网站下拉菜单，选择下拉后自动填充(图)

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转载最新推荐文章于 2026-06-06 15:06:39 发布 1.9w 阅读 AI 写同款· GEO 优化 ›

网站下拉菜单的“悄悄话”：Layui框架二级联动select揭秘你有没有在逛购物网站时遇到过这样的情况：当你选择了“省份”后，“城市”的下拉列表会自动更新，只显示该省份下的城市？或者在填写表单时，选择了某个“大类”，紧接着的“子类”选项也随之变化？这种“心有灵犀”的下拉菜单联动效果，不仅提升了用户体验，也让数据选择更加精准高效。阅读详情

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>模仿某招聘网站的Js搜索菜单</title>
</head>
<script language="JavaScript" type="text/javascript">
//----------------------------

//省
var Data_Area_Province = new Array("安徽","北京","福建","甘肃","广东","广西","贵州","海南","河北","河南","黑龙江","湖北","湖南","吉林","江苏","江西","辽宁","内蒙古","宁夏","青海","山东","山西","陕西","上海","四川","天津","西藏","新疆","云南","浙江","重庆");
//市区
var Data_Area_City = new Array();
Data_Area_City[0] = new Array("安庆","蚌埠","巢湖","池州","滁州","阜阳","合肥","淮北","淮南","黄山","六安","马鞍山","宿州","铜陵","芜湖","宣城","亳州");
Data_Area_City[1] = new Array("北京");
Data_Area_City[2] = new Array("福州","龙岩","南平","宁德","莆田","泉州","三明","厦门","漳州");
Data_Area_City[3] = new Array("白银","定西","甘南藏族自治州","嘉峪关","金昌","酒泉","兰州","临夏回族自治州","陇南","平凉","庆阳","天水","武威","张掖");
Data_Area_City[4] = new Array("潮州","东莞","佛山","广州","河源","惠州","江门","揭阳","茂名","梅州","清远","汕头","汕尾","韶关","深圳","阳江","云浮","湛江","肇庆","中山","珠海");
Data_Area_City[5] = new Array("百色","北海","崇左","防城港","桂林","贵港","河池","贺州","来宾","柳州","南宁","钦州","梧州","玉林");
Data_Area_City[6] = new Array("安顺","毕节","贵阳","六盘水","黔东南苗族侗族自治州","黔南布依族苗族自治州","黔西南布依族苗族自治州","铜仁","遵义");
Data_Area_City[7] = new Array("白沙黎族自治县","保亭黎族苗族自治县","昌江黎族自治县","澄迈县","定安县","东方","海口","乐东黎族自治县","临高县","陵水黎族自治县","琼海","琼中黎族苗族自治县","三亚","屯昌县","万宁","文昌","五指山","儋州");
Data_Area_City[8] = new Array("保定","沧州","承德","邯郸","衡水","廊坊","秦皇岛","石家庄","唐山","邢台","张家口");
Data_Area_City[9] = new Array("安阳","鹤壁","济源","焦作","开封","洛阳","南阳","平顶山","三门峡","商丘","新乡","信阳","许昌","郑州","周口","驻马店","漯河","濮阳");
Data_Area_City[10]= new Array("大庆","大兴安岭","哈尔滨","鹤岗","黑河","鸡西","佳木斯","牡丹江","七台河","齐齐哈尔","双鸭山","绥化","伊春");
Data_Area_City[11] = new Array("鄂州","恩施土家族苗族自治州","黄冈","黄石","荆门","荆州","潜江","神农架林区","十堰","随州","天门","武汉","仙桃","咸宁","襄樊","孝感","宜昌");
Data_Area_City[12] = new Array("常德","长沙","郴州","衡阳","怀化","娄底","邵阳","湘潭","湘西土家族苗族自治州","益阳","永州","岳阳","张家界","株洲");
Data_Area_City[13] = new Array("白城","白山","长春","吉林","辽源","四平","松原","通化","延边朝鲜族自治州");
