& & & & 复制代码代码如下:& & if (!IsPostBack)& & {& & //一级分类列表& & this.DropDownList1.DataSource = dsbb.SelectSubjct1();& & this.DropDownList1.DataTextField = "cName";& & this.DropDownList1.DataValueField = "Ccode";& & this.DropDownList1.DataBind();& & this.DropDownList1.Items.Insert(0,new ListItem("请选择一级分类","0"));& & this.DropDownList8.Items.Insert(0, new ListItem("请选择二级分类", "0"));& & this.DropDownList9.Items.Insert(0,new ListItem ("请选择三级分类","0"));& & //二级分类列表& & }& & /// & & /// 绑定二级分类& & /// & & /// & & /// & & protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)& & {& & libs.Database.Dbbase dbb = new libs.Database.Dbbase();& & if (Convert.ToInt32(this.DropDownList1.SelectedValue) == 0) //清除列表内容& & {& & this.DropDownList8.Items.Clear();& & this.DropDownList8.Items.Insert(0, new ListItem("请选择二级分类", "0"));& & this.DropDownList9.Items.Clear();& & this.DropDownList9.Items.Insert(0, new ListItem("请选择三级分类", "0"));& & }& & else //二级分类列表& & {& & this.DropDownList8.DataSource = dbb.Selectsubjct2(this.DropDownList1.SelectedValue.Substring(0,2));& & this.DropDownList8.DataTextField = "cName";& & this.DropDownList8.DataValueField = "Ccode";& & this.DropDownList8.DataBind();& & this.DropDownList8.Items.Insert(0,new ListItem ("请选择二级分类","0"));& & this.DropDownList9.Items.Clear();//清除第三分类& & this.DropDownList9.Items.Insert(0, new ListItem("请选择三级分类", "0"));& & }& & }& & /// & & /// 绑定三级分类& & /// & & /// & & /// & & protected void DropDownList8_SelectedIndexChanged(object sender, EventArgs e)& & {& & libs.Database.Dbbase dbase = new libs.Database.Dbbase();& & this.DropDownList9.DataSource = dbase.selectsubject3(this.DropDownList8.SelectedValue.Substring(0,4));& & this.DropDownList9.DataTextField = "cName";& & this.DropDownList9.DataValueField = "Ccode";& & this.DropDownList9.DataBind();& & this.DropDownList9.Items.Insert(0,new ListItem("请选择三级分类","0"));& & }& & Dbbase.cs页：& & 复制代码代码如下:& & /// & & /// 查询一级栏目& & /// & & /// & & public DataSet SelectSubjct1()& & {& & string con = System.Configuration.ConfigurationSettings.AppSettings["sqlconn"];& & SqlConnection conn = new SqlConnection(con);& & string sqlstr = "SELECT kndid, Ccode, cName, cLevel FROM kind WHERE cLevel = 1";& & DataSet dst = new DataSet();& & SqlDataAdapter sda = new SqlDataAdapter(sqlstr,conn);& & try& & {& & sda.Fill(dst);& && & }& & catch (Exception ex)& & {& & throw new Exception(ex.Message);& & }& & finally& & {& & conn.Close();& & }& & }& & /// & & /// 查询二级栏目内容& & /// & & /// & & /// & & public DataSet Selectsubjct2(string ccode)& & {& & string conn1 = System.Configuration.ConfigurationSettings.AppSettings["sqlconn"];& & SqlConnection conn = new SqlConnection(conn1);& & string sqqq = "select kndid,Ccode,cName,cLevel from kind where cLevel = 2 and Ccode like '" + ccode + "%'";& & DataSet dss = new DataSet();& & SqlDataAdapter sdd = new SqlDataAdapter(sqqq,conn);& & try& & {& & sdd.Fill(dss);& && & }& & catch (Exception ex)& & {& & throw new