Question

我环顾四周，但没有找到解决这个问题的方法：
我试图获得导致给定密钥或值的完整路径（密钥列表）（考虑帐户欺骗）。
我知道它类似于这个问题： how to get the path of an object's value from a value in javascript
但你可能会发现不同的方式：
- 按键
- 按价值
- 如果存在任何欺骗，它应该返回所有可能性的数组一个简短的例子是说话而不是长篇演说：

示例代码：

var data = {
    "key1": {
        "key1SubKey1": {
            "key1SubSubKey1": "key1SubSubKey1_value"
        },
        "key1SubKey2": {
            "key1SubSubKey2": "key1SubSubKey2_value"
        },
        "key1SubKey3": {
            "key1SubSubKey3": "key1SubSubKey3_value"
        },
        "duplicatedKey": "duplicated_value"
    },
    "key2": {
        "key2SubKey1": {
            "key2SubSubKey1": "key2SubSubKey1_value"
        },
        "key2SubKey2": {
            "key2SubSubKey2": "key2SubSubKey2_value"
        },
        "key2SubKey3": {
            "key2SubSubKey3": "key2SubSubKey3_value"
        },
        "duplicatedKey": "duplicated_value"
    }
}

用法示例

按价值搜索

getPathFromValue (data, "key2SubSubKey1_value") ;
// This should return : data['key2']['key2SubKey1']['key2SubSubKey1']

getPathFromValue (data, "duplicated_value") ;
// [ data['key1']['duplicatedKey'], data['key2']['duplicatedKey'] ]

按键搜索

getPathFromKey (data, "key2SubSubKey1") ;
// data['key2']['key2SubKey1']

getPathFromKey (data, "duplicatedKey") ;
// [ data['key1'], data['key2'] ]

Answer 1

请尝试以下方法：

    function findValue(data, value,path){
    if(typeof(data) != "object" || Object.keys(data).length == 0) 
        return { "path" : "" , "value" : ""};

    for(var prop in data)  { 
     if (data[prop] == value) 
        return { "path" :  path + "['" + prop + "']" , "value" : value};
    }


    for(var prop in data) { 
        var result = findValue(data[prop],value,path === undefined ? "['" + prop + "']" : path + "['" + prop + "']" );

        if (typeof(result) !== typeof(undefined) && result.value != "") { 
            return result; 
        }
    }
}

执行var result = findValue（data，“key1SubSubKey1_value”）将导致对象具有属性：value和path。

获取路径只访问result.path。

如何获取导致JavaScript对象中给定键/值的路径？

1 个答案: