Ajax实现弹出式无刷新城市选择功能代码
程序员文章站
2023-11-09 19:34:28
本文实例讲述了ajax实现弹出式无刷新城市选择功能。分享给大家供大家参考。具体如下：
这是一款很棒的全国城市选择效果，添加城市时先添加组：找到id是"selectsub"...
本文实例讲述了ajax实现弹出式无刷新城市选择功能。分享给大家供大家参考。具体如下：
这是一款很棒的全国城市选择效果，添加城市时先添加组：找到id是"selectsub"中select标签下，添加option标签，value属性递增，找到id是"selectsub"，按照原有格式添加div，其id属性递增；然后添加二级副选框选项：复制id是"selectsub"下任意input标签，粘贴在需要添加的位置即可，你想扩展的话，配合动态语言完全可以将城市从数据库中读取出来。
运行效果截图如下：
在线演示地址如下：
具体代码如下：
<!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>
<title>ajax弹出式无刷新城市选择特效</title>
<meta http-equiv="content-type" content="text/html;charset=gb2312">
<style type="text/css">
body {
font-size: 12px; padding-top: 50px
}
h2 {
padding-right: 0px; padding-left: 0px; font-weight: bold; font-size: 12px; padding-bottom: 0px; margin: 0px; padding-top: 0px
}
.bton {
border-right: #ccc 1px solid; border-top: #ccc 1px solid; background: #ddd; border-left: #ccc 1px solid; border-bottom: #ccc 1px solid
}
.cont {
padding-right: 10px; padding-left: 10px; padding-bottom: 10px; padding-top: 10px
}
#main {
margin: 0px auto; width: 400px
}
#selectitem {
border-right: #000 1px solid; border-top: #000 1px solid; margin-top: 10px; z-index: 2; background: #fff; overflow: hidden; border-left: #000 1px solid; width: 400px; border-bottom: #000 1px solid; position: absolute; top: 0px
}
#preview {
border-right: #ccc 1px solid; border-top: #ccc 1px solid; margin: 1px; border-left: #ccc 1px solid; border-bottom: #ccc 1px solid
}
#result {
border-right: #ccc 1px solid; border-top: #ccc 1px solid; margin-top: 10px; border-left: #ccc 1px solid; border-bottom: #ccc 1px solid
}
.tit {
padding-left: 10px; margin: 1px; line-height: 20px; height: 20px
}
.bgc_ccc {
background: #ccc
}
.bgc_eee {
background: #eee
}
.c_999 {
color: #999
}
.pointer {
cursor: pointer
}
.left {
float: left
}
.right {
float: right
}
.cls {
clear: both; font-size: 0px; overflow: hidden; height: 0px
}
#bg {
display: none; z-index: 1; background: #ccc; filter: alpha(opacity=70); left: 0px; width: 100%; position: absolute; top: 0px; opacity: 0.7
}
.hidden {
display: none
}
.move {
cursor: move
}
</style>
</head>
<body>
<div id="main">
<input class="bton pointer" onclick="openbg(1);openselect(1)" type="button" value="请选择" name="button">
<div id="result">
<div class="tit bgc_eee">
<h2>您已选择的城市汇总</h2>
</div>
<div class="cont" id="makesureitem"></div>
</div>
</div>
<div id="bg"></div>
<div class="hidden" id="selectitem">
<div class="tit bgc_ccc move" onmousedown="drag(event,this)">
<h2 class="left">请选择城市：</h2>
<span class="pointer right" onclick="openbg(0);openselect(0);">[取消]</span>
<span class="pointer right" onclick="makesure();">[确定]</span>
</div>
<div class="cls"></div>
<div class="cont">
<div id="selectsub">
<select style="margin-bottom: 10px" onchange="showselect(this.value)" name="">
<option value="0" selected>中国名城</option>
<option value="1">魅力城市</option>
<option value="2">东北三省</option>
<option value="3">世界城市</option>
</select>
<div id="c00">
<input onclick="addpreitem()" type="checkbox" value="北京" name="ck00">北京
<input onclick="addpreitem()" type="checkbox" value="福建" name="ck00">福建
<input onclick="addpreitem()" type="checkbox" value="四川" name="ck00">四川
<input onclick="addpreitem()" type="checkbox" value="江苏" name="ck00">江苏
</div>
<div id="c01">
<input onclick="addpreitem()" type="checkbox" value="上海" name="ck01">上海
<input onclick="addpreitem()" type="checkbox" value="云南" name="ck01">云南
<input onclick="addpreitem()" type="checkbox" value="贵州" name="ck01">贵州
</div>
