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29 lines
969 B
29 lines
969 B
3 years ago
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import isValidDate from './isValidDate';
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import parseDate from './parseDate';
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import formatDate from './formatDate';
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/**
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* @description: 格式化日期为今天，明天，后天，周几
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* @param {Date | String | Number} date
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* @param {Number} num 0,1,2,3
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* @return {String}
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* @example formatDay(new Date())
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*/
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export default function formatDay(date, num) {
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if (!isValidDate((date = parseDate(date)))) return '';
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num = parseInt(num) || 1;
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const nowTime = new Date(formatDate(new Date(), 'YYYY/MM/DD')).getTime();
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const dayTime = 24 * 60 * 60 * 1000;
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const dateTime = new Date(formatDate(date, 'YYYY/MM/DD')).getTime();
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const dayName = (
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[
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{ label: '今天', value: nowTime },
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{ label: '明天', value: nowTime + dayTime },
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{ label: '后天', value: nowTime + dayTime * 2 },
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]
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.slice(0, num)
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.find(item => item.value == dateTime) || { label: '' }
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).label;
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return formatDate(date, `${dayName || '周E'}`);
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}
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