三级下拉菜单 (通用版)

男娘i 2022-09-23 04:52 273阅读 0赞 
  1. <SCRIPT LANGUAGE="JavaScript">
  2. <!--
  3. function CreateSelect(_FormName,_SName,_SValue,_Ds,_AllOptionStr,ShowType)
  4. {
  5.     //三级关链菜单通用版
  6.     //作者:海娃， 有问题请到http://www.51windows.Net留言。
  7.     if (_FormName=="")
  8.         _FormName = "all"
  9.     var _DsArr = _Ds.split("|")
  10.     var _Ds1,_Ds2,_Ds3
  11.     var _Ds1 = _DsArr[0]
  12.     var _Ds2 = (_DsArr.length>1)?_DsArr[1]:_DsArr[0]
  13.     var _Ds3 = (_DsArr.length>2)?_DsArr[2]:_DsArr[0]
  15.     var _SNameArr = _SName.split("|")
  16.     var _SName1,_SName2,_SName3
  17.     var _SName1 = _SNameArr[0]
  18.     var _SName2 = (_SNameArr.length>1)?_SNameArr[1]:_SNameArr[0]
  19.     var _SName3 = (_SNameArr.length>2)?_SNameArr[2]:_SNameArr[0]
  21.     var _SValueArr = _SValue.split("|")
  22.     var _SValue1,_SValue2,_SValue3
  23.     var _SValue1 = _SValueArr[0]
  24.     var _SValue2 = (_SValueArr.length>1)?_SValueArr[1]:_SValueArr[0]
  25.     var _SValue3 = (_SValueArr.length>2)?_SValueArr[2]:_SValueArr[0]
  27.     if (ShowType==3){
  28.         _AllOptionStr = _AllOptionStr.replace(/\(\(/ig,"\(\("+_Ds3+"\^")
  29.         _AllOptionStr = _AllOptionStr.replace(/\{\{/ig,"\{\{"+_Ds2+"\(\("+_Ds3+"\*\*")
  30.     }
  31.     else if(ShowType==2){
  32.         _AllOptionStr = _AllOptionStr.replace(/\{\{/ig,"\{\{"+_Ds2+"\(\("+_Ds3+"\*\*")
  33.     }
  34.     else if(ShowType==1){
  35.         _AllOptionStr = _AllOptionStr.replace(/\(\(/ig,"\(\("+_Ds3+"\^")
  36.     }
  37.     var AllStr = _Ds1 + "{
  38.    {"+ _Ds2 + "(("+ _Ds3 +"||"+_AllOptionStr
  39.     //alert(AllStr)
  40.     var _AR0 = AllStr.split("||");
  41.     document.writeln("<select name=\"" + _SName1 + "\" size=\"1\" onChange=\""+_SName1+"redirect(this.options.selectedIndex)\">");
  42.     for (var i1 = 0;i1 < _AR0.length;i1++)
  43.     {
  44.         var Area1Str = _AR0[i1];
  45.         var _AR10 = Area1Str.split("{
  46.    {");
  47.         var _AR11 = _AR10[0].split("@");
  48.         var Tstr1 = _AR11[0];
  49.         var Vstr1 = (_AR11.length==2)?_AR11[1]:_AR11[0]
  50.         document.writeln("<option value=\""+Vstr1+"\">"+Tstr1+"<\/option>");
  51.     }
  52.     document.writeln("<\/select>");
  54.     document.writeln("<select name=\"" + _SName2 + "\" size=\"1\" onChange=\""+_SName1+"redirect1(this.options.selectedIndex)\">");
  55.     var _AR111 = _Ds2.split("@");
  56.     var Tstr11 = _AR111[0];
  57.     var Vstr11 = (_AR111.length==2)?_AR111[1]:_AR111[0];
  58.     document.writeln("<option value=\""+Vstr11+"\">"+Tstr11+"<\/option>");
  59.     document.writeln("<\/select>");
  61.     document.writeln("<select name=\"" + _SName3 + "\" size=\"1\">");
  62.     var _AR222 = _Ds3.split("@");
  63.     var Tstr22 = _AR222[0];
  64.     var Vstr22 = (_AR222.length==2)?_AR222[1]:_AR222[0];
  65.     document.writeln("<option value=\""+Vstr22+"\">"+Tstr22+"<\/option>");
  66.     document.writeln("<\/select>");
  68.     document.writeln("<S"+"CRIPT LANGUAGE=\"JavaScript\" defer>");
  69.     document.writeln("<!--");
  70.     document.writeln("var "+_SName1+"NewAllStr = \""+ AllStr +"\"");
  71.     document.writeln("var "+_SName1+"_AR0 = "+_SName1+"NewAllStr.split(\"||\");");
  72.     document.writeln("var "+_SName1+"groups=document."+ _FormName +"." + _SName1 + ".options.length;");
  73.     document.writeln("var "+_SName1+"group=new Array("+_SName1+"groups)");
  74.     document.writeln("for (i=0; i<"+_SName1+"groups; i++){");
  75.     document.writeln("    "+_SName1+"group[i]=new Array();");
  76.     document.writeln("}");
  77.     document.writeln("for (var i1 = 0;i1 < "+_SName1+"_AR0.length;i1++){");
  78.     document.writeln("    var Area1Str = "+_SName1+"_AR0[i1];");
  79.     document.writeln("    var _AR10 = Area1Str.split(\"{
  80.    {\");");
  81.     document.writeln("    var _AR12 = _AR10[1].split(\"**\");");
  82.     document.writeln("    for (var i2 = 0;i2 < _AR12.length;i2++){");
  83.     document.writeln("        var Area2Str = _AR12[i2];");
  84.     document.writeln("        var _AR20 = Area2Str.split(\"((\");");
  85.     document.writeln("        var _AR211 = _AR20[0].split(\"@\");");
