首頁猿問 js合并相同值的數(shù)組，生成一組新的數(shù)組

js合并相同值的數(shù)組，生成一組新的數(shù)組

JavaScript

紫衣仙女 2019-05-22 20:13:26

得到的數(shù)據(jù)：vardata=[{"year":"2018-03-03","qidong":"17:01:37","shicha":"25","jieshu":"17:02:03"},{"year":"2018-03-03","qidong":"17:01:06","shicha":"14","jieshu":"17:01:20"},{"year":"2018-03-04","qidong":"17:00:41","shicha":"11","jieshu":"17:00:52"},{"year":"2018-03-04","qidong":"17:00:06","shicha":"7","jieshu":"17:00:13"}];請教如何把數(shù)組生成新的類型數(shù)組？如下vardata=[{"year":"2018-03-03","qidong":"17:01:37,17:01:06","shicha":"25,14","jieshu":"17:02:03,17:01:20"},{"year":"2018-03-04","qidong":"17:00:41,17:00:06","shicha":"11,7","jieshu":"17:00:52,17:00:13"},];

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翻過高山走不出你

TA貢獻1875條經(jīng)驗獲得超3個贊

vardata=[{"year":"2018-03-03","qidong":"17:01:37","shicha":"25","jieshu":"17:02:03"},{"year":"2018-03-03","qidong":"17:01:06","shicha":"14","jieshu":"17:01:20"},{"year":"2018-03-04","qidong":"17:00:41","shicha":"11","jieshu":"17:00:52"},{"year":"2018-03-04","qidong":"17:00:06","shicha":"7","jieshu":"17:00:13"}];var_=data.reduce(function(a,b){varyear=b.year;if(!a[year]){a[year]={qidong:[],shicha:[],jieshu:[]}}a[year].qidong.push(b.qidong);a[year].shicha.push(b.shicha);a[year].jieshu.push(b.jieshu);returna;},{});_=Object.keys(_).map(function(item){return{year:item,qidong:_[item].qidong.join(','),shicha:_[item].shicha.join(','),jieshu:_[item].jieshu.join(','),};})console.log(_);