobile这三个属性 */ jsonUser = JSONObject.toJSONString(user, includefilter, SerializerFeature.PrettyFormat, SerializerFeature.WriteMapNullValue);System.out.println("情况六:\n" + jsonUser);} JSONObject.parseObject result格式:{ "success":"true","data":{ "shop_uid":"123"} ...