  86.     document.writeln("        var Tstr2 = _AR211[0];");
  87.     document.writeln("        var Vstr2 = (_AR211.length==2)?_AR211[1]:_AR211[0];");
  88.     document.writeln("        "+_SName1+"group[i1][i2]=new Option(Tstr2,Vstr2);");
  89.     document.writeln("    }");
  90.     document.writeln("}");
  91.     document.writeln("var "+_SName1+"temp = document."+ _FormName +"." + _SName2);
  92.     document.writeln("function "+_SName1+"redirect(x){");
  93.     document.writeln("    for (m="+_SName1+"temp.options.length-1;m>0;m--)");
  94.     document.writeln("    "+_SName1+"temp.options[m]=null;");
  95.     document.writeln("    for (i=0;i<"+_SName1+"group[x].length;i++){");
  96.     document.writeln("        "+_SName1+"temp.options[i]=new Option("+_SName1+"group[x][i].text,"+_SName1+"group[x][i].value);");
  97.     document.writeln("    }");
  98.     document.writeln("    "+_SName1+"temp.options[0].selected=true");
  99.     document.writeln("    "+_SName1+"redirect1(0)");
  100.     document.writeln("}");
  101.     document.writeln("var "+_SName1+"Group2s=document."+ _FormName +"." + _SName2 + ".options.length;");
  102.     document.writeln("var "+_SName1+"Group2=new Array("+_SName1+"groups);");
  103.     document.writeln("for (i=0; i<"+_SName1+"groups; i++){");
  104.     document.writeln("    "+_SName1+"Group2[i]=new Array("+_SName1+"group[i].length)");
  105.     document.writeln("    for (j=0; j<"+_SName1+"group[i].length; j++){");
  106.     document.writeln("        "+_SName1+"Group2[i][j]=new Array()");
  107.     document.writeln("    }");
  108.     document.writeln("}");
  109.     document.writeln("for (var i1 = 0;i1 < "+_SName1+"_AR0.length;i1++){");
  110.     document.writeln("    var Area1Str = "+_SName1+"_AR0[i1]");
  111.     document.writeln("    var _AR10 = Area1Str.split(\"{
  112.    {\");");
  113.     document.writeln("    var _AR12 = _AR10[1].split(\"**\");");
  114.     document.writeln("    for (var i2 = 0;i2 < _AR12.length;i2++){");
  115.     document.writeln("        var Area2Str = _AR12[i2]");
  116.     document.writeln("        var _AR20 = Area2Str.split(\"((\");");
  117.     document.writeln("        _AR212 = _AR20[1].split(\"^\");");
  118.     document.writeln("        for (var i3 = 0;i3 < _AR212.length;i3++){");
  119.     document.writeln("            Area3Str = _AR212[i3]");
  120.     document.writeln("            _AR3 = Area3Str.split(\"@\");");
  121.     document.writeln("            Tstr3 = _AR3[0]");
  122.     document.writeln("            Vstr3 = (_AR3.length==2)?_AR3[1]:_AR3[0]");
  123.     document.writeln("            "+_SName1+"Group2[i1][i2][i3]=new Option(Tstr3,Vstr3);");
  124.     document.writeln("        }");
  125.     document.writeln("    }");
  126.     document.writeln("}");
  127.     document.writeln("var "+_SName1+"temp1=document."+ _FormName +"." + _SName3 + "");
  128.     document.writeln("function "+_SName1+"redirect1(y){");
  129.     document.writeln("    for (m="+_SName1+"temp1.options.length-1;m>0;m--)");
  130.     document.writeln("    "+_SName1+"temp1.options[m]=null");
  131.     document.writeln("    for (i=0;i<"+_SName1+"Group2[document."+ _FormName +"." + _SName1 + ".options.selectedIndex][y].length;i++){");
  132.     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)");
  133.     document.writeln("    }");
  134.     document.writeln("    "+_SName1+"temp1.options[0].selected=true");
  135.     document.writeln("}");
  136.     document.writeln("\/\/-->");
  137.     document.writeln("<\/script>");
  138.     document.writeln("<s"+"cript language=\"JavaScript\">");
  139.     document.writeln("<!--");
  140.     document.writeln("function "+_SName1+"SetValue(){");
  141.     document.writeln("    try{");
  142.     document.writeln("        if (\""+_SValue1+"\"!=\"\"){");
  143.     document.writeln("            document."+ _FormName +"."+_SName1+".value=\""+_SValue1+"\"");
  144.     document.writeln("            "+_SName1+"redirect(document."+ _FormName +"."+_SName1+".options.selectedIndex);");
  145.     document.writeln("            if (\""+_SValue2+"\"!=\"\"){");
