js 日历控件

js文件里的代码：

< !--

var cal;

var isFocus=false; //是否为焦点

//function SelectDate(obj,strFormat) //两个参数改为只传一个

function SelectDate(obj) var date = new Date();

var by = date.getFullYear()-10; //最小值 → 10 年前

var ey = date.getFullYear()+10; //最大值 → 10 年后

cal = (cal==null) ? new Calendar(by, ey, 0) : cal; //初始化为中文版，1为英文版

//cal.dateFormatStyle = strFormat; // 默认显示格式为:yyyy-MM-dd ,还可显示yyyy/MM/dd

cal.show(obj);

} String.prototype.toDate = function(style){

var y = this.substring(style.indexOf('y'),style.lastIndexOf('y')+1);//年

var m = this.substring(style.indexOf('M'),style.lastIndexOf('M')+1);//月

var d = this.substring(style.indexOf('d'),style.lastIndexOf('d')+1);//日

if(isNaN(y)) y = new Date().getFullYear();

if(isNaN(m)) m = new Date().getMonth();

if(isNaN(d)) d = new Date().getDate();

var dt ;

eval_r("dt = new Date('"+ y+"', '"+(m-1)+"','"+ d +"')");

return dt;

} Date.prototype.format = function(style){

var o = {

"M+" : this.getMonth() + 1, //month

"d+" : this.getDate(), //day

"h+" : this.getHours(), //hour

"m+" : this.getMinutes(), //minute

"s+" : this.getSeconds(), //second

"w+" : "天一二三四五六".charAt(this.getDay()), //week

"q+" : Math.floor((this.getMonth() + 3) / 3), //quarter

"S" : this.getMilliseconds() //millisecond if(/(y+)/.test(style)){

style = style.replace(RegExp.$1,

(this.getFullYear() + "").substr(4 - RegExp.$1.length)); for(var k in o){

if(new RegExp("("+ k +")").test(style)){

style = style.replace(RegExp.$1,

RegExp.$1.length == 1 ? o[k] :

("00" + o[k]).substr(("" + o[k]).length)); }

return style; function Calendar(beginYear, endYear, lang, dateFormatStyle){

this.beginYear = 1990;

this.endYear = 2010;

this.lang = 0; //0(中文) | 1(英文)

this.dateFormatStyle = "yyyy-MM-dd"; if (beginYear != null && endYear != null){

this.beginYear = beginYear;

this.endYear = endYear; if (lang != null){

this.lang = lang

} if (dateFormatStyle != null){

this.dateFormatStyle = dateFormatStyle

} this.dateControl = null;

this.panel = this.getElementById("calendarPanel");

this.container = this.getElementById("ContainerPanel");

this.form = null; this.date = new Date();

this.year = this.date.getFullYear();

this.month = this.date.getMonth();

this.colors = {

"cur_word" : "#FFFFFF", //当日日期文字颜色

"cur_bg" : "#83A6F4", //当日日期单元格背影色

"sel_bg" : "#FFCCCC", //已被选择的日期单元格背影色

"sun_word" : "#FF0000", //星期天文字颜色

"sat_word" : "#0000FF", //星期六文字颜色

"td_word_light" : "#333333", //单元格文字颜色

"td_word_dark" : "#CCCCCC", //单元格文字暗色

"td_bg_out" : "#EFEFEF", //单元格背影色

"td_bg_over" : "#FFCC00", //单元格背影色

"tr_word" : "#FFFFFF", //日历头文字颜色

"tr_bg" : "#666666", //日历头背影色

"input_border" : "#CCCCCC", //input控件的边框颜色

"input_bg" : "#EFEFEF" //input控件的背影色

}this.draw();

this.bindYear();

this.bindMonth();

this.changeSelect();

this.bindData(); Calendar.language ={

"year" : [[""], [""]],

"months" : [["一月","二月","三月","四月","五月","六月","七月","八月","九月","十月","十一月","十二月"],

["JAN","FEB","MAR","APR","MAY","JUN","JUL","AUG","SEP","OCT","NOV","DEC"] "weeks" : [["日","一","二","三","四","五","六"],

["SUN","MON","TUR","WED","THU","FRI","SAT"] "clear" : [["清空"], ["CLS"]],

"today" : [["今天"], ["TODAY"]],

"close" : [["关闭"], ["CLOSE"]]

