
如何对异步获取数据进行排序处理
后端返回的数据通常按特定字段排序,但前端可能会需要根据其他字段进行重新排序,例如根据多种字段相邻排序。本问题中,需要对后端返回的员工工作数据按 appeal_type 和 detail_appeal_type 字段相邻排序。
解决方案:
- 首先按 appeal_type 字段排序,再在 appeal_type 排序的基础上按 detail_appeal_type 字段排序:
const sortedlist = list.tosorted((a, b) => a.appeal_type - b.appeal_type).tosorted((a, b) => a.detail_appeal_type - b.detail_appeal_type);
- 如果需要按多个字段排序,可以使用 reduce 方法:
const sortedlist = ['appeal_type', 'detail_appeal_type'].reduce((acc, field) => acc.tosorted((a, b) => a[field] - b[field]), list);
范例:
const list = [
{
appeal_type: 16,
detail_appeal_type: 17,
utilization_rate: 0.24
},
{
appeal_type: 16,
detail_appeal_type: 17,
utilization_rate: 0.24
},
{
appeal_type: 1,
detail_appeal_type: 2,
utilization_rate: 0.02
},
{
appeal_type: 16,
detail_appeal_type: 17,
utilization_rate: 0.24
},
{
appeal_type: 9,
detail_appeal_type: 10,
utilization_rate: 0.12
},
{
appeal_type: 9,
detail_appeal_type: 10,
utilization_rate: 0.12
},
{
appeal_type: 16,
detail_appeal_type: 17,
utilization_rate: 0.24
}
];
console.log(sortedlist);输出:
[
{ appeal_type: 1, detail_appeal_type: 2, utilization_rate: 0.02 },
{ appeal_type: 9, detail_appeal_type: 10, utilization_rate: 0.12 },
{ appeal_type: 9, detail_appeal_type: 10, utilization_rate: 0.12 },
{ appeal_type: 16, detail_appeal_type: 17, utilization_rate: 0.24 },
{ appeal_type: 16, detail_appeal_type: 17, utilization_rate: 0.24 },
{ appeal_type: 16, detail_appeal_type: 17, utilization_rate: 0.24 },
{ appeal_type: 16, detail_appeal_type: 17, utilization_rate: 0.24 }
]










