JS实多级联动下拉菜单类，简单实现省市区联动菜单！
内容导读
互联网集市收集整理的这篇技术教程文章主要介绍了JS实多级联动下拉菜单类，简单实现省市区联动菜单！，小编现在分享给大家，供广大互联网技能从业者学习和参考。文章包含16918字，纯文字阅读大概需要25分钟。
内容图文
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 LightManAddressTree;
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 LightManAddressTree;
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 = AddressTree; //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 = "",upid;
try{
upid=(isNaN(id)?0:id);
while(upid!=0){
var upid=Data["a_row"][upid][1];
if(path!="")path=upid+","+path;else path=upid;
}
}
catch(e){};
return eval("["+path+"]");
}
//建立下列表
this.selectshowlevel=function(obj,upid,def){
var selectobj,optionobj,havedef;
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.grade;
selectobj.grade=this.grade;
selectobj.obj=this;
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"].length;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=true;
}
}
}
if(havedef)selectobj.value=def;
return selectobj;
}
this.selectshow = function(obj,id){ //显示选中记录号
var selectobj,optionobj,thisrecord;
var lastgrade,tempid=id,tempgrade;
var fontpath=this.getfontpath(id);
tempgrade=this.grade;
this.grade=0;
//显示选中前部分内容
for (var i=0;i<fontpath.length;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.value;
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].text;
obj.idvalue=sel.options[sel.selectedIndex].value;
}else{break;}
}
}
//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/html; charset=utf-8">
</head>
<body>
<script type="text/javascript" src="Address.js"></script>
</body>
</html>
内容总结
以上是互联网集市为您收集整理的JS实多级联动下拉菜单类，简单实现省市区联动菜单！全部内容，希望文章能够帮你解决JS实多级联动下拉菜单类，简单实现省市区联动菜单！所遇到的程序开发问题。 如果觉得互联网集市技术教程内容还不错，欢迎将互联网集市网站推荐给程序员好友。
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