} Calendar.prototype.draw = function(){

calendar = this; var mvAry = [];

mvAry[mvAry.length] = ' <div name="calendarForm" style="margin: 0px;">';

mvAry[mvAry.length] = ' < table width="100%" border="0" cellpadding="0" cellspacing="1">';

mvAry[mvAry.length] = ' < tr>';

mvAry[mvAry.length] = ' < th align="left" width="1%"><input style="border: 1px solid ' + calendar.colors["input_border"] + ';background-color:' + calendar.colors["input_bg"] + ';width:16px;height:20px;" name="prevMonth" type="button" id="prevMonth" value="<"
/></th>';

mvAry[mvAry.length] = ' < th align="center" width="98%" nowrap="nowrap"><select name="calendarYear" id="calendarYear" style="font-size:12px;"></select><select name="calendarMonth" id="calendarMonth" style="font-size:12px;"></select></th>';

mvAry[mvAry.length] = ' < th align="right" width="1%"><input style="border: 1px solid ' + calendar.colors["input_border"] + ';background-color:' + calendar.colors["input_bg"] + ';width:16px;height:20px;" name="nextMonth" type="button" id="nextMonth" value=">"
/></th>';

mvAry[mvAry.length] = ' < /tr>';

mvAry[mvAry.length] = ' < /table>';

mvAry[mvAry.length] = ' < table id="calendarTable" width="100%" style="border:0px solid #CCCCCC;background-color:#FFFFFF" border="0" cellpadding="3" cellspacing="1">';

mvAry[mvAry.length] = ' < tr>';

for(var i = 0; i < 7; i++){

mvAry[mvAry.length] = ' < th style="font-weight:normal;background-color:' + calendar.colors["tr_bg"] + ';color:' + calendar.colors["tr_word"] + ';">' + Calendar.language["weeks"][this.lang][i] + '</th>'; mvAry[mvAry.length] = ' < /tr>';

for(var i = 0; i < 6;i++){

mvAry[mvAry.length] = ' < tr align="center">';

for(var j = 0; j < 7; j++){

if (j == 0){

mvAry[mvAry.length] = ' <td style="cursor:default;color:' + calendar.colors["sun_word"] + ';"></td>';

} else if(j == 6){

mvAry[mvAry.length] = ' <td style="cursor:default;color:' + calendar.colors["sat_word"] + ';"></td>';

} else{

mvAry[mvAry.length] = ' <td style="cursor:default;"></td>'; }

mvAry[mvAry.length] = ' < /tr>'; mvAry[mvAry.length] = ' < tr style="background-color:' + calendar.colors["input_bg"] + ';">';

mvAry[mvAry.length] = ' < th colspan="2"><input name="calendarClear" type="button" id="calendarClear" value="' + Calendar.language["clear"][this.lang] + '" style="border: 1px solid ' + calendar.colors["input_border"] + ';background-color:' + calendar.colors["input_bg"]
+ ';width:100%;height:20px;font-size:12px;"/></th>';

mvAry[mvAry.length] = ' < th colspan="3"><input name="calendarToday" type="button" id="calendarToday" value="' + Calendar.language["today"][this.lang] + '" style="border: 1px solid ' + calendar.colors["input_border"] + ';background-color:' + calendar.colors["input_bg"]
+ ';width:100%;height:20px;font-size:12px;"/></th>';

mvAry[mvAry.length] = ' < th colspan="2"><input name="calendarClose" type="button" id="calendarClose" value="' + Calendar.language["close"][this.lang] + '" style="border: 1px solid ' + calendar.colors["input_border"] + ';background-color:' + calendar.colors["input_bg"]
+ ';width:100%;height:20px;font-size:12px;"/></th>';

mvAry[mvAry.length] = ' < /tr>';

mvAry[mvAry.length] = ' < /table>';

mvAry[mvAry.length] = '< /div>'; this.panel.innerHTML = mvAry.join(""); var obj = this.getElementById("prevMonth");

obj.onclick = function (){calendar.goPrevMonth(calendar);}

obj.onblur = function (){calendar.onblur();}

this.prevMonth= obj; obj = this.getElementById("nextMonth");

