常用配置
|
1
2
3
4
5
6
|
ObjectMapper objectMapper = new ObjectMapper();objectMapper.configure(Feature.IGNORE_UNKNOWN,true);objectMapper.configure(Feature.WRITE_BIGDECIMAL_AS_PLAIN,true);objectMapper.configure(JsonParser.Feature.ALLOW_MISSING_VALUES,true);objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES,false);objectMapper.configure(MapperFeature.ACCEPT_CASE_INSENSITIVE_PROPERTIES,false);//大小写脱敏 默认为false 需要改为tru |
参考
|
1
|
com.fasterxml.jackson.databind.MapperFeature#ACCEPT_CASE_INSENSITIVE_PROPERTIES |
使用注解方式：举例
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
public static void main(String[] args) throws IOException { String x = "{\n" + " \"TToUserName\":\"gh_a5624dd2db4e\",\n" + " \"FFromUserName\":\"ochvq0Kn35VlnTAcIJ3fRBAZTQUY\"" + " }"; ObjectMapper objectMapper = new ObjectMapper(); Result map = objectMapper.readValue(x, Result.class); System.out.println(map); objectMapper.writeValue(System.out,map); } private static class Result { private String ToUserName; private String FromUserName; @JsonProperty("ToUserName") public String getToUserName() { return ToUserName; } @JsonProperty("TToUserName") public void setToUserName(String toUserName) { ToUserName = toUserName; } @JsonProperty("FromUserName") public String getFromUserName() { return FromUserName; } @JsonProperty("FFromUserName") public void setFromUserName(String fromUserName) { FromUserName = fromUserName; } } |
Jackson 转换大小写问题
Jackson转换json时会把大写转换成小写
解决办法：
1、在变量时加上： @JsonProperty
2、在set/get方法加上：@JsonIgnore
以上为个人经验，希望能给大家一个参考，也希望大家多多支持服务器之家。
原文链接：https://beijingngcc.blog.csdn.net/article/details/85009163
