var arr = [{ 'id': '1001 ', 'name': '值1', 'value': '111' }, { 'id': '1001 ', 'name': '值1', 'value': '11111' }, { 'id': '1002 ', 'name': '值2', 'value': '25462' }, { 'id': '1002 ', 'name': '值2', 'value': '23131' }, { 'id': '1002 ', 'name': '值2', 'value': '2315432' }, { 'id': '1003 ', 'name': '值3', 'value': '333333' }]; var map = {}, dest = []; for (var i = 0; i < arr.length; i++) { var ai = arr[i]; if (!map[ai.id]) { dest.push({ id: ai.id, name: ai.name, data: [ai] }); map[ai.id] = ai; } else { for (var j = 0; j < dest.length; j++) { var dj = dest[j]; if (dj.id == ai.id) { dj.data.push(ai); break; } } } } console.log(dest);
标签:name,放到,value,dest,ai,数组,var,id From: https://www.cnblogs.com/gwkzb/p/17777045.html