JavaScript实现年月日三级联动
2016-12-30 20:36
459 查看
初学Javascript,,写了一个实现年月日三级联动的小程序,记录一下:
<html>
<head>
<title>年月日</title>
</head>
<body>
请选择年份
<select id="years" onchange="showDate()">
<option name="year" value="1900">1900</option>
</select>年
请选择月份
<select id="months" onchange="showDate()">
<option name="month" value="1">1</option>
</select>月
请选择日期
<select id="dates">
<option>1</option>
</select>日
</body>
<script type="text/javascript">
//onclick获得改变前的值。onchange获取改变后的值。
var yearNode = document.getElementById("years");
for (var year1=1901; year1<=2016; year1++) {
var option1 = document.createElement("option");
option1.innerHTML = year1;
option1.setAttribute("value",year1);
yearNode.appendChild(option1);
}
var monthNode = document.getElementById("months");
for (var month1=2; month1<=12; month1++) {
var option2 = document.createElement("option");
option2.setAttribute("value",month1);
option2.innerHTML = month1;
monthNode.appendChild(option2);
}
function calculateDate(ddValue){
var dateNode = document.getElementById("dates");
dateNode.options.length = 1;
for (var date1=2; date1<=ddValue; date1++) {
var option3 = document.createElement("option");
option3.setAttribute("value",date1);
option3.innerHTML = date1;
dateNode.appendChild(option3);
}
}
//当年份或者月份改变的时候,就运行showDate()
function showDate(){
var mon = parseInt(document.getElementById("months").value);
var yea = parseInt(document.getElementById("years").value);
switch (mon) {
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12:
{
calculateDate(31);
}
break;
case 4:
case 6:
case 9:
case 11:
{
calculateDate(30);
}
break;
case 2:
{
if((0==yea%4 && 0!=yea%100) ||(0==yea%400))
{
calculateDate(29);
}
else
{
calculateDate(28);
}
}
}
}
</script>
</html>
<html>
<head>
<title>年月日</title>
</head>
<body>
请选择年份
<select id="years" onchange="showDate()">
<option name="year" value="1900">1900</option>
</select>年
请选择月份
<select id="months" onchange="showDate()">
<option name="month" value="1">1</option>
</select>月
请选择日期
<select id="dates">
<option>1</option>
</select>日
</body>
<script type="text/javascript">
//onclick获得改变前的值。onchange获取改变后的值。
var yearNode = document.getElementById("years");
for (var year1=1901; year1<=2016; year1++) {
var option1 = document.createElement("option");
option1.innerHTML = year1;
option1.setAttribute("value",year1);
yearNode.appendChild(option1);
}
var monthNode = document.getElementById("months");
for (var month1=2; month1<=12; month1++) {
var option2 = document.createElement("option");
option2.setAttribute("value",month1);
option2.innerHTML = month1;
monthNode.appendChild(option2);
}
function calculateDate(ddValue){
var dateNode = document.getElementById("dates");
dateNode.options.length = 1;
for (var date1=2; date1<=ddValue; date1++) {
var option3 = document.createElement("option");
option3.setAttribute("value",date1);
option3.innerHTML = date1;
dateNode.appendChild(option3);
}
}
//当年份或者月份改变的时候,就运行showDate()
function showDate(){
var mon = parseInt(document.getElementById("months").value);
var yea = parseInt(document.getElementById("years").value);
switch (mon) {
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12:
{
calculateDate(31);
}
break;
case 4:
case 6:
case 9:
case 11:
{
calculateDate(30);
}
break;
case 2:
{
if((0==yea%4 && 0!=yea%100) ||(0==yea%400))
{
calculateDate(29);
}
else
{
calculateDate(28);
}
}
}
}
</script>
</html>
相关文章推荐
- javascript实现的年月日三级联动
- asp.net实现DropDownList、ListBox无刷新三级联动(javascript)
- Javascript语言用3个列表框(select)实现的年、月、日三级联动
- (转)javascript实现全国省市县三级联动
- Javascript 单数组实现列表框两级联动三级联动 By shawl.qiu
- JavaScript解析XML实现省市县三级联动
- JavaScript实现DropDownList(Select)三级联动无刷新
- JavaScript实现省市县三级联动效果~~~
- js实现三级联动-年月日
- JavaScript实现省市县三级联动效果~~~
- 年月日三级联动实现
- javascript 年月日联动实现核心代码
- JavaScript实现三级联动
- 使用javascript解析xml实现省市县三级联动
- javascript实现年月日的联动效果
- asp.net实现DropDownList、ListBox无刷新三级联动(javascript)
- 年月日三级联动 javascript
- php+javascript实现三级联动
- javascript+xml实现简单的省市县三级联动
- javascript实现简单的省市区三级联动