<head>
<title> 三级下拉菜单 (通用版)</title>
<meta http-equiv="Content-Type" content="text/html charset=gb2312">
</head>
<body>
<SCRIPT LANGUAGE="JavaScript">
function CreateSelect(_FormName,_SName,_SValue,_Ds,_AllOptionStr,ShowType)
{
if (_FormName=="")
_FormName = "all"
var _DsArr = _Ds.split("|")
var _Ds1,_Ds2,_Ds3
var _Ds1 = _DsArr[0]
var _Ds2 = (_DsArr.length>1)?_DsArr[1]:_DsArr[0]
var _Ds3 = (_DsArr.length>2)?_DsArr[2]:_DsArr[0]
var _SNameArr = _SName.split("|")
var _SName1,_SName2,_SName3
var _SName1 = _SNameArr[0]
var _SName2 = (_SNameArr.length>1)?_SNameArr[1]:_SNameArr[0]
var _SName3 = (_SNameArr.length>2)?_SNameArr[2]:_SNameArr[0]
var _SValueArr = _SValue.split("|")
var _SValue1,_SValue2,_SValue3
var _SValue1 = _SValueArr[0]
var _SValue2 = (_SValueArr.length>1)?_SValueArr[1]:_SValueArr[0]
var _SValue3 = (_SValueArr.length>2)?_SValueArr[2]:_SValueArr[0]
if (ShowType==3){
_AllOptionStr = _AllOptionStr.replace(/\(\(/ig,"\(\("+_Ds3+"\^")
_AllOptionStr = _AllOptionStr.replace(/\{\{/ig,"\{\{"+_Ds2+"\(\("+_Ds3+"\*\*")
}
else if(ShowType==2){
_AllOptionStr = _AllOptionStr.replace(/\{\{/ig,"\{\{"+_Ds2+"\(\("+_Ds3+"\*\*")
}
else if(ShowType==1){
_AllOptionStr = _AllOptionStr.replace(/\(\(/ig,"\(\("+_Ds3+"\^")
}
var AllStr = _Ds1 + "{{"+ _Ds2 + "(("+ _Ds3 +"||"+_AllOptionStr
var _AR0 = AllStr.split("||")
document.writeln("<select name=\"" + _SName1 + "\" size=\"1\" onChange=\""+_SName1+"redirect(this.options.selectedIndex)\">")
for (var i1 = 0i1 < _AR0.lengthi1++)
{
var Area1Str = _AR0[i1]
var _AR10 = Area1Str.split("{{")
var _AR11 = _AR10[0].split("@")
var Tstr1 = _AR11[0]
var Vstr1 = (_AR11.length==2)?_AR11[1]:_AR11[0]
document.writeln("<option value=\""+Vstr1+"\">"+Tstr1+"<\/option>")
}
document.writeln("<\/select>")
document.writeln("<select name=\"" + _SName2 + "\" size=\"1\" onChange=\""+_SName1+"redirect1(this.options.selectedIndex)\">")
var _AR111 = _Ds2.split("@")
var Tstr11 = _AR111[0]
var Vstr11 = (_AR111.length==2)?_AR111[1]:_AR111[0]
document.writeln("<option value=\""+Vstr11+"\">"+Tstr11+"<\/option>")
document.writeln("<\/select>")
document.writeln("<select name=\"" + _SName3 + "\" size=\"1\">")
var _AR222 = _Ds3.split("@")
var Tstr22 = _AR222[0]
var Vstr22 = (_AR222.length==2)?_AR222[1]:_AR222[0]
document.writeln("<option value=\""+Vstr22+"\">"+Tstr22+"<\/option>")
document.writeln("<\/select>")
document.writeln("<S"+"CRIPT LANGUAGE=\"JavaScript\" defer>")
document.writeln("<!--")
document.writeln("var "+_SName1+"NewAllStr = \""+ AllStr +"\"")
document.writeln("var "+_SName1+"_AR0 = "+_SName1+"NewAllStr.split(\"||\")")
