//这里是我用的方法,关于数组去重的其它方法还可以参考下方链接
数组去重以及数组对象中多属性判断去重
let data = [
{ name: "a", age: 20, count: 5 },
{ name: "b", age: 21, count: 8 },
{ name: "a", age: 20, count: 9 }
];
let result = data.reduce((result, item, seq) => {
let temp = 0;
let flag = result.some((eve, index) => {
temp = index;//记录相等时的索引值
return eve['name'] == item['name'] && eve['age'] && item['age']
})
if (flag) {
result[temp]['count'] += (',' + item['count'])//如果重复,就合并数据
} else {
result.push(item)//如果不重复,就往新数据里追加
}
return result;
}, [])
console.log(result);