标签:40% checkbox reduce canBeSettled 勾选 date yes settled id
在使用checkbox组件时经常遇到需要关联checkbox选中状态的需求
例如 A B C 三个checkbox 中,需要选中c时自动勾选上 A B,而取消A时需要取消B C的选中状态
思路:
- 添加时,每一项新建一个数组,通过reduce从前到后遍历每一个checkbox的value,数组中添加上上一子项的id
- 取消时,每一项新建一个数组,通过reduceRight从后到前遍历每一个checkbox的value,数组中添加上下一父项的id
- 通过两个数组配合checkbox的checked和onChange 即可以实现改效果
在真实的场景下返回的数据如下
const mock = [
{
canBeSettled: 'yes',
date: '2020-03-01',
id: 18,
settled: 'yes',
shareAmount: '17289.38',
tips: '200000.00 x 40% x (153/273) ',
},
{
canBeSettled: 'yes',
date: '2020-08-01',
id: 19,
settled: 'yes',
shareAmount: '17289.38',
tips: '200000.00 x 40% x (153/273) ',
},
{
canBeSettled: 'yes',
date: '2021-03-01',
id: 20,
settled: 'no',
shareAmount: '17289.38',
tips: '200000.00 x 40% x (153/273) ',
},
{
canBeSettled: 'yes',
date: '2021-08-01',
id: 21,
settled: 'no',
shareAmount: '17289.38',
tips: '200000.00 x 40% x (153/273) ',
},
{
canBeSettled: 'yes',
date: '2022-03-01',
id: 22,
settled: 'no',
shareAmount: '17289.38',
tips: '200000.00 x 40% x (153/273) ',
},
{
canBeSettled: 'yes',
date: '2022-08-01',
id: 23,
settled: 'no',
shareAmount: '44835.16',
tips: '200000.00 x 40% x (153/273) ',
},
{
canBeSettled: 'no',
date: '2023-03-01',
id: 24,
settled: 'no',
shareAmount: '17875.46',
tips: '200000.00 x 40% x (153/273) ',
},
]
这时可以用reduce来遍历格式化数据
const mockFilter = mock
.reduce((t, v, i, a) => {
const overToday = moment(v.date).isAfter(new Date(), 'day')
return [
...t,
{
...v,
settledIds:
v.canBeSettled === 'yes' && !overToday && v.settled === 'no'
? [v.id, ...(t[t.length - 1]?.settledIds || [])]
: [],
},
]
}, [])
.reduceRight((t, v, i, a) => {
const overToday = moment(v.date).isAfter(new Date(), 'day')
return [
...t,
{
...v,
removeSettledIds:
v.canBeSettled === 'yes' && !overToday && v.settled === 'no'
? [v.id, ...(t[t.length - 1]?.removeSettledIds || [])]
: [],
},
]
}, [])
根据场景需求格式化数据,格式化后的数据为:
[
{
canBeSettled: 'yes',
date: '2020-03-01',
id: 18,
settled: 'yes',
shareAmount: '17289.38',
tips: '200000.00 x 40% x (153/273) ',
removeSettledIds: [],
settledIds: []
},
{
canBeSettled: 'yes',
date: '2020-08-01',
id: 19,
settled: 'yes',
shareAmount: '17289.38',
tips: '200000.00 x 40% x (153/273) ',
removeSettledIds: [],
settledIds: []
},
{
canBeSettled: 'yes',
date: '2021-03-01',
id: 20,
settled: 'no',
shareAmount: '17289.38',
tips: '200000.00 x 40% x (153/273) ',
removeSettledIds: [20,21,22],
settledIds: [20]
},
{
canBeSettled: 'yes',
date: '2021-08-01',
id: 21,
settled: 'no',
shareAmount: '17289.38',
tips: '200000.00 x 40% x (153/273) ',
removeSettledIds: [21,22],
settledIds: [20,21]
},
{
canBeSettled: 'yes',
date: '2022-03-01',
id: 22,
settled: 'no',
shareAmount: '17289.38',
tips: '200000.00 x 40% x (153/273) ',
removeSettledIds: [22],
settledIds: [20,21,22]
},
{
canBeSettled: 'yes',
date: '2022-08-01',
id: 23,
settled: 'no',
shareAmount: '44835.16',
tips: '200000.00 x 40% x (153/273) ',
removeSettledIds: [],
settledIds: []
},
{
canBeSettled: 'no',
date: '2023-03-01',
id: 24,
settled: 'no',
shareAmount: '17875.46',
tips: '200000.00 x 40% x (153/273) ',
removeSettledIds: [],
settledIds: []
},
]
这样的数据结构可以轻松通过chcekbox的checked属性和onChange熟悉来控制该组件,实现联动的效果
const [settlementId, setSettlementId] = useState<number[]>([])
return (
{
mockFilter.map(value=>{
<Checkbox
disabled={value.canBeSettled === 'no' || overToday}
checked={settlementId.includes(value.id)}
onChange={(e) => {
if (e.target.checked) {
setSettlementId([...settlementId, ...value?.settledIds])
} else {
setSettlementId(settlementId.filter((item) => value?.removeSettledIds.includes(item)))
}
}}
/>
})
}
)
标签:40%,checkbox,reduce,canBeSettled,勾选,date,yes,settled,id 来源: https://www.cnblogs.com/kangxinzhi/p/16423276.html
本站声明: 1. iCode9 技术分享网(下文简称本站)提供的所有内容,仅供技术学习、探讨和分享; 2. 关于本站的所有留言、评论、转载及引用,纯属内容发起人的个人观点,与本站观点和立场无关; 3. 关于本站的所有言论和文字,纯属内容发起人的个人观点,与本站观点和立场无关; 4. 本站文章均是网友提供,不完全保证技术分享内容的完整性、准确性、时效性、风险性和版权归属;如您发现该文章侵犯了您的权益,可联系我们第一时间进行删除; 5. 本站为非盈利性的个人网站,所有内容不会用来进行牟利,也不会利用任何形式的广告来间接获益,纯粹是为了广大技术爱好者提供技术内容和技术思想的分享性交流网站。