<div id="c02">
<input onclick="addpreitem()" type="checkbox" value="黑龙江" name="ck01">黑龙江
<input onclick="addpreitem()" type="checkbox" value="吉林" name="ck01">吉林
<input onclick="addpreitem()" type="checkbox" value="辽宁" name="ck01">辽宁
</div>
<div id="c03">
<input onclick="addpreitem()" type="checkbox" value="美国" name="ck01">美国
<input onclick="addpreitem()" type="checkbox" value="阿富汗" name="ck01">阿富汗
<input onclick="addpreitem()" type="checkbox" value="日本" name="ck01">日本
</div>
</div>
</div>
<div id="preview">
<div class="tit bgc_eee c_999">
<h2>您已选择：</h2>
</div>
<div class="cont" id="previewitem"></div>
</div>
</div>
<script type="text/javascript">
var grow = $("selectsub").getelementsbytagname("option").length; //组数
var showgrow = 0;//已打开组
var selectcount = 0; //已选数量
showselect(showgrow);
var items = $("selectsub").getelementsbytagname("input");
function $(o){
if(typeof(o) == "string")
return document.getelementbyid(o);
return o;
}
function openbg(state){
if(state == 1)
{
$("bg").style.display = "block";
var h = document.body.offsetheight > document.documentelement.offsetheight ? document.body.offsetheight : document.documentelement.offsetheight;
$("bg").style.height = h + "px";
}
else
{
$("bg").style.display = "none";
}
}
function openselect(state){
if(state == 1)
{
$("selectitem").style.display = "block";
$("selectitem").style.left = ($("bg").offsetwidth - $("selectitem").offsetwidth)/2 + "px";
$("selectitem").style.top = document.body.scrolltop + 100 + "px";
}
else
{
$("selectitem").style.display = "none";
}
}
function showselect(id){
for(var i = 0 ; i < grow ;i++)
{
$("c0" + i).style.display = "none";
}
$("c0" + id).style.display = "block";
showgrow = id;
}
function open(id,state){
if(state == 1)
$(id).style.display = "block";
$(id).style.diaplay = "none";
}
function addpreitem(){
$("previewitem").innerhtml = "";
var len = 0 ;
for(var i = 0 ; i < items.length ; i++)
{
if(items[i].checked == true)
{
var mes = "<input type='checkbox' checked='true' value='"+ items[i].value +"' onclick='copyitem(\"previewitem\",\"previewitem\");same(this);'>" + items[i].value;
$("previewitem").innerhtml += mes;
}
}
}
function makesure(){
openbg(0);
openselect(0);
copyitem("previewitem","makesureitem")
}
function copyhtml(id1,id2){
$(id2).innerhtml = $("id1").innerhtml;
}
function copyitem(id1,id2){
var mes = "";
var items2 = $(id1).getelementsbytagname("input");
for(var i = 0 ; i < items2.length ; i++)
{
if(items2[i].checked == true)
{
mes += "<input type='checkbox' checked='true' value='"+ items2[i].value +"' onclick='copyitem(\"" + id2+ "\",\""+ id1 +"\");same(this);'>" + items2[i].value;
}
}
$(id2).innerhtml = "";
$(id2).innerhtml += mes;
}
function same(ck){
for(var i = 0 ; i < items.length ; i++)
{
if(ck.value == items[i].value)
{
items[i].checked = ck.checked;
}
}
}
var odrag = "";
var ox,oy,nx,ny,dy,dx;
function drag(e,o){
var e = e ? e : event;
var moused = document.all ? 1 : 0;
if(e.button == moused)
{
odrag = o.parentnode;
ox = e.clientx;
oy = e.clienty;
}
}
function dragpro(e){
if(odrag != "")
{
var e = e ? e : event;
dx = parseint($(odrag).style.left);
dy = parseint($(odrag).style.top);
nx = e.clientx;
ny = e.clienty;
$(odrag).style.left = (dx + ( nx - ox )) + "px";
$(odrag).style.top = (dy + ( ny - oy )) + "px";
ox = nx;
oy = ny;
}
}
document.onmouseup = function(){odrag = "";}
document.onmousemove = function(event){dragpro(event);}
</script>
</body>
</html>
希望本文所述对大家的ajax程序设计有所帮助。
下一篇： Cisco路由器的初始配置详细解读