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根據(jù) String 屬性對(duì)對(duì)象數(shù)組進(jìn)行排序

根據(jù) String 屬性對(duì)對(duì)象數(shù)組進(jìn)行排序

夢(mèng)里花落0921 2024-01-18 14:45:34
我有這樣的數(shù)據(jù)結(jié)構(gòu)。[         {"name": "John", "gender": "Male", "id": "1"},         {"name": "Max", "gender": "Male", "id": "2"},         {"name": "John", "gender": "Male", "id": "3"},         {"name": "Sam", "gender": "Male", "id": "4"},         {"name": "Max", "gender": "Male", "id": "5"},         {"name": "Sam", "gender": "Male", "id": "6"},         {"name": "Sam", "gender": "Male", "id": "7"},         {"name": " ", "gender": "Male", "id": "8"},         {"name": "John", "gender": "Male", "id": "9"},         {"name": " ", "gender": "Male", "id": "10"},     ]我正在嘗試根據(jù)屬性對(duì)其進(jìn)行排序name。我需要所有記錄name=max應(yīng)該首先出現(xiàn)name=Sam,然后name=John是具有空名稱(chēng)字段或任何其他值的其余記錄。我嘗試了不同的技術(shù),但沒(méi)有得到想要的結(jié)果。有人可以建議我如何實(shí)現(xiàn)這一目標(biāo)嗎?謝謝。
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4 回答

?
呼喚遠(yuǎn)方

TA貢獻(xiàn)1856條經(jīng)驗(yàn) 獲得超11個(gè)贊

您可以給每個(gè)name案例打分,然后在Array.sort函數(shù)中使用該分?jǐn)?shù)。


const data = [

  { name: 'John', gender: 'Male', id: '1' },

  { name: 'Max', gender: 'Male', id: '2' },

  { name: 'John', gender: 'Male', id: '3' },

  { name: 'Sam', gender: 'Male', id: '4' },

  { name: 'Max', gender: 'Male', id: '5' },

  { name: 'Sam', gender: 'Male', id: '6' },

  { name: 'Sam', gender: 'Male', id: '7' },

  { name: ' ', gender: 'Male', id: '8' },

  { name: 'John', gender: 'Male', id: '9' },

  { name: ' ', gender: 'Male', id: '10' }

];


const getScore = name => {

  if (name === 'Max') return 3;

  else if (name === 'Sam') return 2;

  else if (name === 'John') return 1;

  else return 0;

};


data.sort((a, b) => getScore(b.name) - getScore(a.name));


console.log(data);


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?
牛魔王的故事

TA貢獻(xiàn)1830條經(jīng)驗(yàn) 獲得超3個(gè)贊

您可以執(zhí)行以下操作,


data = [

        {"name": "John", "gender": "Male", "id": "1"},

        {"name": "Max", "gender": "Male", "id": "2"},

        {"name": "John", "gender": "Male", "id": "3"},

        {"name": "Sam", "gender": "Male", "id": "4"},

        {"name": "Max", "gender": "Male", "id": "5"},

        {"name": "Sam", "gender": "Male", "id": "6"},

        {"name": "Sam", "gender": "Male", "id": "7"},

        {"name": " ", "gender": "Male", "id": "8"},

        {"name": "John", "gender": "Male", "id": "9"},

        {"name": " ", "gender": "Male", "id": "10"},

    ]


data.sort((a, b) => {

  if(a.name < b.name) {

    return 1;

  } else if(a.name > b.name) {

    return -1;

  }

  return 0;

})


console.log(data);


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?
泛舟湖上清波郎朗

TA貢獻(xiàn)1818條經(jīng)驗(yàn) 獲得超3個(gè)贊

如果您的數(shù)據(jù)包含區(qū)分大小寫(xiě)的名稱(chēng)怎么辦?


const getScore = name => {

  if (name.toLowerCase() === 'max') return 3;

  else if (name.toLowerCase() === 'sam') return 2;

  else if (name.toLowerCase() === 'john') return 1;

  else return 0;

};

data.sort((a, b) => getScore(b.name) - getScore(a.name));

console.log(data);


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?
料青山看我應(yīng)如是

TA貢獻(xiàn)1772條經(jīng)驗(yàn) 獲得超8個(gè)贊

您好,您可以使用此代碼


var arr = [

    {"name": "John", "gender": "Male", "id": "1"},

    {"name": "Max", "gender": "Male", "id": "2"},

    {"name": "John", "gender": "Male", "id": "3"},

    {"name": "Sam", "gender": "Male", "id": "4"},

    {"name": "Max", "gender": "Male", "id": "5"},

    {"name": "Sam", "gender": "Male", "id": "6"},

    {"name": "Sam", "gender": "Male", "id": "7"},

    {"name": " ", "gender": "Male", "id": "8"},

    {"name": "John", "gender": "Male", "id": "9"},

    {"name": " ", "gender": "Male", "id": "10"},

];


var arr1 = arr.filter((value, index) => {


    if(value.name == 'Max'){

        return value

    }


});


var arr2 = arr.filter((value, index) => {


    if(value.name != 'Max'){

        return value

    }


});


arr2 = arr2.sort((a, b) => (a.name < b.name) ? 1 : -1);


var output = arr1.concat(arr2);


console.log(output);


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