Exception(ex.Message);& & }& & finally& & {& & conn.Close();& & }& & }& & /// & & /// 查询三级栏目内容& & /// & & /// & & /// & & public DataSet selectsubject3(string cde)& & {& & string conn2 = System.Configuration.ConfigurationSettings.AppSettings["sqlconn"];& & SqlConnection conn = new SqlConnection(conn2);& & string sqq = "select kndid,Ccode,cName,cLevel from kind where cLevel = 3 and Ccode like '" + cde + "%'";& & DataSet dst = new DataSet();& & SqlDataAdapter sdaa = new SqlDataAdapter(sqq,conn);& & try& & {& & sdaa.Fill(dst);& && & }& & catch (Exception ex)& & {& & throw new Exception(ex.Message);& & }& & finally& & {& & conn.Close();& & }& & }& & 注意：DropDownList1_SelectedIndexChanged 事件，AutoPostBack="True"& & 您可能感兴趣的文章:js操纵跨frame的三级联动select下拉选项实例介绍js实现一个省市区三级联动选择框代码分享纯JSP+DWR实现三级联动下拉选择菜单实现技巧中国地区三级联动下拉菜单效果分析使用jQuery+HttpHandler+xml模拟一个三级联动的例子asp.net省市三级联动的DropDownList+Ajax的三种框架(aspnet/Jquery/ExtJs)示例jquery+json 通用三级联动下拉列表php 三级联动菜单ASP+JS三级联动下拉菜单[调用数据库数据]AJAX和WebService实现省市县三级联动具体代码& & QQ空间
百度搜藏更多& & Tags：DropDownList 三级联动& & 复制链接收藏本文打印本文关闭本文返回首页& & 上一篇：asp.net GridView 删除时弹出确认对话框(包括内容提示)& & 下一篇：.NET中获取程序根目录的常用方法介绍& & 相关文章VB.NET进度条的方法代码asp.net 将设有过期策略的项添加到缓存中ASP.NET回车提交事件浅析C#页码导航显示及算法实现代码DropDownList根据下拉项的Text文本序号排序把某个asp.net 控件替换成自定义控件的方法ASP.NET中利用存储过程实现模糊查询在ASP.NET中用存储过程执行SQL语句asp.net网站底部的版权信息实现代码且可维护asp.net中获取远程网页的内容之一（downmoon原创）& & 文章评论& & 最 近 更 新& & asp.net下String.prototype.split()的兼容.NET中文乱码的解决方法分享把字符串转为HtmlTable演示动画C# 实现抓取网站页面内容的实例方法asp.net下DataSet.WriteXml(String)与(Stasp.net获取网站绝对路径示例asp.net服务器端指令include的使用及优势ASP.NET2.0服务器控件之自定义状态管理js获取.aspx页面里面的服务器控件和.ascxASP.NET开发者使用jQuery应该了解的几件事& & 热 点 排 行& & asp.net(c#)网页跳转七种方法小结未将对象引用设置到对象的实例 (asp.net“服务器应用程序不可用”JAVA正则表达式 Pattern和Matcheasp.net gridview 72般绝技asp.net UpdatePanel的简单用法C# XML操作 代码大全(读XML,写XM未能加载文件或程序集“XXX”或它asp.net汉字转拼音和获取汉字首字System.Runtime.InteropServices
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复制代码 代码如下: if (!IsPostBack) { //一级分类列表 this.DropDownList1.DataSource = dsbb.SelectSubjct1(); this.DropDownList1.DataTextField = "cName"; this.DropDownList1.DataValueField = "Ccode"; this.DropDownList1.DataBind(); this.DropDownList1.Items.Insert(0,new ListItem("请选择一级分类","0")); this.DropDownList8.Items.Insert(0, new ListItem("请选择二级分类", "0")); this.DropDownList9.Items.Insert(0,new ListItem ("请选择三级分类","0")); //二级分类列表 } /// &summary& /// 绑定二级分类 /// &/summary& /// &param name="sender"&&/param& /// &param name="e"&&/param& protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e) { libs.Database.Dbbase dbb = new libs.Database.Dbbase(); if (Convert.ToInt32(this.DropDownList1.SelectedValue) == 0) //清除列表内容 { this.DropDownList8.Items.Clear(); this.DropDownList8.Items.Insert(0, new ListItem("请选择二级分类", "0")); this.DropDownList9.Items.Clear(); this.DropDownList9.Items.Insert(0, new ListItem("请选择三级分类", "0")); } else //二级分类列表 { this.DropDownList8.DataSource = dbb.Selectsubjct2(this.DropDownList1.SelectedValue.Substring(0,2)); this.DropDownList8.DataTextField = "cName"; this.DropDownList8.DataValueField = "Ccode"; this.DropDownList8.DataBind(); this.DropDownList8.Items.Insert(0,new ListItem ("请选择二级分类","0")); this.DropDownList9.Items.Clear();//清除第三分类 this.DropDownList9.Items.Insert(0, new ListItem("请选择三级分类", "0")); } } /// &summary& /// 绑定三级分类 /// &/summary& /// &param name="sender"&&/param& /// &param name="e"&&/param& protected void DropDownList8_SelectedIndexChanged(object sender, EventArgs e) { libs.Database.Dbbase dbase = new libs.Database.Dbbase(); this.DropDownList9.DataSource = dbase.selectsubject3(this.DropDownList8.SelectedValue.Substring(0,4)); this.DropDownList9.DataTextField = "cName"; this.DropDownList9.DataValueField = "Ccode"; this.DropDownList9.DataBind(); this.DropDownList9.Items.Insert(0,new ListItem("请选择三级分类","0")); }
Dbbase.cs页： 复制代码 代码如下: /// &summary& /// 查询一级栏目 /// &/summary& /// &returns&&/returns& public DataSet SelectSubjct1() { string con = System.Configuration.ConfigurationSettings.AppSettings["sqlconn"]; SqlConnection conn = new SqlConnection(con); string sqlstr = "SELECT kndid, Ccode, cName, cLevel FROM kind WHERE cLevel = 1"; DataSet dst = new DataSet(); SqlDataAdapter sda = new SqlDataAdapter(sqlstr,conn); try { sda.Fill(dst);
} catch (Exception ex) { throw new Exception(ex.Message); } finally { conn.Close(); } } /// &summary& /// 查询二级栏目内容 /// &/summary& /// &param name="ccode"&&/param& /// &returns&&/returns& public DataSet Selectsubjct2(string ccode) { string conn1 = System.Configuration.ConfigurationSettings.AppSettings["sqlconn"]; SqlConnection conn = new SqlConnection(conn1); string sqqq = "select kndid,Ccode,cName,cLevel from kind where cLevel = 2 and Ccode like '" + ccode + "%'"; DataSet dss = new DataSet(); SqlDataAdapter sdd = new SqlDataAdapter(sqqq,conn); try { sdd.Fill(dss);
} catch (Exception ex) { throw new Exception(ex.Message); } finally { conn.Close(); } } /// &summary& /// 查询三级栏目内容 /// &/summary& /// &param name="cde"&&/param& /// &returns&&/returns& public DataSet selectsubject3(string cde) { string conn2 = System.Configuration.ConfigurationSettings.AppSettings["sqlconn"]; SqlConnection conn = new SqlConnection(conn2); string sqq = "select kndid,Ccode,cName,cLevel from kind where cLevel = 3 and Ccode like '" + cde + "%'"; DataSet dst = new DataSet(); SqlDataAdapter sdaa = new SqlDataAdapter(sqq,conn); try { sdaa.Fill(dst);
} catch (Exception ex) { throw new Exception(ex.Message); } finally { conn.Close(); } }
注意：DropDownList1_SelectedIndexChanged 事件，AutoPostBack="True"
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All Rights ReservedJS实多级联动下拉菜单类，简单实现省市区联动菜单！
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作者：ybcola&这段js代码是很久以前的作品了，应该在一年以前吧！当时是在做一个农村人才管理系统的时候遇到的问题，因为系统要求参选择并通过后台添加省市区县甚至到乡镇村队，而在对人才的信息进行修改时要求用下拉列表进行选择，并且每个人才来源可能是省市，或者省市区县，或者一直取队都要选择！那时第一反映就是找网上是否有现成的代码，找到一个最常用的就是省市二级联动，那时那段js代码在网上随处可见，可是拿过来对我来说没用，因为我需要的是一个多级联通并且可以自由扩展的代码！最终还是自己动手写了JS代码。 　　为了考虑在同一个页面中多处使用，因些使用了对象的思想进行设计，为了实现各个多级联动的内容不同，所以把内空数据结构与程序进行了分离，因此设计最终调用方法如： 　var&city=new&LightManAddressT 　city.selectshow(obj,0);　//obj为要添加到的dom结点， 　如有html代码如下&div&id="abc"&&/div& 那么调用方法就应该为 obj=document.getElementById("abc"); 　var&city=new&LightManAddressT 　city.selectshow(obj,0); 这样多级联动内容就为显示在闭合的div标签内的位置 　其js设计代码如下：