document.writeln("var "+_SName1+"groups=document."+ _FormName +"." + _SName1 + ".options.length")
document.writeln("var "+_SName1+"group=new Array("+_SName1+"groups)")
document.writeln("for (i=0 i<"+_SName1+"groups i++){")
document.writeln(" "+_SName1+"group[i]=new Array()")
document.writeln("}")
document.writeln("for (var i1 = 0i1 < "+_SName1+"_AR0.lengthi1++){")
document.writeln(" var Area1Str = "+_SName1+"_AR0[i1]")
document.writeln(" var _AR10 = Area1Str.split(\"{{\")")
document.writeln(" var _AR12 = _AR10[1].split(\"**\")")
document.writeln(" for (var i2 = 0i2 < _AR12.lengthi2++){")
document.writeln(" var Area2Str = _AR12[i2]")
document.writeln(" var _AR20 = Area2Str.split(\"((\")")
document.writeln(" var _AR211 = _AR20[0].split(\"@\")")
document.writeln(" var Tstr2 = _AR211[0]")
document.writeln(" var Vstr2 = (_AR211.length==2)?_AR211[1]:_AR211[0]")
document.writeln(" "+_SName1+"group[i1][i2]=new Option(Tstr2,Vstr2)")
document.writeln(" }")
document.writeln("}")
document.writeln("var "+_SName1+"temp = document."+ _FormName +"." + _SName2)
document.writeln("function "+_SName1+"redirect(x){")
document.writeln(" for (m="+_SName1+"temp.options.length-1m>0m--)")
document.writeln(" "+_SName1+"temp.options[m]=null")
document.writeln(" for (i=0i<"+_SName1+"group[x].lengthi++){")
document.writeln(" "+_SName1+"temp.options[i]=new Option("+_SName1+"group[x][i].text,"+_SName1+"group[x][i].value)")
document.writeln(" }")
document.writeln(" "+_SName1+"temp.options[0].selected=true")
document.writeln(" "+_SName1+"redirect1(0)")
document.writeln("}")
document.writeln("var "+_SName1+"Group2s=document."+ _FormName +"." + _SName2 + ".options.length")
document.writeln("var "+_SName1+"Group2=new Array("+_SName1+"groups)")
document.writeln("for (i=0 i<"+_SName1+"groups i++){")
document.writeln(" "+_SName1+"Group2[i]=new Array("+_SName1+"group[i].length)")
document.writeln(" for (j=0 j<"+_SName1+"group[i].length j++){")
document.writeln(" "+_SName1+"Group2[i][j]=new Array()")
document.writeln(" }")
document.writeln("}")
document.writeln("for (var i1 = 0i1 < "+_SName1+"_AR0.lengthi1++){")
document.writeln(" var Area1Str = "+_SName1+"_AR0[i1]")
document.writeln(" var _AR10 = Area1Str.split(\"{{\")")
document.writeln(" var _AR12 = _AR10[1].split(\"**\")")
document.writeln(" for (var i2 = 0i2 < _AR12.lengthi2++){")
document.writeln(" var Area2Str = _AR12[i2]")
document.writeln(" var _AR20 = Area2Str.split(\"((\")")
document.writeln(" _AR212 = _AR20[1].split(\"^\")")
