SOURCE

let obj1 = [{
    label: "工业级",
    value: "indGrade",
    children: [
        { label: "工业级4G2*2贴片普通卡", value: "11" },
        { label: "工业级4G2*2贴片实名卡", value: "12" },
        { label: "工业级4G5*6贴片普通卡", value: "13" },
        { label: "工业级4G5*6贴片实名卡", value: "14" },
        { label: "工业级NB2*2贴片卡", value: "15" },
        { label: "工业级NB5*6贴片卡", value: "16" },
        { label: "工业级NB三切卡", value: "17" },
        { label: "工业级4G三切普通卡", value: "18" },
        { label: "工业级4G三切专网卡", value: "19" },
        { label: "工业级4G三切实名卡", value: "20" },
        { label: "工业级4G二切卡", value: "21" },
        { label: "工业级4G小卡", value: "22" },
        { label: "工业级4G中卡", value: "23" },
        { label: "工业级4G大卡", value: "24" },
        { label: "工业级语音三切卡", value: "25" },
        { label: "工业级国际三切卡", value: "26" },
        { label: "工业级5G三切普通卡", value: "27" },
        { label: "工业级5G三切专网卡", value: "28" },
        { label: "工业级5G三切实名卡", value: "29" },
    ]
}, {
    value: "conGrade",
    label: "消费级",
    children: [
        { label: "消费级4G2*2贴片普通卡", value: "30" },
        { label: "消费级4G2*2贴片实名卡", value: "31" },
        { label: "消费级4G5*6贴片普通卡", value: "32" },
        { label: "消费级4G5*6贴片实名卡", value: "33" },
        { label: "消费级NB2*2贴片卡", value: "34" },
        { label: "消费级NB5*6贴片卡", value: "35" },
        { label: "消费级NB三切卡", value: "36" },
        { label: "消费级4G三切普通卡", value: "37" },
        { label: "消费级4G三切专网卡", value: "38" },
        { label: "消费级4G三切实名卡", value: "39" },
        { label: "消费级4G二切卡", value: "40" },
        { label: "消费级4G小卡", value: "41" },
        { label: "消费级4G中卡", value: "42" },
        { label: "消费级4G大卡", value: "43" },
        { label: "消费级语音三切卡", value: "44" },
        { label: "消费级国际三切卡", value: "45" },
        { label: "消费级5G三切普通卡", value: "46" },
        { label: "消费级5G三切专网卡", value: "47" },
        { label: "消费级5G三切实名卡", value: "48" },
        { label: "消费级2G三切卡", value: "49" },
    ]
}]

console.log("查找的数据：", getIndexsByKey('25'))

function getIndexsByKey(){
    let indexes = [0,0]
return indexes
}