Data_Area_City[14] = new Array("常州","淮安","连云港","南京","南通","苏州","宿迁","泰州","无锡","徐州","盐城","扬州","镇江");
Data_Area_City[15] = new Array("抚州","赣州","吉安","景德镇","九江","南昌","萍乡","上饶","新余","宜春","鹰潭");
Data_Area_City[16] = new Array("鞍山","本溪","朝阳","大连","丹东","抚顺","阜新","葫芦岛","锦州","辽阳","盘锦","沈阳","铁岭","营口");
Data_Area_City[17] = new Array("阿拉善盟","巴彦淖尔盟","包头","赤峰","鄂尔多斯","呼和浩特","呼伦贝尔","通辽","乌海","乌兰察布盟","锡林郭勒盟","兴安盟");
Data_Area_City[18] = new Array("固原","石嘴山","吴忠","银川");
Data_Area_City[19] = new Array("果洛藏族自治州","海北藏族自治州","海东","海南藏族自治州","海西蒙古族藏族自治州","黄南藏族自治州","西宁","玉树藏族自治州");
Data_Area_City[20] = new Array("滨州","德州","东营","菏泽","济南","济宁","莱芜","聊城","临沂","青岛","日照","泰安","威海","潍坊","烟台","枣庄","淄博");
Data_Area_City[21] = new Array("长治","大同","晋城","晋中","临汾","吕梁","朔州","太原","忻州","阳泉","运城");
Data_Area_City[22] = new Array("安康","宝鸡","汉中","商洛","铜川","渭南","西安","咸阳","延安","榆林");
Data_Area_City[23] = new Array("上海");
Data_Area_City[24] = new Array("阿坝藏族羌族自治州","巴中","成都","达州","德阳","甘孜藏族自治州","广安","广元","乐山","凉山彝族自治州","眉山","绵阳","南充","内江","攀枝花","遂宁","雅安","宜宾","资阳","自贡","泸州");
Data_Area_City[25] = new Array("天津");
Data_Area_City[26] = new Array("阿里","昌都","拉萨","林芝","那曲","日喀则","山南");
Data_Area_City[27] = new Array("阿克苏","阿拉尔","巴音郭楞蒙古自治州","博尔塔拉蒙古自治州","昌吉回族自治州","哈密","和田","喀什","克拉玛依","克孜勒苏柯尔克孜自治州","石河子","图木舒克","吐鲁番","乌鲁木齐","五家渠","伊犁哈萨克自治州");
Data_Area_City[28] = new Array("保山","楚雄彝族自治州","大理白族自治州","德宏傣族景颇族自治州","迪庆藏族自治州","红河哈尼族彝族自治州","昆明","丽江","临沧","怒江傈傈族自治州","曲靖","思茅","文山壮族苗族自治州","西双版纳傣族自治州","玉溪","昭通");
Data_Area_City[29] = new Array("杭州","湖州","嘉兴","金华","丽水","宁波","绍兴","台州","温州","舟山","衢州");
Data_Area_City[30] = new Array("重庆");
//学历
var Data_School = new Array("初中","高中","中专","大专","本科","双学位","硕士","博士","博士以上");
//行业
var Data_Industry = new Array("计算机类","电子/邮电/通讯类","经营/管理类","市场销售/营销类","金融/证券/保险类","财务类","工业/工厂类 ","技工类","机械/设备维修类","动力电气类","外语类 ","文教法律类","设计/广告类","行政/人事类","建筑/房地产/物业管理类","餐饮/娱乐类","交通运输（海陆空）类","化学工程类","轻工类 ","医院/医疗/护理/美容保健类","理科类","能源水利类","生物工程类 ","地矿冶金类","测绘技术类","喷涂/金属材料类","环境保护类 ","园林/园艺类","农林渔牧类","客户服务类","贸易类","服装/纺织/皮革/制鞋类","酒店/旅游后勤类","公关/媒介/广告类","百货/连锁/零售服务类","物流类","汽车类","其它类");
//时间
var Data_Date = new Array("今天","三天内","一个星期内","半个月内","一个月内","三个月内","半年内","一年内","所有");

