英文:
Extract specific data from json object and store them in a list
问题
[{"user": {"name": "name1.n1","emailAddress": "example@example.com"},"role": "REVIEWER"},{"user": {"name": "name2.n2","emailAddress": "example2@example.com"},"role": "REVIEWER"}]
使用Java或Groovy提取json对象中的姓名（name）键的值，将其存储在列表中。可能有一个或多个用户。
英文:
I´m new to the world of json format. I have Json info stored in a json object and I only want to extract name key values in a list. At least I have one user and sometimes more than one user. Extraction using Java or Groovy.
{"reviewers": [{"user": {"name": "name1.n1","emailAddress": "example@example.com"},"role": "REVIEWER"},{"user": {"name": "name2.n2","emailAddress": "example2@example.com"},"role": "REVIEWER"}]}
答案1
得分: 2
使用带有库org.json.JSONObject的Java；
JSONObject json = new JSONObject(YOUR_JSON_HERE);JSONArray array = json.getJSONArray("reviewers");for (int i = 0; i < array.length(); i++) {JSONObject user = array.getJSONObject(i);System.out.println(user.getJSONObject("user").get("name"));}
英文:
Using Java with library org.json.JSONObject;
JSONObject json =new JSONObject(YOUR_JSON_HERE );JSONArray array = json.getJSONArray("reviewers" );for(int i=0;i<array.length();i++){JSONObject user =array.getJSONObject(i);System.out.println(user.getJSONObject("user").get("name"));}}
答案2
得分: 2
import groovy.json.JsonSlurperdef json = '''{"reviewers": [{"user": {"name": "name1.n1","emailAddress": "example@example.com"},"role": "REVIEWER"},{"user": {"name": "name2.n2","emailAddress": "example2@example.com"},"role": "REVIEWER"}]}'''def obj = new JsonSlurper().parseText(json)println obj.reviewers.collect{ it.user.name } // v1println obj.reviewers*.user.name // the same as above but shorter
<details><summary>英文:</summary>basic groovy+json doc here: https://groovy-lang.org/json.html
import groovy.json.JsonSlurper
def json = '''{
"reviewers": [
{
"user": {
"name": "name1.n1",
"emailAddress": "example@example.com"
},
"role": "REVIEWER"
},
{
"user": {
"name": "name2.n2",
"emailAddress": "example2@example.com"
},
"role": "REVIEWER"
}
]
}
'''
def obj = new JsonSlurper().parseText(json)
println obj.reviewers.collect{ it.user.name } // v1
println obj.reviewers*.user.name // the same as above but shorter
</details># 答案3**得分**: 0```python您可以像这样使用Groovy获取名称列表：jason = '''{"reviewers": [{"user": {"name": "name1.n1","emailAddress": "example@example.com"},"role": "REVIEWER"},{"user": {"name": "name2.n2","emailAddress": "example2@example.com"},"role": "REVIEWER"}]}'''import groovy.json.JsonSlurperdef jsonslurper = new JsonSlurper()def object = jsonslurper.parseText(jason)List names = object.findAll { it.value instanceof List }.values().flatten().collect { it.user.name }println names
英文:
You can get a list of names like this, using just Groovy:
jason = '''{"reviewers": [{"user": {"name": "name1.n1","emailAddress": "example@example.com"},"role": "REVIEWER"},{"user": {"name": "name2.n2","emailAddress": "example2@example.com"},"role": "REVIEWER"}]}'''import groovy.json.JsonSlurperdef jsonslurper = new JsonSlurper()def object = jsonslurper.parseText(jason)List names = object.findAll { it.value instanceof List }.values().flatten().collect { it.user.name }println names
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