/**生日下拉框
*把sel_year、sel_month、sel_day修改即可*/
var birthday1 ={
date_picker: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 = "" + FirstText + "";
$YearSelector.html(str);
$MonthSelector.html(str);
$DaySelector.html(str);//年份列表
var yearNow = newDate().getFullYear();var yearSel = $YearSelector.attr("rel");for (var i = yearNow; i >= 1900; i--) {var sed = yearSel==i?"selected":"";var yearStr = "" + i + "";
$YearSelector.append(yearStr);
}//月份列表
var monthSel = $MonthSelector.attr("rel");for (var i = 1; i <= 12; i++) {var monthStr=null;var sed = monthSel==i?"selected":"";if(i<10){
monthStr="" + '0' +i + "";
}else{
monthStr= "" +i + "";
}
$MonthSelector.append(monthStr);
}//日列表(仅当选择了年月)
functionBuildDay() {if ($YearSelector.val() == 0 || $MonthSelector.val() == 0) {//未选择年份或者月份
$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 = $DaySelector.attr("rel");for (var i = 1; i <= dayCount; i++) {var dayStr=null;var sed = daySel==i?"selected":"";if(i<10){
dayStr= "" + +'0'+i + "";//dayStr =`0${i}`
}else{
dayStr= "" + i + "";//dayStr =`${i}`
}
$DaySelector.append(dayStr);
}
}
}
$MonthSelector.change(function() {
BuildDay();
});
$YearSelector.change(function() {
BuildDay();
});if($DaySelector.attr("rel")!=""){
BuildDay();
}
}
}
