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59 lines
1.7 KiB
JavaScript
59 lines
1.7 KiB
JavaScript
/**
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* 日期格式化工具函数
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*/
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/**
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* 将日期对象格式化为 YYYY-MM-DD 格式的字符串
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* @param {Date} date - 日期对象
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* @returns {string} 格式化后的日期字符串
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*/
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export function formatDate(date) {
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if (!date) return '';
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const year = date.getFullYear();
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const month = String(date.getMonth() + 1).padStart(2, '0');
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const day = String(date.getDate()).padStart(2, '0');
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return `${year}-${month}-${day}`;
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}
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/**
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* 将日期对象格式化为 YYYY-MM-DD HH:mm:ss 格式的字符串
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* @param {Date} date - 日期对象
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* @returns {string} 格式化后的日期时间字符串
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*/
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export function formatDateTime(date) {
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if (!date) return '';
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const year = date.getFullYear();
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const month = String(date.getMonth() + 1).padStart(2, '0');
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const day = String(date.getDate()).padStart(2, '0');
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const hours = String(date.getHours()).padStart(2, '0');
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const minutes = String(date.getMinutes()).padStart(2, '0');
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const seconds = String(date.getSeconds()).padStart(2, '0');
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return `${year}-${month}-${day} ${hours}:${minutes}:${seconds}`;
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}
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/**
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* 根据时间范围文字（如"近1年"）计算开始和结束日期
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* @param {string} timeRange - 时间范围文字
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* @returns {Object} 包含开始和结束日期的对象
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*/
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export function getDateRangeByTimeRange(timeRange) {
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const endDate = new Date();
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const startDate = new Date();
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if (timeRange === '近1年') {
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startDate.setFullYear(endDate.getFullYear() - 1);
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} else if (timeRange === '近2年') {
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startDate.setFullYear(endDate.getFullYear() - 2);
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} else if (timeRange === '近3年') {
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startDate.setFullYear(endDate.getFullYear() - 3);
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}
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return {
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start_date: formatDate(startDate),
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end_date: formatDate(endDate)
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};
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} |