[英]Using underscore group by to structure my array
我有以下格式的數組
[
{
"duedate": "15-feb-2014",
"alias": "electronus",
"agent": "anonymous",
"name": ""
},
{
"duedate": "15-feb-2014",
"alias": "luminous",
"agent": "anonymous",
"name": ""
},
{
"duedate": "16-feb-2014",
"alias": "GSM",
"agent": "anonymous",
"name": ""
}
]
下划線分組方法使我可以使用屬性對數組進行分組,在我的情況下可以使用到期日。 這將返回一個這樣的數組
{
"15-Feb-2014": [
{
"duedate": "15-feb-2014",
"alias": "electronus",
"agent": "anonymous",
"name": ""
},
{
"duedate": "15-feb-2014",
"alias": "luminous",
"agent": "anonymous",
"name": ""
}
],
"16-Feb-2014": [
{
"duedate": "16-feb-2014",
"alias": "GSM",
"agent": "anonymous",
"name": ""
}
]
}
有沒有可能我有一個像這樣的數組:
[
{
"duedate": "15-feb-2014",
"myValues": [
{
"duedate": "15-feb-2014",
"alias": "electronus",
"agent": "anonymous",
"name": ""
},
{
"duedate": "15-feb-2014",
"alias": "luminous",
"agent": "anonymous",
"name": ""
}
]
},
{
"duedate": "16-feb-2014",
"myValues": [
{
"duedate": "16-feb-2014",
"alias": "GSM",
"agent": "anonymous",
"name": ""
}
]
}
]
因此,我可以在每個截止日期內包含多個數組值,以便可以解析它以填充無法更改的模板。
我已經為此苦苦掙扎了一段時間。 任何幫助將不勝感激。
您只需要在groupBy()
之后調用map()
groupBy()
...
var groupedArray = _.chain(list)
.groupBy(function (x) { return x.duedate })
.map(function (value, date) {
return {
duedate: date,
myValues: value
};
})
.value();
JS小提琴: http : //jsfiddle.net/t2tCa/
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