<!doctype html>
<html>
<head>
<title></title>
<meta charset = "utf-8"/>
</head>
<style>
</style>
<body>
<select id="one">
<option value="">请选择省份</option>
</select>
<select id="two">
<option value="">请选择城市</option>
</select>
<select id="three">
<option value="">请选择区域</option>
</select>
<script type="text/javascript" src="js/jquery-1.12.0.js"></script>
<script type="text/javascript">
/*
1.搭建框架
2.给省份和城市绑定change事件
*/
$(function(){
var province = [
{"name" : "广东省" ,
"city" : [
{
"name" : "广州市" ,
"area" : ["越秀区","荔湾区","海珠区","天河区,白云区"]
},
{
"name" : "深圳市" ,
"area" : ["福田区","罗湖区","南山区","宝安区","龙岗区"]
}
]
},
{"name" : "浙江省" ,
"city" : [
{
"name" : "杭州市" ,
"area" : ["上城区","下城区","江干区","西湖区"]
},
{
"name" : "丽水" ,
"area" : ["莲都区","松阳县","遂昌县","云和县"]
}
]
},
{"name" : "江西省" ,
"city" : [
{
"name" : "南昌市" ,
"area" : ["东湖区","西湖区","青云谱区","湾里区"]
},
{
"name" : "九江市" ,
"area" : ["浔阳区","庐山区","瑞昌市","九江县"]
},
{
"name" : "赣州市" ,
"area" : ["章贡区","南康区","上犹县","赣县"]
}
]
},
]
// 二级联动
$("#two").change(function(){
var one_index = $("#one option:selected").index()
var two_index = $("#two option:selected").index()
var three = $("#three")
three.empty().append("<option>请选择区域</option>")
if(two_index > 0){
var area = province[one_index-1].city[two_index-1].area
for(var i = 0 i < area.length i++){
three.append("<option>"+area[i]+"</option>")
}
}
})
// 一级联动
$("#one").change(function(){
var one_index = $("#one option:selected").index()
var two = $("#two")
console.log(one_index)
two.empty().append("<option>请选择城市</option>")
$("#three").empty().append("<option>请选择区域</option>")//清除
if(one_index > 0){
var city = province[one_index-1].city
console.log(province[one_index-1].city)
for(var i = 0 i < city.length i++){
two.append("<option>"+city[i].name+"</option>")
}
}
})
init()
function init(){
for(var i = 0 i < province.length i++){
$("#one").append("<option>"+province[i].name+"</option>")
}
}
})
</script>
</body>
</html>
按说这种 *** 作应该是后台程序来做，前端 *** 作的话有点窒息，主要是数据量。。亲测有效，望采纳！
<!doctype html><html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
<link rel="stylesheet" type="text/css" href="CSS3/xuanxing.css" />
<script type="text/javascript" src="http://apps.bdimg.com/libs/jquery/1.6.4/jquery.js"></script>
</head>
<body>
<style>
select{ width:75px font-size:12px color:#000000 font-family:'宋体' margin:auto 0px}
#select0{ background:yellow}
.select{ background:#85e785}
</style>
<script>
$(document).ready(function(e) {
$("select#select0").change(function(){
var cc = $(this).find("option:selected").attr("class")
$(this).siblings("select").find("option").hide()
$(this).siblings("select").find("option."+cc).show()
$(this).siblings("select").find("option."+cc+":first").attr("selected","selected")
})
$("select.select").change(function(){
var cid = $(this).find("option:selected").index()
$(this).siblings("select.select").each(function(){
$(this).find("option").eq(cid).attr("selected","selected")
})
})
})
</script>
<div style="width: 400px height: 20px margin:0 auto word-spacing: 0px">
<select id="select0">
<option class="op0">10mm</option>
<option class="op1">20mm</option>
<option class="op2">40mm</option>
</select>
<select class="select">
<option class="op0">8n</option>
<option class="op0">12n</option>
<option class="op0">16n</option>
<option class="op1">24n</option>
<option class="op1">28n</option>
<option class="op1">32n</option>
<option class="op2">40n</option>
<option class="op2">44n</option>
</select>
<select class="select">
<option class="op0">70mm</option>
<option class="op0">110mm</option>
<option class="op0">150mm</option>
<option class="op1">230mm</option>
<option class="op1">270mm</option>
<option class="op1">310mm</option>
<option class="op2">390mm</option>
<option class="op2">430mm</option>
</select>
<select class="select">
<option class="op0">128mm</option>
<option class="op0">190mm</option>
<option class="op0">230mm</option>
<option class="op1">310mm</option>
<option class="op1">350mm</option>
<option class="op1">390mm</option>
<option class="op2">470mm</option>
<option class="op2">510mm</option>
</select>
<select class="select">
<option class="op0">ESA0810</option>
<option class="op0">ESA1210</option>
<option class="op0">ESA1610</option>
<option class="op1">ESA2410</option>
<option class="op1">ESA2810</option>
<option class="op1">ESA3210</option>
<option class="op2">ESA4010</option>
<option class="op2">ESA4410</option>
</select>
</div>
</body>
</html>
<!---->
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