Question

我需要从嵌套的json对象中查找和更新json对象。考虑原始的json对象。

  var originaldata=[
    {
    "sc_iden": "331",
    "sc_name": "Scene 1",
    "sc_type": "",
    "sc_status": "Draft",
    "sc_owner": "",
    "children": [
        {
            "sc_iden": "332",
            "Sc_name": "Scene1.1",
            "sc_type": "",
            "sc_status": "Draft",
            "sc_priority": "3",
            "sc_owner": "",
            "children": []
        }
    ]
},
{
    "sc_iden": "334",
    "sc_name": "Scene2",
    "sc_type": "",
    "sc_status": "Draft",
    "sc_priority": "2",
    "sc_owner": "",
    "children": []
}]

从originaldata（JSON）中找到以下findUpdate记录并更新它们的值。

    var findUpdate =  {
            "sc_iden": "332",
            "Sc_name": "My Scene",
            "sc_type": "New Type",
            "sc_status": "Opened",
            "sc_priority": "5",
            "sc_owner": "Admin",
            "children": []
        }

基于sc_iden =“332”搜索originaldata并使用jquery或angularjs更新新值（findUpdate）。

Answer 1

检查控制台输出（仅在示例中Sc_name已更改）：

＆＃13;

var originaldata=[
    {
    "sc_iden": "331",
    "sc_name": "Scene 1",
    "sc_type": "",
    "sc_status": "Draft",
    "sc_owner": "",
    "children": [
        {
            "sc_iden": "332",
            "Sc_name": "Scene1.1",
            "sc_type": "",
            "sc_status": "Draft",
            "sc_priority": "3",
            "sc_owner": "",
            "children": []
        }
    ]
},
{
    "sc_iden": "334",
    "sc_name": "Scene2",
    "sc_type": "",
    "sc_status": "Draft",
    "sc_priority": "2",
    "sc_owner": "",
    "children": []
}];

var findUpdate =  {
            "sc_iden": "332",
            "Sc_name": "My Scene",
            "sc_type": "New Type",
            "sc_status": "Opened",
            "sc_priority": "5",
            "sc_owner": "Admin",
            "children": []
        }

for (i in originaldata) {
  var obj = originaldata[i];
  if (obj['sc_iden'] == '332') {
    obj['Sc_name'] = findUpdate['Sc_name'];
    //...
  } else {
    for (m in obj['children']) {
      var k = obj['children'][m];
      if (k['sc_iden'] == '332') {
        k['Sc_name'] = findUpdate['Sc_name'];
        //...
      }
    }
  }
}

console.log(originaldata);

＆＃13;

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>

＆＃13;

Answer 2

看看这个plunker。

var update = function(jsonArray, updatedJson) {

  if (jsonArray.length !== 0) {
    jsonArray.forEach(function(obj) {
      if (obj.sc_iden === updatedJson.sc_iden) {
        obj.sc_name = updatedJson.sc_name;
        //....update
      } else {
        //try to update children
        update(obj.children, updatedJson);
      }
    });
  }
};

它会修改原始数据，因此如果您仍然需要，请保留副本。

查找并更新嵌套的JSON值

2 个答案: