JQuery年月日三級聯動(生日)
阿新 • • 發佈：2018-12-30
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>jQuery年月日三級聯動(生日)</title> <style type="text/css"> .demo{width:380px; margin:80px 0 0 350px;} .demo p{line-height:40px; font-size:16px} </style> </head> <body> <div class="container"> <div class="demo"> <p> 新增：<br/> <label>生日：</label> <select id="select_year" name="year"></select>年 <select id="select_month" name="month"></select>月 <select id="select_day" name="day"></select>日 </p> <p> 修改【rel】：<br/> <label>生日：</label> <select id="select_year2" rel="2015" name="year2"></select>年 <select id="select_month2" rel="12" name="month2"></select>月 <select id="select_day2" rel="13" name="day2"></select>日 </p> </div> </div> <script src="http://code.jquery.com/jquery-latest.js"></script> <script language="javascript"> (function($){ $.extend({ ms_DatePicker: function (options) { var defaults = { YearSelector: "#sel_year", MonthSelector: "#sel_month", DaySelector: "#sel_day", FirstText: "--", FirstValue: 0 }; var opts = $.extend({}, defaults, options); var $YearSelector = $(opts.YearSelector); var $MonthSelector = $(opts.MonthSelector); var $DaySelector = $(opts.DaySelector); var FirstText = opts.FirstText; var FirstValue = opts.FirstValue; // 初始化 var str = "<option value=\"" + FirstValue + "\">" + FirstText + "</option>"; $YearSelector.html(str); $MonthSelector.html(str); $DaySelector.html(str); // 年份列表 var yearNow = new Date().getFullYear(); var yearSel = $YearSelector.attr("rel"); for (var i = yearNow; i >= 1900; i--) { var sed = yearSel==i?"selected":""; var yearStr = "<option value=\"" + i + "\" " + sed+">" + i + "</option>"; $YearSelector.append(yearStr); } // 月份列表 var monthSel = $MonthSelector.attr("rel"); for (var i = 1; i <= 12; i++) { var sed = monthSel==i?"selected":""; var monthStr = "<option value=\"" + i + "\" "+sed+">" + i + "</option>"; $MonthSelector.append(monthStr); } // 日列表(僅當選擇了年月) function BuildDay() { if ($YearSelector.val() == 0 || $MonthSelector.val() == 0) { // 未選擇年份或者月份 $DaySelector.html(str); } else { $DaySelector.html(str); var year = parseInt($YearSelector.val()); var month = parseInt($MonthSelector.val()); var dayCount = 0; switch (month) { case 1: case 3: case 5: case 7: case 8: case 10: case 12: dayCount = 31; break; case 4: case 6: case 9: case 11: dayCount = 30; break; case 2: dayCount = 28; if ((year % 4 == 0) && (year % 100 != 0) || (year % 400 == 0)) { dayCount = 29; } break; default: break; } var daySel = $DaySelector.attr("rel"); for (var i = 1; i <= dayCount; i++) { var sed = daySel==i?"selected":""; var dayStr = "<option value=\"" + i + "\" "+sed+">" + i + "</option>"; $DaySelector.append(dayStr); } } } $MonthSelector.change(function () { BuildDay(); }); $YearSelector.change(function () { BuildDay(); }); if($DaySelector.attr("rel")!=""){ BuildDay(); } } // End ms_DatePicker }); })(jQuery); </script> <script language="javascript"> $(function() { $.ms_DatePicker({ YearSelector: "#select_year", MonthSelector: "#select_month", DaySelector: "#select_day" }); $.ms_DatePicker({ YearSelector: "#select_year2", MonthSelector: "#select_month2", DaySelector: "#select_day2" }); }); </script> </body> </html>