//层状态
var Date_DivState=new Array()

//鼠标焦点状态
var focusState=false
var Search = new Object();

//--------------------------------------
// 初始化Div标签事件
// Joshua 2007-02-07
//--------------------------------------
Search.Init = function(){
 document.getElementById("Data_Area").onclick = Search.ShowArea.Init;
 document.getElementById("Data_School").onclick = Search.ShowSchool;
 document.getElementById("Data_Industry").onclick = Search.ShowIndustry;
 document.getElementById("Data_Date").onclick = Search.ShowDate;
}

//-------------------------------
// 创建一个Div对象
// Joshua 2007-02-07
//-------------------------------
Search.CreateDiv = function(obj,Id,X,Y,oWidth,oHeight){
 var Obj_Div = document.createElement("div");
 Obj_Div.setAttribute("id",Id);
 Obj_Div.style.position="absolute";
 Obj_Div.style.background="#fff";
 Obj_Div.style.zIndex = "10000";
 Obj_Div.style.border="1px solid #CCCCCC";
 Obj_Div.style.padding="3px";
 Obj_Div.style.lineHeight ="120%";
 Obj_Div.style.left=X+"px";
 Obj_Div.style.top=Y+"px";
 Obj_Div.style.whiteSpace="nowrap";
 Obj_Div.style.width= oWidth + "px";
// Obj_Div.style.height= oHeight + "px";
 obj.appendChild(Obj_Div);
}

//------------------------------------
// 判断Div是否存在
// Joshua 2007-02-07
//------------------------------------
Search.IsDiv = function(Id){
 var result = true
 try{
 document.getElementById(Id).a=1;
 }catch(e){
 result = false
 }
 return(result);
}
//----------------------------
// 删除Div对象
// Joshua 2007-02-07
//----------------------------
Search.RemoveDiv = function(Id){
 try{
 if(navigator.appName.indexOf("Explorer") > -1){
 document.getElementById(Id).removeNode(true);
 }else{
 document.body.removeChild(document.getElementById(Id));
 }
 }catch(e){}
}

//---------------------------
// 遍历清除无用Div对象
// Joshua 2007-02-07
//---------------------------
Search.DelDiv = function(){
 try{
 Search.RemoveDiv("Div_Area")
 document.getElementById("Data_Area").innerHTML = "4" + Search.ReadTextContent(document.getElementById("Data_Area")).substring(1,Search.ReadTextContent(document.getElementById("Data_Area")).length);
 }catch(e){}
 try{
 Search.RemoveDiv("Div_School")
 document.getElementById("Data_School").innerHTML = "4" + Search.ReadTextContent(document.getElementById("Data_School")).substring(1,Search.ReadTextContent(document.getElementById("Data_School")).length);
 }catch(e){}
 try{
 Search.RemoveDiv("Div_Industry")
 document.getElementById("Data_Industry").innerHTML = "4" + Search.ReadTextContent(document.getElementById("Div_Industry")).substring(1,Search.ReadTextContent(document.getElementById("Data_School")).length);
 }catch(e){}
 try{
 Search.RemoveDiv("Div_Date")
 document.getElementById("Data_Date").innerHTML = "4" + Search.ReadTextContent(document.getElementById("Data_Date")).substring(1,Search.ReadTextContent(document.getElementById("Data_School")).length);
 }catch(e){}
}