document.writeln(" for (var i3 = 0i3 < _AR212.lengthi3++){")
document.writeln(" Area3Str = _AR212[i3]")
document.writeln(" _AR3 = Area3Str.split(\"@\")")
document.writeln(" Tstr3 = _AR3[0]")
document.writeln(" Vstr3 = (_AR3.length==2)?_AR3[1]:_AR3[0]")
document.writeln(" "+_SName1+"Group2[i1][i2][i3]=new Option(Tstr3,Vstr3)")
document.writeln(" }")
document.writeln(" }")
document.writeln("}")
document.writeln("var "+_SName1+"temp1=document."+ _FormName +"." + _SName3 + "")
document.writeln("function "+_SName1+"redirect1(y){")
document.writeln(" for (m="+_SName1+"temp1.options.length-1m>0m--)")
document.writeln(" "+_SName1+"temp1.options[m]=null")
document.writeln(" for (i=0i<"+_SName1+"Group2[document."+ _FormName +"." + _SName1 + ".options.selectedIndex][y].lengthi++){")
document.writeln(" "+_SName1+"temp1.options[i]=new Option("+_SName1+"Group2[document."+ _FormName +"." + _SName1 + ".options.selectedIndex][y][i].text," + _SName1 + "Group2[document."+ _FormName +"." + _SName1 + ".options.selectedIndex][y][i].value)")
document.writeln(" }")
document.writeln(" "+_SName1+"temp1.options[0].selected=true")
document.writeln("}")
document.writeln("\/\/-->")
document.writeln("<\/script>")
document.writeln("<s"+"cript language=\"JavaScript\">")
document.writeln("<!--")
document.writeln("function "+_SName1+"SetValue(){")
document.writeln(" try{")
document.writeln(" if (\""+_SValue1+"\"!=\"\"){")
document.writeln(" document."+ _FormName +"."+_SName1+".value=\""+_SValue1+"\"")
document.writeln(" "+_SName1+"redirect(document."+ _FormName +"."+_SName1+".options.selectedIndex)")
document.writeln(" if (\""+_SValue2+"\"!=\"\"){")
document.writeln(" document."+ _FormName +"."+_SName2+".value=\""+_SValue2+"\"")
document.writeln(" "+_SName1+"redirect1(document."+ _FormName +"."+_SName2+".options.selectedIndex)")
document.writeln(" if (\""+_SValue3+"\"!=\"\")")
document.writeln(" document."+ _FormName +"."+_SName3+".value=\""+_SValue3+"\"")
document.writeln(" }")
document.writeln(" }")
document.writeln(" }")
document.writeln(" catch(e){")
document.writeln(" }")
document.writeln("}")
document.writeln("window.attachEvent(\"onload\","+_SName1+"SetValue)")
document.writeln("\/\/-->")
document.writeln("<\/script>")
}
</script>
<SCRIPT LANGUAGE="JavaScript">
<!--
var AllStr1 = ""
+"东北地区{{"
+"黑龙江((哈尔滨^齐齐哈尔^牡丹江^佳木斯^大庆^绥化^鹤岗^鸡西^黑河^双鸭山^伊春^七台河^大兴安岭"
+"**吉林((长春^吉林^四平^辽源^通化^白山^松原^白城^延边"
+"**辽宁((沈阳^大连^鞍山^抚顺^本溪^丹东^锦州^营口^阜新^辽阳^盘锦^铁岭^朝阳^葫芦岛"
+"||华北地区{{"
+"北京((东城^西城^崇文^宣武^朝阳^丰台^石景山^海淀^门头沟^房山^通州^顺义^昌平^大兴^平谷^怀柔^密云^延庆"
+"**天津((和平^东丽^河东^西青^河西^津南^南开^北辰^河北^武清^红挢^塘沽^汉沽^大港^宁河^静海^宝坻^蓟县"
