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如何對(duì)數(shù)組的對(duì)象進(jìn)行分組和分離

如何對(duì)數(shù)組的對(duì)象進(jìn)行分組和分離

繁花不似錦 2022-10-27 15:07:35
如何對(duì)來自服務(wù)器的數(shù)組對(duì)象進(jìn)行分組和分離。像這樣的數(shù)組:(MOVINGSTATEs這表示停止和m移動(dòng)。XPOINT 和 YPOINT 這表示汽車的經(jīng)緯度。)[{MOVINGSTATE: "s",XPOINT:53.9172866,YPOINT: 26.518275},{MOVINGSTATE: "s",XPOINT: 53.9172866,YPOINT: 26.518275},{MOVINGSTATE: "m",XPOINT: 54.0215383,YPOINT: 26.5275599},{MOVINGSTATE: "m",XPOINT: 54.0102666,YPOINT: 26.4989583},{MOVINGSTATE: "s",XPOINT: 54.0016599,YPOINT: 26.5478316},..]我想如果一些MOVINGSTATEContinuous sgoto new array 以及何時(shí)MOVINGSTATE更改為mgoto new array 并再次MOVINGSTATE更改為s goto new array。另一個(gè)主數(shù)組的所有這些新數(shù)組對(duì)象。我用loadashvar aaa = _loadash.groupBy(props,'MOVINGSTATE')但輸出這個(gè):{m:Array(2),s:Array(3)}我想要這樣的輸出:[ [  {MOVINGSTATE: "s",XPOINT:53.9172866,YPOINT: 26.518275},  {MOVINGSTATE: "s",XPOINT: 53.9172866,YPOINT: 26.518275}  ], [  {MOVINGSTATE: "m",XPOINT: 54.0215383,YPOINT: 26.5275599},  {MOVINGSTATE: "m",XPOINT: 54.0102666,YPOINT: 26.4989583} ], [  {MOVINGSTATE: "s",XPOINT: 54.0016599,YPOINT: 26.5478316} ]]謝謝你的幫助
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慕萊塢森

TA貢獻(xiàn)1810條經(jīng)驗(yàn) 獲得超4個(gè)贊

嘗試這個(gè):


let arr = 

[{MOVINGSTATE: "s",XPOINT:53.9172866,YPOINT: 26.518275},

{MOVINGSTATE: "s",XPOINT: 53.9172866,YPOINT: 26.518275},

{MOVINGSTATE: "m",XPOINT: 54.0215383,YPOINT: 26.5275599},

{MOVINGSTATE: "m",XPOINT: 54.0102666,YPOINT: 26.4989583},

{MOVINGSTATE: "s",XPOINT: 54.0016599,YPOINT: 26.5478316}];


  let result =  arr.reduce( (accumulator, cur) => {

    const key = cur["MOVINGSTATE"];

    const keyExists = accumulator.find(obj => obj.key === key);

    if (!keyExists) {

      accumulator.push({key,value:[cur]});

      return accumulator;      

    } else if(accumulator[accumulator.length -1] && accumulator[accumulator.length -1].key === key){

        accumulator[accumulator.length -1].value.push(cur);

        return accumulator;

    } else {

      accumulator.push({key,value:[cur]});

      return accumulator; 

    }

        

  }, [])

  .map(obj => obj.value)


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反對(duì) 回復(fù) 2022-10-27
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