//--------------------------
// 失去焦点,清楚Div对象
// Joshua 2007-02-07
//--------------------------
Search.Lostfocus = function(){
 if(!focusState){
 try{
 Search.RemoveDiv("Div_Area")
 document.getElementById("Data_Area").innerHTML = "4" + Search.ReadTextContent(document.getElementById("Data_Area")).substring(1,Search.ReadTextContent(document.getElementById("Data_Area")).length);
 }catch(e){}
 try{
 Search.RemoveDiv("Div_School")
 document.getElementById("Data_School").innerHTML = "4" + Search.ReadTextContent(document.getElementById("Data_School")).substring(1,Search.ReadTextContent(document.getElementById("Data_School")).length);
 }catch(e){}
 try{
 Search.RemoveDiv("Div_Industry")
 document.getElementById("Div_Industry").innerHTML = "4" + Search.ReadTextContent(document.getElementById("Data_Industry")).substring(1,Search.ReadTextContent(document.getElementById("Data_School")).length);
 }catch(e){}
 try{
 Search.RemoveDiv("Div_Date")
 document.getElementById("Data_Date").innerHTML = "4" + Search.ReadTextContent(document.getElementById("Data_Date")).substring(1,Search.ReadTextContent(document.getElementById("Data_School")).length);
 }catch(e){}
 }
}

Search.ShowArea = function(){}
//------------------------
// 显示地区一级菜单
// Joshua 2007-02-07
//------------------------
Search.ShowArea.Init = function(){
 focusState = true;
 Search.DelDiv()//删除其他DIV标签
 if(!Search.IsDiv("Div_Area")){
 //更改Data_Area对象内容
 document.getElementById("Data_Area").innerHTML ="6"+ Search.ReadTextContent(document.getElementById("Data_Area")).substring(1,Search.ReadTextContent(document.getElementById("Data_Area")).length);;
 //显示层
 Search.CreateDiv(document.body,"Div_Area",Search.getSelectPosition(document.getElementById("Data_Area"))[0],Search.getSelectPosition(document.getElementById("Data_Area"))[1]+12,80,0);
 //创建省级分类
 for(var i=0;i<Data_Area_Province.length;i++){
 var Obj_Span = document.createElement("div");
 Obj_Span.setAttribute("id","Div_Area_Province_"+i);
 Obj_Span.setAttribute("name",i);
 Obj_Span.style.cursor="pointer";
 Obj_Span.onmouseover = function(){
 focusState = true;
 this.style.border="1px solid #827C5F";
 this.style.background="#CEC497";
 }
 Obj_Span.onmouseout = function(){
 focusState = false;
 if (!Date_DivState[this.getAttribute("value")]){
 this.style.border="0px solid #ffffff";
 this.style.background="#fff";}
 }
 Obj_Span.onclick = function(){
 focusState = true;
 //恢复非本对象的其他一级菜单项目样式
 for(var i=0;i<Date_DivState.length;i++){
 if(Date_DivState[i]==true&&this.value!=document.getElementById("Div_Area_Province_"+i).name){
 document.getElementById("Div_Area_Province_"+i).style.border="0px solid #ffffff";
 document.getElementById("Div_Area_Province_"+i).style.background="#fff";
 }
 }
 //设置层状态
 Date_DivState[this.getAttribute("name")] = true;
 //生成二级菜单
 Search.ShowArea.InitCity(this.getAttribute("name"),this)
 }
 Obj_Span.innerHTML = Data_Area_Province[i] + "4";
 document.getElementById("Div_Area").appendChild(Obj_Span);
 }
 }
}

//----------------------
// 显示地区二级菜单
// Joshua 2007-02-07
//----------------------
Search.ShowArea.InitCity = function(oId,obj){
 if(!Search.IsDiv("Div_Area_City_"+oId)){
 //删除除对象外存在的二级菜单对象
 for(var i=0;i<Date_DivState.length;i++){
 if(Date_DivState[i]==true&&i!=oId){
 Search.RemoveCityDiv("Div_Area_Province_"+i,"Div_Area_City_"+i);
 Date_DivState[i]=null;
 }
 }
 //生成指定的二级菜单对象
 Search.CreateDiv(obj,"Div_Area_City_"+oId,obj.offsetWidth,obj.offsetTop,50,0);

