日期选择简化版今日、本周、本月、本季度、本年

function 未来之窗_时间_现在() {let date = new Date(),year = date.getFullYear(), //获取完整的年份(4位)month = date.getMonth() + 1, //获取当前月份(0-11,0代表1月)strDate = date.getDate() // 获取当前日(1-31),小时 = date.getHours(),分钟 = date.getMinutes();if (month < 10) month = `0${month}` // 如果月份是个位数，在前面补0if (strDate < 10) strDate = `0${strDate}` // 如果日是个位数，在前面补0return `${year}年${month}月${strDate}日${小时}-${分钟}`
}function 未来之窗_随机_数(n,m) {return Math.floor(Math.random() * (n - m)) + m  // 8~100;
}function 未来之窗_IO_表格二进制(s) {var buf = new ArrayBuffer(s.length);var view = new Uint8Array(buf);for (var i=0; i<s.length; i++) view[i] = s.charCodeAt(i) & 0xFF;return buf;
}function  未来之窗_人工智能_EXCEL_下载(网页表格id,文件名){let 未来之窗excel全文本参数 = {raw:true};let ws = XLSX.utils.table_to_sheet(document.getElementById(网页表格id),未来之窗excel全文本参数)var 数据表单workbook = XLSX.utils.book_new();XLSX.utils.book_append_sheet(数据表单workbook, ws, '未来之窗人工智能')//	var cell = 数据表单worksheet['B2'];//   console.log(cell.v); // 输出 A1 单元格的值//	var cellAddress = 'F2';//  var cellRef = 数据表单worksheet[cellAddress];//  cellRef.v = 'Hello, world!';//   console.log(cellRef.v); // 输出 A1 单元格的值var wbout = XLSX.write(数据表单workbook, {bookType:'xlsx', type:'binary'});var 时间串=未来之窗_时间_现在();//  console.log(wbout);saveAs(new Blob([未来之窗_IO_表格二进制(wbout)],{type:"application/octet-stream"}), 文件名+"未来之窗人工智能AIExcel-"+时间串+"-未来之窗.xlsx");}</script><script>const dateRangeSelect = document.getElementById('date-range-select');dateRangeSelect.addEventListener('change', function () {const selectedValue = this.value;let selectedDate;let startDate, endDate;const today = new Date();switch (selectedValue) {case 'today':selectedDate = new Date();startDate = new Date(today);endDate = new Date(today);break;case 'this-week':const currentDay = today.getDay();var 未来之窗周 = currentDay-1;selectedDate = new Date(today.getTime() - 未来之窗周 * 24 * 60 * 60 * 1000);startDate = new Date(today.getTime() - 未来之窗周 * 24 * 60 * 60 * 1000);endDate = new Date(today);break;case 'this-month':selectedDate = new Date(new Date().getFullYear(), new Date().getMonth(), 1);startDate = new Date(today.getFullYear(), today.getMonth(), 1);endDate = new Date(today);break;case 'this-quarter':const quarterStartMonth = Math.floor((new Date().getMonth() / 3)) * 3;selectedDate = new Date(new Date().getFullYear(), quarterStartMonth, 1);startDate = new Date(today.getFullYear(), quarterStartMonth, 1);endDate = new Date(today);break;case 'this-year':selectedDate = new Date(new Date().getFullYear(), 0, 1);startDate = new Date(today.getFullYear(), 0, 1);endDate = new Date(today);break;}const year开始 = startDate.getFullYear();const month开始 = startDate.getMonth() + 1; // 月份从 0 开始，所以要加 1const day开始 = startDate.getDate();var 日期开始=year开始+"-"+month开始.toString().padStart(2, '0')+"-"+day开始.toString().padStart(2, '0');const year结束 = endDate.getFullYear();const month结束 = endDate.getMonth() + 1; // 月份从 0 开始，所以要加 1const day结束 = endDate.getDate();var 日期结束=year结束+"-"+month结束.toString().padStart(2, '0')+"-"+day结束.toString().padStart(2, '0');$("#time_start_isfinish").val(日期开始);$("#time_end_isfinish").val(日期结束);
});