[英]Parse nested json objects in groovy
我有一個json文件,其中包含按城市分組的聯系信息。 我想解析json並創建一個名稱和數字列表,但是擺弄一個小時左右后,我無法在groovy中使用它。
def json = '''{
"date":"2018-01-04T22:01:02.2125",
"boston": [
{
"name":"bob",
"phone":"242 123123",
"ext":"12",
"email":"bob@boston.com"
},
{
"name":"alice",
"phone":"212-123-345",
"ext":"1",
"email":"alice@boston.com"
}
],
"chicago": [
{
"name":"charlie",
"phone":"313-232-545",
"ext":"14",
"email":"charlie@chicago.com"
},
{
"name":"denise",
"phone":"414-123-546",
"ext":"9",
"email":"denise@chicago.com"
}
]
}'''
我已經嘗試了以下主題的一些變體,但到目前為止它們都失敗了。
parsedjson = slurper.parseText(json)
phonelist = []
parsedjson.each{phonelist.add([it['name'],it['phone']])}
使用您擁有的json非常棘手,因為您需要查找列表中的值...您可以使用findAll
來做到這一點,因此給定json:
def json = '''{
"date":"2018-01-04T22:01:02.2125",
"boston": [
{
"name":"bob",
"phone":"242 123123",
"ext":"12",
"email":"bob@boston.com"
},
{
"name":"alice",
"phone":"212-123-345",
"ext":"1",
"email":"alice@boston.com"
}
],
"chicago": [
{
"name":"charlie",
"phone":"313-232-545",
"ext":"14",
"email":"charlie@chicago.com"
},
{
"name":"denise",
"phone":"414-123-546",
"ext":"9",
"email":"denise@chicago.com"
}
]
}'''
您可以像目前一樣導入JsonSlurper並解析json:
import groovy.json.JsonSlurper
def parsedjson = new JsonSlurper().parseText(json)
然后;
def result = parsedjson.findAll { it.value instanceof List } // Find all entries with a list value
.values() // Get all the lists
.flatten() // Merge them into a single list
.collect { [it.name, it.phone] } // grab the name and phone for each
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