代码如下://定义地址数据开始 var&AddressTree={}; AddressTree["a_row"]=new&Array();&//存所有记录 with(AddressTree){ a_row["1"]=["北京市",0,1]; a_row["2"]=["上海市",0,1]; a_row["3"]=["天津市",0,1]; a_row["4"]=["重庆市",0,1]; a_row["5"]=["河北",0,0]; a_row["6"]=["山西",0,0]; a_row["7"]=["内蒙古",0,0]; a_row["8"]=["辽宁",0,0]; a_row["9"]=["吉林",0,0]; a_row["10"]=["黑龙江",0,0]; a_row["11"]=["江苏",0,0]; a_row["12"]=["渐江",0,0]; a_row["13"]=["安徽",0,0]; a_row["14"]=["福建",0,0]; a_row["15"]=["江西",0,0]; a_row["16"]=["山东",0,0]; a_row["17"]=["河南",0,0]; a_row["18"]=["湖北",0,0]; a_row["19"]=["湖南",0,0]; a_row["20"]=["广东",0,0]; a_row["21"]=["广西",0,0]; a_row["22"]=["海南",0,0]; a_row["23"]=["四川",0,0]; a_row["24"]=["贵州",0,0]; a_row["25"]=["云南",0,0]; a_row["26"]=["西藏",0,0]; a_row["27"]=["陕西",0,0]; a_row["28"]=["甘肃",0,0]; a_row["29"]=["青海",0,0]; a_row["30"]=["宁夏",0,0]; a_row["31"]=["新壃",0,0]; a_row["32"]=["香港",0,1]; a_row["33"]=["澳门",0,1]; a_row["34"]=["台湾",0,0]; a_row["35"]=["石家庄",5,1]; a_row["36"]=["唐山",5,1]; a_row["37"]=["秦皇岛",5,1]; a_row["38"]=["邯郸",5,1]; a_row["39"]=["邢台",5,1]; a_row["40"]=["保定",5,1]; a_row["41"]=["张家口",5,1]; a_row["42"]=["承德",5,1]; a_row["43"]=["沧州",5,1]; a_row["44"]=["廊坊",5,1]; a_row["45"]=["衡水",5,1]; a_row["46"]=["太原",6,1]; a_row["47"]=["大同",6,1]; a_row["48"]=["阳泉",6,1]; a_row["49"]=["长治",6,1]; a_row["50"]=["晋城",6,1]; a_row["51"]=["朔州",6,1]; a_row["52"]=["晋中",6,1]; a_row["53"]=["运城",6,1]; a_row["54"]=["忻州",6,1]; a_row["55"]=["临汾",6,1]; a_row["56"]=["吕梁",6,1]; a_row["58"]=["呼和浩特",7,1]; a_row["59"]=["包头",7,1]; a_row["60"]=["乌海",7,1]; a_row["61"]=["赤峰",7,1]; a_row["62"]=["通辽",7,1]; a_row["63"]=["鄂尔多斯",7,1]; a_row["64"]=["呼伦贝尔",7,1]; a_row["65"]=["乌兰察布市",7,1]; a_row["66"]=["锡林郭勒盟",7,1]; a_row["67"]=["巴彦淖尔盟",7,1]; a_row["68"]=["阿拉善盟",7,1]; a_row["69"]=["兴安盟",7,1]; a_row["70"]=["沈阳",8,1]; a_row["71"]=["大连",8,1]; a_row["72"]=["鞍山",8,1]; a_row["73"]=["抚顺",8,1]; a_row["74"]=["本溪",8,1]; a_row["75"]=["丹东",8,1]; a_row["76"]=["锦州",8,1]; a_row["77"]=["葫芦岛",8,1]; a_row["78"]=["营口",8,1]; a_row["79"]=["盘锦",8,1]; a_row["80"]=["阜新",8,1]; a_row["81"]=["辽阳",8,1]; a_row["82"]=["铁岭",8,1]; a_row["83"]=["朝阳",8,1]; a_row["84"]=["长春",9,1]; a_row["85"]=["吉林",9,1]; a_row["86"]=["四平",9,1]; a_row["87"]=["辽源",9,1]; a_row["88"]=["通化",9,1]; a_row["89"]=["白山",9,1]; a_row["90"]=["松原",9,1]; a_row["91"]=["白城",9,1]; a_row["92"]=["延办朝鲜族自治州",9,1]; a_row["93"]=["哈尔滨",10,1]; a_row["94"]=["齐齐哈尔",10,1]; a_row["95"]=["鹤岗",10,1]; a_row["96"]=["双鸭山",10,1]; a_row["97"]=["鸡西",10,1]; a_row["98"]=["大庆",10,1]; a_row["99"]=["伊春",10,1]; a_row["100"]=["牡丹江",10,1]; a_row["101"]=["佳木斯",10,1]; a_row["102"]=["七台河",10,1]; a_row["103"]=["黑河",10,1]; a_row["104"]=["绥化",10,1]; a_row["105"]=["大兴安岭",10,1]; a_row["106"]=["南京",11,1]; a_row["107"]=["无锡",11,1]; a_row["108"]=["徐州",11,1]; a_row["109"]=["常州",11