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我想從嵌套的json
數組中刪除特定元素。 以下json對象的根節點爲EE,嵌套子節點爲&包。我想刪除節點id = 7
。有可能這樣做嗎?從angularjs中的多個嵌套Json數組對象中刪除元素
$scope.data = {
"id": 1, "parentNodeId": null,
"nodeName": "EE", "magCode": "EE",
"childNodes": [{
"id": 2,
"parentNodeId": 1,
"nodeName": "Child 1",
"magCode": "EE",
"childNodes": [],
"packages": []
},
{
"id": 4,
"parentNodeId": 1,
"nodeName": "Child 2",
"magCode": "EE",
"childNodes": [{
"id": 5,
"parentNodeId": 4,
"nodeName": "Child 21",
"magCode": "EE",
"childNodes": [],
"packages": [] }],
"packages": [{
"id": 6,
"parentNodeId": 4,
"nodeName": "Child Package 2",
"magCode": "EE",
"childNodes": null,
"packages": null
},
{
"id": 7,
"parentNodeId": 4,
"nodeName": "Child Package 3",
"magCode": "EE",
"childNodes": null,
"packages": null
}
]
}],
"packages": [{
"id": 8,
"parentNodeId": 1,
"nodeName": "test",
"magCode": "EE",
"childNodes": null,
"packages": null
}]
};
感謝您的答覆。基本上,這就像樹結構一樣,在前端有不同的圖標作爲子節點和包。我想通過外部按鈕根據選定的節點ID動態刪除。 – Prabakar
不應該是一個問題,創建一個函數,將該ID作爲參數,然後您可以將它傳遞給lodash以篩選出所選項目。通過在Angular中綁定,您的UI將自動更新。 Lodash支持子集合的過濾,因此它應該是一個完美契合。這裏是我的意思的一個例子:http://stackoverflow.com/questions/17096988/lodash-how-do-i-use-filter-when-i-have-nested-object – Turkster