obj.onclick = function (){calendar.goNextMonth(calendar);}

obj.onblur = function (){calendar.onblur();}

this.nextMonth= obj;

obj = this.getElementById("calendarClear");

obj.onclick = function (){calendar.dateControl.value = "";calendar.hide();}

this.calendarClear = obj; obj = this.getElementById("calendarClose");

obj.onclick = function (){calendar.hide();}

this.calendarClose = obj; obj = this.getElementById("calendarYear");

obj.onchange = function (){calendar.update(calendar);}

obj.onblur = function (){calendar.onblur();}

this.calendarYear = obj; obj = this.getElementById("calendarMonth");

with(obj) onchange = function (){calendar.update(calendar);}

onblur = function (){calendar.onblur();}

}this.calendarMonth = obj; obj = this.getElementById("calendarToday");

obj.onclick = function (){

var today = new Date();

calendar.date = today;

calendar.year = today.getFullYear();

calendar.month = today.getMonth();

calendar.changeSelect();

calendar.bindData();

calendar.dateControl.value = today.format(calendar.dateFormatStyle);

calendar.hide(); this.calendarToday = obj; Calendar.prototype.bindYear = function(){

var cy = this.calendarYear;

cy.length = 0;

for (var i = this.beginYear; i <= this.endYear; i++){

cy.options[cy.length] = new Option(i + Calendar.language["year"][this.lang], i); } //月份下拉框绑定数据

Calendar.prototype.bindMonth = function(){

var cm = this.calendarMonth;

cm.length = 0;

for (var i = 0; i < 12; i++){

cm.options[cm.length] = new Option(Calendar.language["months"][this.lang][i], i); } //向前一月

Calendar.prototype.goPrevMonth = function(e){

if (this.year == this.beginYear && this.month == 0){return;}

this.month--;

if (this.month == -1){

this.year--;

this.month = 11; this.date = new Date(this.year, this.month, 1);

this.changeSelect();

this.bindData(); Calendar.prototype.goNextMonth = function(e){

if (this.year == this.endYear && this.month == 11){return;}

this.month++;

if (this.month == 12){

this.year++;

this.month = 0; this.date = new Date(this.year, this.month, 1);

this.changeSelect();

this.bindData();

} //改变SELECT选中状态

Calendar.prototype.changeSelect = function(){

var cy = this.calendarYear;

var cm = this.calendarMonth;

for (var i= 0; i < cy.length; i++){

if (cy.options[i].value == this.date.getFullYear()){

cy[i].selected = true;

break; }

for (var i= 0; i < cm.length; i++){

if (cm.options[i].value == this.date.getMonth()){

cm[i].selected = true;

break; } Calendar.prototype.update = function (e){

this.year = e.calendarYear.options[e.calendarYear.selectedIndex].value;

this.month = e.calendarMonth.options[e.calendarMonth.selectedIndex].value;

this.date = new Date(this.year, this.month, 1);

this.changeSelect();

this.bindData(); Calendar.prototype.bindData = function (){

var calendar = this;

var dateArray = this.getMonthViewArray(this.date.getFullYear(), this.date.getMonth());

var tds = this.getElementById("calendarTable").getElementsByTagName_r("td");

for(var i = 0; i < tds.length; i++){

tds[i].style.backgroundColor = calendar.colors["td_bg_out"];

tds[i].onclick = function () {return;}

tds[i].onmouseover = function () {return;}

tds[i].onmouseout = function () {return;}

if (i> dateArray.length - 1) break;

tds[i].innerHTML = dateArray[i];

if (dateArray[i] != " "){

tds[i].onclick = function () {

if (calendar.dateControl != null){

calendar.dateControl.value = new Date(calendar.date.getFullYear(),

calendar.date.getMonth(),

this.innerHTML).format(calendar.dateFormatStyle); calendar.hide(); tds[i].onmouseover = function () {

this.style.backgroundColor = calendar.colors["td_bg_over"]; tds[i].onmouseout = function () {

this.style.backgroundColor = calendar.colors["td_bg_out"]; if (new Date().format(calendar.dateFormatStyle) ==

new Date(calendar.date.getFullYear(),

calendar.date.getMonth(),

dateArray[i]).format(calendar.dateFormatStyle)) {

tds[i].style.backgroundColor = calendar.colors["cur_bg"];