,1]; a_row["110"]=["苏州",11,1]; a_row["111"]=["南通",11,1]; a_row["112"]=["连云港",11,1]; a_row["113"]=["淮安",11,1]; a_row["114"]=["盐城",11,1]; a_row["115"]=["扬州",11,1]; a_row["116"]=["镇江",11,1]; a_row["117"]=["泰州",11,1]; a_row["118"]=["宿迀",11,1]; a_row["119"]=["杭州",12,1]; a_row["120"]=["宁波",12,1]; a_row["121"]=["温州",12,1]; a_row["122"]=["嘉兴",12,1]; a_row["123"]=["湖州",12,1]; a_row["124"]=["绍兴",12,1]; a_row["125"]=["金华",12,1]; a_row["126"]=["舟山",12,1]; a_row["127"]=["台州",12,1]; a_row["128"]=["丽水",12,1]; a_row["129"]=["衢州",12,1]; a_row["130"]=["合肥",13,1]; a_row["131"]=["芜湖",13,1]; a_row["132"]=["蚌埠",13,1]; a_row["133"]=["淮南",13,1]; a_row["134"]=["马鞍山",13,1]; a_row["135"]=["淮北",13,1]; a_row["136"]=["铜陵",13,1]; a_row["137"]=["安庆",13,1]; a_row["138"]=["黄山",13,1]; a_row["139"]=["滁州",13,1]; a_row["140"]=["阜阳",13,1]; a_row["141"]=["宿州",13,1]; a_row["142"]=["巢湖",13,1]; a_row["143"]=["六安",13,1]; a_row["144"]=["毫州",13,1]; a_row["145"]=["池州",13,1]; a_row["146"]=["宣城",13,1]; a_row["147"]=["福州",14,1]; a_row["148"]=["厦门",14,1]; a_row["149"]=["莆田",14,1]; a_row["150"]=["三明",14,1]; a_row["151"]=["泉州",14,1]; a_row["152"]=["漳州",14,1]; a_row["153"]=["南平",14,1]; a_row["154"]=["龙岩",14,1]; a_row["155"]=["宁德",14,1]; a_row["156"]=["南昌",15,1]; a_row["157"]=["景德镇",15,1]; a_row["158"]=["萍乡",15,1]; a_row["159"]=["新余",15,1]; a_row["160"]=["九江",15,1]; a_row["161"]=["鹰潭",15,1]; a_row["162"]=["吉安",15,1]; a_row["163"]=["宜春",15,1]; a_row["164"]=["抚州",15,1]; a_row["165"]=["上饶",15,1]; a_row["166"]=["赣州",15,1]; a_row["167"]=["济南",16,1]; a_row["168"]=["青岛",16,1]; a_row["169"]=["淄博",16,1]; a_row["170"]=["枣庄",16,1]; a_row["171"]=["东营",16,1]; a_row["172"]=["潍坊",16,1]; a_row["173"]=["烟台",16,1]; a_row["174"]=["威海",16,1]; a_row["175"]=["济宁",16,1]; a_row["176"]=["泰安",16,1]; a_row["177"]=["日照",16,1]; a_row["178"]=["莱芜",16,1]; a_row["179"]=["德州",16,1]; a_row["180"]=["临沂",16,1]; a_row["181"]=["聊城",16,1]; a_row["182"]=["滨州",16,1]; a_row["183"]=["菏泽",16,1]; a_row["184"]=["郑州",17,1]; a_row["185"]=["开封",17,1]; a_row["186"]=["洛阳",17,1]; a_row["187"]=["平顶山",17,1]; a_row["188"]=["焦作",17,1]; a_row["189"]=["鹤壁",17,1]; a_row["190"]=["新乡",17,1]; a_row["191"]=["安阳",17,1]; a_row["192"]=["濮阳",17,1]; a_row["193"]=["许昌",17,1]; a_row["194"]=["漯河",17,1]; a_row["195"]=["三门峡",17,1]; a_row["196"]=["南阳",17,1]; a_row["197"]=["南丘",17,1]; a_row["198"]=["信阳",17,1]; a_row["199"]=["周口",17,1]; a_row["200"]=["驻马店",17,1]; a_row["201"]=["济源",17,1]; a_row["202"]=["武汉",18,1]; a_row["203"]=["黄石",18,1]; a_row["204"]=["襄樊",18,1]; a_row["205"]=["十堰",18,1]; a_row["206"]=["荆州",18,1]; a_row["207"]=["宜昌",18,1]; a_row["208"]=["荆门",18,1]; a_row["209"]=["鄂州",18,1]; a_row["210"]=["孝感",18,1]; a_row["211"]=["黄冈",18,1]; a_row["212"]=["咸宁",18,1]; a_row["213"]=["随州",18,1]; a_row["214"]=["仙桃",18,1]; a_row["215"]=["天门",18,1]; a_row["216"]=["潜江",18,1]; a_row["217"]=["神农架",18,1]; a_row["218"]=["恩施土家族自治州",18,1]; a_row["219"]=["长沙",19,1]; a_row["220"]=["株洲",19,1]; a_row["221"]=["湘潭",19,1]; a_row["222"]=["衡阳",19,1]; a_row["223"]=["