+"**山东((济南^青岛^淄博^枣庄^东营^烟台^潍坊^济宁^泰安^威海^日照^莱芜^临沂^德州^聊城^滨州^菏泽"
+"**河北((石家庄^邯郸^邢台^保定^张家口^承德^廊坊^唐山^秦皇岛^沧州^衡水"
+"**河南((郑州^开封^洛阳^平顶山^安阳^鹤壁^新乡^焦作^濮阳^许昌^漯河^三门峡^南阳^商丘^信阳^周口^驻马店^济源"
+"**山西((太原^大同^阳泉^长治^晋城^朔州^吕梁^忻州^晋中^临汾^运城"
+"**内蒙古((呼和浩特^包头^乌海^赤峰^呼伦贝尔盟^阿拉善盟^哲里木盟^兴安盟^乌兰察布盟^锡林郭勒盟^巴彦淖尔盟^伊克昭盟"
+"||华中地区{{"
+"湖北((武汉^宜昌^荆州^襄樊^黄石^荆门^黄冈^十堰^恩施^潜江^天门^仙桃^随州^咸宁^孝感^鄂州"
+"**湖南((长沙^常德^株洲^湘潭^衡阳^岳阳^邵阳^益阳^娄底^怀化^郴州^永州^湘西^张家界"
+"||华南地区{{"
+"广东((广州^深圳^珠海^汕头^东莞^中山^佛山^韶关^江门^湛江^茂名^肇庆^惠州^梅州^汕尾^河源^阳江^清远^潮州^揭阳^云浮"
+"**广西((南宁^柳州^桂林^梧州^北海^防城港^钦州^贵港^玉林^南宁地区^柳州地区^贺州^百色^河池"
+"**福建((福州^厦门^莆田^三明^泉州^漳州^南平^龙岩^宁德"
+"**海南((海口^三亚"
+"||西南地区{{"
+"四川((成都^绵阳^德阳^自贡^攀枝花^广元^内江^乐山^南充^宜宾^广安^达川^雅安^眉山^甘孜^凉山^泸州"
+"**重庆((万州^涪陵^渝中^大渡口^江北^沙坪坝^九龙坡^南岸^北碚^万盛^双挢^渝北^巴南^黔江^长寿^綦江^潼南^铜梁^大足^荣昌^壁山^梁平^城口^丰都^垫江^武隆^忠县^开县^云阳^奉节^巫山^巫溪^石柱^秀山^酉阳^彭水^江津^合川^永川^南川"
+"**贵州((贵阳^六盘水^遵义^安顺^铜仁^黔西南^毕节^黔东南^黔南"
+"**云南((昆明^大理^曲靖^玉溪^昭通^楚雄^红河^文山^思茅^西双版纳^保山^德宏^丽江^怒江^迪庆^临沧"
+"**西藏((拉萨^日喀则^山南^林芝^昌都^阿里^那曲"
+"||西北地区{{"
+"陕西((西安^宝鸡^咸阳^铜川^渭南^延安^榆林^汉中^安康^商洛"
+"**甘肃((兰州^嘉峪关^金昌^白银^天水^酒泉^张掖^武威^定西^陇南^平凉^庆阳^临夏^甘南"
+"**宁夏((银川^石嘴山^吴忠^固原"
+"**青海((西宁^海东^海南^海北^黄南^玉树^果洛^海西"
+"**新疆((乌鲁木齐^石河子^克拉玛依^伊犁^巴音郭勒^昌吉^克孜勒苏柯尔克孜^博尔塔拉^吐鲁番^哈密^喀什^和田^阿克苏"
+"||华东地区{{"
+"上海((黄浦^卢湾^徐汇^长宁^静安^普陀^闸北^虹口^杨浦^闵行^宝山^嘉定^浦东^金山^松江^青浦^南汇^奉贤^崇明"
+"**江苏((南京^镇江^苏州^南通^扬州^盐城^徐州^连云港^常州^无锡^宿迁^泰州^淮安"
+"**浙江((杭州^宁波^温州^嘉兴^湖州^绍兴^金华^衢州^舟山^台州^丽水"
+"**安徽((合肥^芜湖^蚌埠^马鞍山^淮北^铜陵^安庆^黄山^滁州^宿州^池州^淮南^巢湖^阜阳^六安^宣城^亳州"
+"**江西((南昌市^景德镇^九江^鹰潭^萍乡^新馀^赣州^吉安^宜春^抚州^上饶"
+"||港澳台地区{{"
+"香港((香港"
+"**澳门((澳门"
+"**台湾((台北^高雄^台中^台南^屏东^南投^云林^新竹^彰化^苗栗^嘉义^花莲^桃园^宜兰^基隆^台东^金门^马祖^澎湖"
+"||其它地区{{"
+"其它((其它"
</SCRIPT>
<FORM name="HwForm">
<HR>选择一次<br>
<SCRIPT LANGUAGE="JavaScript">
CreateSelect("","S_13|S_23|S_33","","请选择地区@|请选择省份@|请选择城市@",AllStr1,0)
</SCRIPT>
<HR>选择三次<br>
<SCRIPT LANGUAGE="JavaScript">
CreateSelect("HwForm","S_1|S_2|S_3","华北地区|山东|济宁","请选择地区@|请选择省份@|请选择城市@",AllStr1,3)
</SCRIPT>
<SCRIPT LANGUAGE="JavaScript">
<!--
var AllStr2 = ""
+"笔记本{{"
+"IBM((R32^T40^T42"
+"**DELL((N600^M600"
+"||数码相机{{"
+"CANON((A75^A80^A85"
+"**SONY((S80^S60"
</SCRIPT>
<HR>选择二次<br><SCRIPT LANGUAGE="JavaScript">
CreateSelect("HwForm","S_11|S_21|S_31","笔记本|IBM|T42","请选择分类@|请选择品牌@|请选择系列@",AllStr2,2)
</SCRIPT>
<HR>选择二次<br><SCRIPT LANGUAGE="JavaScript">
CreateSelect("HwForm","S_12|S_22|S_32","","请选择分类@|请选择品牌@|请选择系列@",AllStr2,1)
</SCRIPT>
</FORM>
</body>
</html>
引入js 测试一下，希望对你有帮助
html代码的查看方法：打开编辑某个宝贝，在宝贝描述上面点击查看源代码就可以看到宝贝描述的详细代码了。
代码倒是可以查看，但是据我所知，好像没有批量提取代码的软件。
1、你用记事本打开你的html文件，复制内容；2、点击宝贝描述编辑器的第一个按钮（源码），双向箭头；
3、粘贴内容。
4、再点源码按钮预览效果；
5、不满意再编辑
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