 if(oId<Data_Area_Province.length){
 for(var i=0;i<Data_Area_City[oId].length;i++){
 var Obj_Span = document.createElement("div");
 Obj_Span.setAttribute("id","Div_Area_City"+i);
 Obj_Span.style.cursor="pointer";
 Search.SetTextContent(Obj_Span,Data_Area_City[oId][i]);
 Obj_Span.setAttribute("value",oId);
 Obj_Span.onmouseover = function(){
 focusState = true;
 this.style.border="1px solid #827C5F";
 this.style.background="#CEC497";
 }
 Obj_Span.onmouseout = function(){
 focusState = false;
 this.style.border="0px";
 this.style.background="#fff";
 }
 Obj_Span.onclick = function(){
 //设置Data_Area的对象为选择的职
 document.getElementById("Data_Area").innerHTML = "4" + Search.ReadTextContent(this);
 //设置Input值
 document.getElementById("Input_Area").value = Search.ReadTextContent(this);
 //删除Div对象
 Search.RemoveDiv("Div_Area");
 //恢复状态数组
 Date_DivState.length=0;
 }
 document.getElementById("Div_Area_City_"+oId).appendChild(Obj_Span);
 }
 }
 }

}

//----------------------------
// 删除Div对象
// Joshua 2007-02-07
//----------------------------
Search.RemoveCityDiv = function(Id,CId){
 try{
 if(navigator.appName.indexOf("Explorer") > -1){
 document.getElementById(CId).removeNode(true);
 }else{
 document.getElementById(Id).removeChild(document.getElementById(CId));
 }
 }catch(e){}
}

//-------------------
// 学历Div操作
// Joshua 2007-02-07
//-------------------
Search.ShowSchool=function(){
 focusState = true;
 Search.DelDiv();//删除其他DIV标签
 if(!Search.IsDiv("Div_School")){
 document.getElementById("Data_School").innerHTML = "6" + Search.ReadTextContent(document.getElementById("Data_School")).substring(1,Search.ReadTextContent(document.getElementById("Data_School")).length);
 Search.CreateDiv(document.body,"Div_School",Search.getSelectPosition(document.getElementById("Data_School"))[0],Search.getSelectPosition(document.getElementById("Data_School"))[1]+12,60,0);
 for(var i=0;i<Data_School.length;i++){
 var Obj_Span = document.createElement("div");
 Obj_Span.setAttribute("id","Div_School_"+i);
 Obj_Span.setAttribute("value",i);
 Obj_Span.style.cursor="pointer";
 Obj_Span.onmouseover = function(){
 focusState = true;
 this.style.border="1px solid #827C5F";
 this.style.background="#CEC497";
 }
 Obj_Span.onmouseout = function(){
 focusState = false;
 this.style.border="0px";
 this.style.background="#fff";
 }
 Obj_Span.onclick = function(){
 document.getElementById("Data_School").innerHTML = "4" + Search.ReadTextContent(this);
 document.getElementById("Input_School").value = Search.ReadTextContent(this);
 Search.RemoveDiv("Div_School");
 }
 Obj_Span.innerHTML = Data_School[i];
 document.getElementById("Div_School").appendChild(Obj_Span);
 }
 }
}

//----------------------
// 行业Div操作
// Joshua 2007-02-07
//----------------------
Search.ShowIndustry = function(){
 focusState = true;
 Search.DelDiv();//删除其他DIV标签
 if(!Search.IsDiv("Div_Industry")){
 document.getElementById("Data_Industry").innerHTML = "6" + Search.ReadTextContent(document.getElementById("Data_Industry")).substring(1,Search.ReadTextContent(document.getElementById("Data_Industry")).length);
 Search.CreateDiv(document.body,"Div_Industry",Search.getSelectPosition(document.getElementById("Data_Industry"))[0],Search.getSelectPosition(document.getElementById("Data_Industry"))[1]+12,160,0);
 for(var i=0;i<Data_Industry.length;i++){
 var Obj_Span = document.createElement("div");
 Obj_Span.setAttribute("id","Div_Industry_"+i);
 Obj_Span.setAttribute("value",i);
 Obj_Span.style.cursor="pointer";
 Obj_Span.onmouseover = function(){
 focusState = true;
 this.style.border="1px solid #827C5F";
 this.style.background="#CEC497";
 }
 Obj_Span.onmouseout = function(){
 focusState = false;
 this.style.border="0px";
 this.style.background="#fff";
 }
 Obj_Span.onclick = function(){
 document.getElementById("Data_Industry").innerHTML = "4" + Search.ReadTextContent(this);
 document.getElementById("Input_Industry").value = Search.ReadTextContent(this);
 Search.RemoveDiv("Div_Industry");
 }
 Obj_Span.innerHTML = Data_Industry[i];
 document.getElementById("Div_Industry").appendChild(Obj_Span);
 }
 }
}