邵阳",19,1]; a_row["224"]=["岳阳",19,1]; a_row["225"]=["常德",19,1]; a_row["226"]=["张家界",19,1]; a_row["227"]=["益阳",19,1]; a_row["228"]=["郴州",19,1]; a_row["229"]=["怀化",19,1]; a_row["230"]=["娄底",19,1]; a_row["231"]=["湘西土家族苗族自治州",19,1]; a_row["232"]=["广州",20,1]; a_row["233"]=["深圳",20,1]; a_row["234"]=["珠海",20,1]; a_row["235"]=["汕头",20,1]; a_row["236"]=["韶关",20,1]; a_row["237"]=["佛山",20,1]; a_row["238"]=["江门",20,1]; a_row["239"]=["湛江",20,1]; a_row["240"]=["茂名",20,1]; a_row["241"]=["肇庆",20,1]; a_row["242"]=["惠州",20,1]; a_row["243"]=["梅州",20,1]; a_row["244"]=["汕尾",20,1]; a_row["245"]=["河源",20,1]; a_row["246"]=["阳江",20,1]; a_row["247"]=["清远",20,1]; a_row["248"]=["东莞",20,1]; a_row["249"]=["中山",20,1]; a_row["250"]=["潮州",20,1]; a_row["251"]=["揭阳",20,1]; a_row["252"]=["云浮",20,1]; a_row["253"]=["南宁",21,1]; a_row["254"]=["柳州",21,1]; a_row["255"]=["桂林",21,1]; a_row["256"]=["梧州",21,1]; a_row["257"]=["北海",21,1]; a_row["258"]=["防城港",21,1]; a_row["259"]=["钦州",21,1]; a_row["260"]=["贵港",21,1]; a_row["261"]=["玉林",21,1]; a_row["262"]=["百色",21,1]; a_row["263"]=["贺州",21,1]; a_row["264"]=["河池",21,1]; a_row["265"]=["来宾",21,1]; a_row["266"]=["崇左",21,1]; a_row["267"]=["海口",22,1]; a_row["268"]=["三亚",22,1]; a_row["269"]=["五指山",22,1]; a_row["270"]=["琼海",22,1]; a_row["271"]=["儋州",22,1]; a_row["272"]=["文昌",22,1]; a_row["273"]=["方宁",22,1]; a_row["274"]=["东方",22,1]; a_row["275"]=["澄迈",22,1]; a_row["276"]=["定安",22,1]; a_row["277"]=["屯昌",22,1]; a_row["278"]=["临高",22,1]; a_row["279"]=["白沙黎族自治县",22,1]; a_row["280"]=["江黎族自治县",22,1]; a_row["281"]=["乐东黎族自治县",22,1]; a_row["282"]=["陵水黎族自治县",22,1]; a_row["283"]=["保亭黎族苗族自治县",22,1]; a_row["284"]=["琼中称许苗族自治县",22,1]; a_row["285"]=["成都",23,1]; a_row["286"]=["自贡",23,1]; a_row["287"]=["攀枝花",23,1]; a_row["288"]=["泸州",23,1]; a_row["289"]=["德阳",23,1]; a_row["290"]=["绵阳",23,1]; a_row["291"]=["广元",23,1]; a_row["292"]=["遂宁",23,1]; a_row["293"]=["内江",23,1]; a_row["294"]=["乐山",23,1]; a_row["295"]=["南充",23,1]; a_row["296"]=["宜宾",23,1]; a_row["297"]=["广安",23,1]; a_row["298"]=["达州",23,1]; a_row["299"]=["眉山",23,1]; a_row["300"]=["雅安",23,1]; a_row["301"]=["巴中",23,1]; a_row["302"]=["资阳",23,1]; a_row["303"]=["阿坝藏族羌族自治州",23,1]; a_row["304"]=["甘孜藏族自治州",23,1]; a_row["305"]=["凉山彝族自治州",23,1]; a_row["306"]=["贵阳",24,1]; a_row["307"]=["六盘水",24,1]; a_row["308"]=["遵义",24,1]; a_row["309"]=["安顺",24,1]; a_row["310"]=["铜仁",24,1]; a_row["311"]=["毕节",24,1]; a_row["312"]=["黔西南布依族苗族自治州",24,1]; a_row["313"]=["黔东南苗族自治州",24,1]; a_row["314"]=["黔南布依族苗族自治州",24,1]; a_row["315"]=["昆明",25,1]; a_row["316"]=["曲靖",25,1]; a_row["317"]=["玉溪",25,1]; a_row["318"]=["保山",25,1]; a_row["319"]=["昭通",25,1]; a_row["320"]=["丽江",25,1]; a_row["321"]=["思茅",25,1]; a_row["322"]=["监沧",25,1]; a_row["323"]=["文山壮族苗族自治州",25,1]; a_row["324"]=["红河哈尼族彝族自治州",25,1]; a_row["325"]=["西双版纳傣族自治州",25,1]; a_row["326"]=["楚雄彝族自治州",25,1]; a_row["327"]=["大理白族自治州",25,1]; a_row["328"]=["德宏傣族景颇族自治州",25,1]; a_row["329"]=["怒江僳僳族自治州",25,1]; a_row["330"]=["迪庆藏族自治州",25,1]; a_row["331"]=["拉萨",26,1]; a_row["332"]=["