我有以下JSON。我必须从阵列中单独删除子节点,其余内容应该可用。
{
"model_type_name": "portfolio",
"hier_model_type_name": "portfolio",
"object_type": "product",
"gen_new_flag": "n",
"mkt_map_req_flag": "n",
"rule_based_flag": null,
"custom_price_type": null,
"hier_id": 468299069,
"hier_name": "AMS",
"parent_hier_id": 1,
"parent_hier_name": "Portfolio",
"level": "2",
"isLeaf": "0",
"parentage": "\\Portfolio\\AMS",
"hier_gen_new_flag": "y",
"hier_child_gen_new_flag": "y",
"hier_entity_role": "parent",
"hier_child_entity": "portfolio",
"hier_rel_type_name": "portfolio hierarchy",
"hist_flag": "y",
"hier_hist_flag": "y",
"rls_type": null,
"mass_updt_flag": null,
"children": [
{
"model_type_name": "dummy",
"hier_model_type_name": "portfolio",
"object_type": "product",
"gen_new_flag": "n",
"mkt_map_req_flag": "n",
"rule_based_flag": null,
"custom_price_type": null,
"hier_id": 469444670,
"hier_name": "Integrated Solutions",
"parent_hier_id": 468299069,
"parent_hier_name": "AMS",
"level": "3",
"isLeaf": "0",
"parentage": "\\Portfolio\\AMS\\Integrated Solutions",
"hier_gen_new_flag": "y",
"hier_child_gen_new_flag": "y",
"hier_entity_role": "parent",
"hier_child_entity": "portfolio",
"hier_rel_type_name": "portfolio hierarchy",
"hist_flag": "y",
"hier_hist_flag": "y",
"rls_type": null,
"mass_updt_flag": null,
"children": [
{
"model_type_name": "dummy",
"hier_model_type_name": "portfolio",
"object_type": "product",
"gen_new_flag": "n",
"mkt_map_req_flag": "n",
"rule_based_flag": null,
"custom_price_type": null,
"hier_id": 469444678,
"hier_name": "Healthcare",
"parent_hier_id": 469444670,
"parent_hier_name": "Integrated Solutions",
"level": "4",
"isLeaf": "1",
"parentage": "\\Portfolio\\AMS\\Integrated Solutions\\Healthcare",
"hier_gen_new_flag": "y",
"hier_child_gen_new_flag": "n",
"hier_entity_role": "parent",
"hier_child_entity": "portfolio",
"hier_rel_type_name": "portfolio hierarchy",
"hist_flag": "y",
"hier_hist_flag": "y",
"rls_type": null,
"mass_updt_flag": null,
"children": null,
"hierGenNewFlag": true,
"releaseDriven": false,
"genNewFlag": false,
"hierChildGenNewFlag": false,
"massUpdateFlag": false
}
],
"hierGenNewFlag": true,
"releaseDriven": false,
"genNewFlag": false,
"hierChildGenNewFlag": true,
"massUpdateFlag": false
}
],
"hierGenNewFlag": true,
"releaseDriven": false,
"genNewFlag": false,
"hierChildGenNewFlag": true,
"massUpdateFlag": false
}
我尝试了这段代码:但它无效..请帮忙
for(var i=0; i< $scope.selectedNode.length; i++){
var obj = scope.selectedNode[i];
for(var k in obj){
if(k == "children"){
if(!obj[k]){
delete $scope.selectedNode.children;
}
}
}
}
答案 0 :(得分:0)
由于这一行不起作用:
if(!obj[k]){
children
只有在值为false
,undefined
,null
,0
,NaN
或{{1}时才会被删除}}。对象始终评估为""
。 (您可以通过键入true
)在浏览器的JS控制台中进行检查。
您应该删除整个条件或'!'。
答案 1 :(得分:0)
如果是对象,请执行以下操作:
delete object.node;
<强>注意强>
对于无法使用object.length
的对象,它不会返回任何内容,您必须使用Object.getLength(object);