//-----------------------------
// 时间Div操作
// Joshua 2007-02-07
//-----------------------------
Search.ShowDate = function(){
 focusState = true;
 Search.DelDiv();//删除其他DIV标签
 if(!Search.IsDiv("Div_Date")){
 document.getElementById("Data_Date").innerHTML = "6" + Search.ReadTextContent(document.getElementById("Data_Date")).substring(1,Search.ReadTextContent(document.getElementById("Data_Date")).length);
 Search.CreateDiv(document.body,"Div_Date",Search.getSelectPosition(document.getElementById("Data_Date"))[0],Search.getSelectPosition(document.getElementById("Data_Date"))[1]+12,60,0);
 for(var i=0;i<Data_Date.length;i++){
 var Obj_Span = document.createElement("div");
 Obj_Span.setAttribute("id","Div_Date_"+i);
 Obj_Span.setAttribute("value",i);
 Obj_Span.style.cursor="pointer";
 Obj_Span.onmouseover = function(){
 focusState = true;
 this.style.border="1px solid #827C5F";
 this.style.background="#CEC497";
 }
 Obj_Span.onmouseout = function(){
 focusState = false;
 this.style.border="0px";
 this.style.background="#fff";
 }
 Obj_Span.onclick = function(){
 document.getElementById("Data_Date").innerHTML = "4" + Search.ReadTextContent(this);
 document.getElementById("Input_Date").value = Search.ReadTextContent(this);
 Search.RemoveDiv("Div_Date");
 }
 Obj_Span.innerHTML = Data_Date[i];
 document.getElementById("Div_Date").appendChild(Obj_Span);
 }
 }
}

Search.SetTextContent = function(Obj,Content){
 if(navigator.appName.indexOf("Explorer") > -1){
 Obj.innerText = Content;
 } else{
 Obj.textContent = Content;
 }
}
Search.ReadTextContent = function(Obj){
 if(navigator.appName.indexOf("Explorer") > -1){
 return(Obj.innerText);
 } else{
 return(Obj.textContent)
 }
}

//-----------------------
// 获取一个对象的坐标
//------------------------
Search.getSelectPosition = function(Gobj) {
 var objLeft = Gobj.offsetLeft;
 var objTop = Gobj.offsetTop;
 var objParent = Gobj.offsetParent;
 while (objParent!= null) {
 objLeft += objParent.offsetLeft;
 objTop += objParent.offsetTop;
 objParent = objParent.offsetParent;
 }
 return([objLeft,objTop]);
}

//------------------------
// 页面初始化
//------------------------
window.onload=function(){
 Search.Init();
}
window.document.onclick=function (){
 Search.Lostfocus();
}
</script>
<style>
BODY{FONT-SIZE: 12px;}
</style>
</head>

<body>
4地区
4学历
4行业
4时间
 
地区<input name="Input_Area" type="text" id="Input_Area" value="">
 
学历<input name="Input_School" type="text" id="Input_School" value="">
 
行业<input name="Input_Industry" type="text" id="Input_Industry" value="">
 
时间<input name="Input_Date" type="text" id="Input_Date" value="">
 
</body>
</html>

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