那曲",26,1]; a_row["333"]=["昌都",26,1]; a_row["334"]=["山南",26,1]; a_row["335"]=["日喀则",26,1]; a_row["336"]=["阿里",26,1]; a_row["337"]=["林芝",26,1]; a_row["338"]=["西安",27,1]; a_row["339"]=["铜川",27,1]; a_row["340"]=["宝鸡",27,1]; a_row["341"]=["咸阳",27,1]; a_row["342"]=["渭南",27,1]; a_row["343"]=["延安",27,1]; a_row["344"]=["汉中",27,1]; a_row["345"]=["榆林",27,1]; a_row["346"]=["安康",27,1]; a_row["347"]=["商洛",27,1]; a_row["348"]=["兰州",28,1]; a_row["349"]=["金昌",28,1]; a_row["350"]=["白银",28,1]; a_row["351"]=["天水",28,1]; a_row["352"]=["嘉峪关",28,1]; a_row["353"]=["武威",28,1]; a_row["354"]=["张掖",28,1]; a_row["355"]=["平凉",28,1]; a_row["356"]=["洒泉",28,1]; a_row["357"]=["庆阳",28,1]; a_row["358"]=["定西",28,1]; a_row["359"]=["陇南",28,1]; a_row["360"]=["临夏回族自治州",28,1]; a_row["361"]=["甘南藏族自治州",28,1]; a_row["362"]=["西宁",29,1]; a_row["363"]=["海东",29,1]; a_row["364"]=["海北藏族自治州",29,1]; a_row["365"]=["黄南藏族自治州",29,1]; a_row["366"]=["海南藏族自治州",29,1]; a_row["367"]=["果洛藏族自治州",29,1]; a_row["368"]=["玉树藏族自治州",29,1]; a_row["369"]=["海西蒙古藏族自治州",29,1]; a_row["370"]=["银川",30,1]; a_row["371"]=["石嘴山",30,1]; a_row["372"]=["吴忠",30,1]; a_row["373"]=["固原",30,1]; a_row["374"]=["乌鲁木齐",31,1]; a_row["375"]=["克拉玛依",31,1]; a_row["376"]=["石河子",31,1]; a_row["377"]=["阿拉尔",31,1]; a_row["378"]=["图木舒克",31,1]; a_row["379"]=["五家渠",31,1]; a_row["380"]=["吐鲁",31,1]; a_row["381"]=["哈密",31,1]; a_row["382"]=["和田",31,1]; a_row["383"]=["阿克苏",31,1]; a_row["384"]=["喀什",31,1]; a_row["385"]=["克孜勒苏柯尔克孜自治州",31,1]; a_row["386"]=["巴音郭楞蒙古自治州",31,1]; a_row["387"]=["昌吉回族自治州",31,1]; a_row["388"]=["博尔塔拉蒙古自治州",31,1]; a_row["389"]=["伊犁哈萨克自治州",31,1]; a_row["390"]=["台北",34,1]; a_row["391"]=["高雄",34,1]; a_row["392"]=["基隆",34,1]; a_row["393"]=["台中",34,1]; a_row["394"]=["台南",34,1]; a_row["395"]=["新竹",34,1]; a_row["396"]=["嘉义",34,1]; a_row["397"]=["sss",285,1]; } var&j=0; AddressTree["a_record"]=new&Array();//存储记录的记录号 for(i&in&AddressTree["a_row"]){AddressTree["a_record"][j++]=i;} AddressTree.ObjNumber=1; //地址选择构造函数 function&LightManAddressTree(){ &&var&Data&=&AddressT&//数据记录数据变量 &&this.noselectshow=["--请选择省份--","--请选择城市--","--请选择区县--"];//各级不选择显示值 &&this.grade=0;&&//级数 &&this.idvalue=0;&//地址选择值的id号 &&this.text="";&//地址字符串 &&this.listseparator="&";&//地址字符串中的分隔符号 &&this.selectName="a_tree"+(AddressTree.ObjNumber++)+"_"; &&//定义地址数据结束 &&this.getfontpath&=&&function(id){&//取得指定记录号的上级路径 &&&&var&path&=&"", &&&&try{ &&&&upid=(isNaN(id)?0:id); &&&&while(upid!=0){ &&&&&&&&var&upid=Data["a_row"][upid][1]; &&&&&&&&if(path!="")path=upid+","+else&path= &&&&&&} &&&&} &&&&catch(e){}; &&&&return&eval("["+path+"]"); &&} &&//建立下列表 &&this.selectshowlevel=function(obj,upid,def){ &&&&var&selectobj,optionobj, &&&&selectobj=document.getElementById(this.selectName+this.grade); &&&&if(selectobj){ &&&&&&document.getElementById(this.selectName+this.grade).options.length=0; &&&&}else{ &&&&&&selectobj=document.createElement("select"); &&&&&&selectobj.id=this.selectName+this. &&&&&&selectobj.grade=this. &&&&&&selectobj.obj= &&&&&&selectobj.onchange=function(){ &&&&&&&&if(this.options[this.selectedIndex].value!