tds[i].onmouseover = function () {

this.style.backgroundColor = calendar.colors["td_bg_over"]; tds[i].onmouseout = function () {

this.style.backgroundColor = calendar.colors["cur_bg"]; }//end if //设置已被选择的日期单元格背影色

if (calendar.dateControl != null && calendar.dateControl.value == new Date(calendar.date.getFullYear(),

calendar.date.getMonth(),

dateArray[i]).format(calendar.dateFormatStyle)) {

tds[i].style.backgroundColor = calendar.colors["sel_bg"];

tds[i].onmouseover = function () {

this.style.backgroundColor = calendar.colors["td_bg_over"]; tds[i].onmouseout = function () {

this.style.backgroundColor = calendar.colors["sel_bg"]; } } Calendar.prototype.getMonthViewArray = function (y, m) {

var mvArray = [];

var dayOfFirstDay = new Date(y, m, 1).getDay();

var daysOfMonth = new Date(y, m + 1, 0).getDate();

for (var i = 0; i < 42; i++) {

mvArray[i] = " "; for (var i = 0; i < daysOfMonth; i++){

mvArray[i + dayOfFirstDay] = i + 1; return mvArray;

} //扩展 document.getElementByIdx_x(id) 多浏览器兼容性 from meizz tree source

Calendar.prototype.getElementById = function(id){

if (typeof(id) != "string" || id == "") return null;

if (document.getElementByIdx_x) return document.getElementByIdx_x(id);

if (document.all) return document.all(id);

try {return eval_r(id);} catch(e){ return null;}

} //扩展 object.getElementsByTagName_r(tagName)

Calendar.prototype.getElementsByTagName = function(object, tagName){

if (document.getElementsByTagName) return document.getElementsByTagName_r(tagName);

if (document.all) return document.all.tags(tagName);

} //取得HTML控件绝对位置

Calendar.prototype.getAbsPoint = function (e){

var x = e.offsetLeft;

var y = e.offsetTop;

while(e = e.offsetParent){

x += e.offsetLeft;

y += e.offsetTop; return {"x": x, "y": y}; Calendar.prototype.show = function (dateObj, popControl) {

if (dateObj == null){

throw new Error("arguments[0] is necessary") this.dateControl = dateObj; this.date = (dateObj.value.length > 0) ? new Date(dateObj.value.toDate(this.dateFormatStyle)) : new Date() ;//若为空则显示当前月份

this.year = this.date.getFullYear();

this.month = this.date.getMonth();

this.changeSelect();

this.bindData();

if (popControl == null){

popControl = dateObj; var xy = this.getAbsPoint(popControl);

this.panel.style.left = xy.x -25 + "px";

this.panel.style.top = (xy.y + dateObj.offsetHeight) + "px"; this.panel.style.display = "";

this.container.style.display = ""; dateObj.onblur = function(){calendar.onblur();}

this.container.onmouseover = function(){isFocus=true;}

this.container.onmouseout = function(){isFocus=false;} Calendar.prototype.hide = function() {

this.panel.style.display = "none";

this.container.style.display = "none";

isFocus=false; Calendar.prototype.onblur = function() {

if(!isFocus){this.hide();} document.write('<div id="ContainerPanel" style="display:none;"><div id="calendarPanel" style="position: absolute;display: none;z-index: 9999;');

document.write('background-color: #FFFFFF;border: 1px solid #CCCCCC;width:175px;font-size:12px;margin-left:25px;"></div>');

if(document.all) document.write('<iframe style="position:absolute;z-index:2000;width:expression_r(this.previousSibling.offsetWidth);');

document.write('height:expression_r(this.previousSibling.offsetHeight);');

document.write('left:expression_r(this.previousSibling.offsetLeft);top:expression_r(this.previousSibling.offsetTop);');

document.write('display:expression_r(this.previousSibling.style.display);" scrolling="no" frameborder="no"></iframe>'); document.write('</div>');

//-->html文件里调用：

<script src="Calendar.js" type="text/javascript" language="javascript"></script>

时间：<input name="txtDate" type="text" style="padding-left:5px;" size="10" id="txtDate" value="" onclick="SelectDate(this)" readonly="readonly" />