我正在尝试使用Java中的jayway的JsonPath替换Json数组中的某个元素。例如:
{
"store": {
"book": [
{
"category": "reference",
"author": "Nigel Rees",
"title": "Sayings of the Century",
"price": 8.95
},
{
"category": "fiction",
"author": "Evelyn Waugh",
"title": "Sword of Honour",
"price": 12.99
},
{
"category": "fiction",
"author": "Herman Melville",
"title": "Moby Dick",
"isbn": "0-553-21311-3",
"price": 8.99
},
{
"category": "fiction",
"author": "J. R. R. Tolkien",
"title": "The Lord of the Rings",
"isbn": "0-395-19395-8",
"price": 22.99
}
],
"bicycle": {
"color": "red",
"price": 19.95
}
},
"expensive": 10
}
在这里,我希望能够替换阵列中的第一本书。我可以使用此查询$.store.book.[?(@.author =='Nigel Rees')]
然后我使用此代码替换此节点:
Configuration configuration = Configuration.builder()
.jsonProvider(new JacksonJsonNodeJsonProvider())
.mappingProvider(new JacksonMappingProvider())
.build();
DocumentContext pbContext = JsonPath.using(configuration).parse(theAboveJson);
pbContext.set("$.store.book.[?(@.author =='Nigel Rees')]", someOtherJson);
但是我注意到,新节点不是替换,而是插入books数组中的第0位。有没有办法真正替换数组元素?