=""){ &&&&&&&&&&this.obj.selectshow(obj,this[this.selectedIndex].value); &&&&&&&&} &&&&&&&&else{ &&&&&&&&&if(this.obj.grade&0){&& &&&&&&&&&&&&for(var&i=this.grade+1;i&this.obj.grade-1;i++){ &&&&&&&&&&&&&&var&df=document.getElementById(this.obj.selectName+i); &&&&&&&&&&&&&&df.options.length=0; &&&&&&&&&&&&&&defaultoption(this.obj,df,i); &&&&&&&&&&&&&&} &&&&&&&&&&&&//最得值 &&&&&&&&&&&&getvalue(this.obj); &&&&&&&&&&} &&&&&&&&} &&&&&&} &&&&} &&&&defaultoption(this,selectobj,this.grade); &&&&//显示级别下数据 &&&&if(upid&=0){ &&&&for(var&j=0;j&Data["a_record"].j++){ &&&&&&thisrecord=Data["a_row"][Data["a_record"][j]]; &&&&&&if(thisrecord[1]==upid){ &&&&&&&&optionobj=document.createElement("option"); &&&&&&&&optionobj.text=thisrecord[0]; &&&&&&&&optionobj.value=Data["a_record"][j]; &&&&&&&&selectobj.options.add(optionobj); &&&&&&&&if(def==Data["a_record"][j])&havedef= &&&&} &&} &&} &&if(havedef)selectobj.value= &&return& } this.selectshow&=&function(obj,id){&//显示选中记录号 &&var&selectobj,optionobj, &&var&lastgrade,tempid=id, &&var&fontpath=this.getfontpath(id); &&tempgrade=this. &&this.grade=0; &&//显示选中前部分内容 &&for&(var&i=0;i&fontpath.i++){ &&&&if(!document.getElementById(this.selectName+this.grade)){ &&&&&&if(i&fontpath.length-1) &&&&&&&&this.Add(obj,this.selectshowlevel(obj,fontpath[i],fontpath[i+1])); &&&&&&else &&&&&&&&this.Add(obj,this.selectshowlevel(obj,fontpath[i],id)); &&&&} &&&&this.grade++; &&} &&//显示选中后部分内容 &&do{ &&lastgrade=this.selectshowlevel(obj,tempid); &&tempid=lastgrade. &&if&(tempid=="")tempid=-1; &&this.Add(obj,lastgrade); &&this.grade++; &&} &&while(lastgrade.options.length&0); &&//删除多余选项 &&for(i=this.grade-1;i&tempgrade-1;i++){ &&&&obj.removeChild(document.getElementById(this.selectName+i)); &&} &&//最得值 &&getvalue(this); } this.Add=function(obj,s){ &&if(s.options.length&0&&!document.getElementById(s.id))obj.appendChild(s); &&} &&//获取选择值 &&function&getvalue(obj){ &&&&var&sel &&&&obj.text=""; &&&&obj.idvalue=0; &&&&for(var&i=0;i&obj.grade-1;i++){ &&&&&&sel=document.getElementById(obj.selectName+i); &&&&&&if(sel.value!=""){ &&&&&&&&obj.text+=(obj.text.match("\\S")==null?"":obj.listseparator)+sel.options[sel.selectedIndex]. &&&&&&&&obj.idvalue=sel.options[sel.selectedIndex]. &&&&&&&&}else{} &&&&&&} &&} &&//级别显示数据 &&function&defaultoption(obj,sobj,g){ &&&&try{ &&&&&&if(obj.noselectshow[g]){ &&&&&&&&optionobj=document.createElement("option"); &&&&&&&&optionobj.text=obj.noselectshow[g]; &&&&&&&&optionobj.value=""; &&&&&&&&sobj.options.add(optionobj,0); &&&&&&&&} &&&&&&} &&&&&&catch(e){} &&} } address_test.htm 代码如下:&!DOCTYPE&HTML&PUBLIC&"-//W3C//DTD&HTML&4.01&Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"& &html& &head& &title&Untitled&Document&/title& &meta&http-equiv="Content-Type"&content="text/&charset=utf-8"& &/head& &body& &script&type="text/javascript"&src="Address.js"&&/script& &/body& &/html&
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