  146.     document.writeln("                document."+ _FormName +"."+_SName2+".value=\""+_SValue2+"\"");
  147.     document.writeln("                "+_SName1+"redirect1(document."+ _FormName +"."+_SName2+".options.selectedIndex)");
  148.     document.writeln("                if (\""+_SValue3+"\"!=\"\")");
  149.     document.writeln("                    document."+ _FormName +"."+_SName3+".value=\""+_SValue3+"\"");
  150.     document.writeln("            }");
  151.     document.writeln("        }");
  152.     document.writeln("    }");
  153.     document.writeln("    catch(e){");
  154.     document.writeln("    }");
  155.     document.writeln("}");
  156.     document.writeln("window.attachEvent(\"onload\","+_SName1+"SetValue)");
  157.     document.writeln("\/\/-->");
  158.     document.writeln("<\/script>");
  159. }
  160. //-->
  161. </script>
  163. <SCRIPT LANGUAGE="JavaScript">
  164. <!--
  165. var AllStr1 = ""
  166. +"东北地区{
  167.    {"
  168.     +"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"
  169.     +"**吉林((长春^吉林^四平^辽源^通化^白山^松原^白城^延边"
  170.     +"**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"
  171. +"||华北地区{
  172.    {"
  173.     +"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"
  174.     +"**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"
  175.     +"**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"
  176.     +"**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"
  177.     +"**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"
  178.     +"**山西((太原^大同^阳泉^长治^晋城^朔州^吕梁^忻州^晋中^临汾^运城"
  179.     +"**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"
  180. +"||华中地区{
  181.    {"
  182.     +"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"
  183.     +"**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"
  184. +"||华南地区{
  185.    {"
  186.     +"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"
  187.     +"**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"
  188.     +"**福建((福州^厦门^莆田^三明^泉州^漳州^南平^龙岩^宁德"
  189.     +"**海南((海口^三亚"
  190. +"||西南地区{
  191.    {"
  192.     +"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"
  193.     +"**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"
  194.     +"**贵州((贵阳^六盘水^遵义^安顺^铜仁^黔西南^毕节^黔东南^黔南"
  195.     +"**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"
  196.     +"**西藏((拉萨^日喀则^山南^林芝^昌都^阿里^那曲"
  197. +"||西北地区{
  198.    {"
  199.     +"陕西((西安^宝鸡^咸阳^铜川^渭南^延安^榆林^汉中^安康^商洛"
  200.     +"**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"
  201.     +"**宁夏((银川^石嘴山^吴忠^固原"
  202.     +"**青海((西宁^海东^海南^海北^黄南^玉树^果洛^海西"
  203.     +"**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"
  204. +"||华东地区{
  205.    {"
  206.     +"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"
  207.     +"**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"
  208.     +"**浙江((杭州^宁波^温州^嘉兴^湖州^绍兴^金华^衢州^舟山^台州^丽水"
  209.     +"**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"
  210.     +"**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"
  211. +"||港澳台地区{
  212.    {"
  213.     +"香港((香港"
  214.     +"**澳门((澳门"
  215.     +"**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"
  216. +"||其它地区{
  217.    {"
  218.     +"其它((其它"
  219. //-->
  220. </SCRIPT>
  222. <FORM name="HwForm">
  223. <HR>选择一次<br>
  224. <SCRIPT LANGUAGE="JavaScript">
  225. CreateSelect("","S_13|S_23|S_33","","请选择地区@|请选择省份@|请选择城市@",AllStr1,0);
  226. </SCRIPT>
  228. <HR>选择三次<br>
  229. <SCRIPT LANGUAGE="JavaScript">
  230. 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);
  231. </SCRIPT>
  233. <SCRIPT LANGUAGE="JavaScript">
  234. <!--
  235. var AllStr2 = ""
  236. +"笔记本{
  237.    {"
  238.     +"IBM((R32^T40^T42"
  239.     +"**DELL((N600^M600"
  240. +"||数码相机{
  241.    {"
  242.     +"CANON((A75^A80^A85"
  243.     +"**SONY((S80^S60"
  244. //-->
  245. </SCRIPT>
  247. <HR>选择二次<br><SCRIPT LANGUAGE="JavaScript">
  248. 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);
  249. </SCRIPT>
  252. <HR>选择二次<br><SCRIPT LANGUAGE="JavaScript">
  253. 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);
  254. </SCRIPT>
  255. </FORM>

简要说明：



HwForm是表单的名字

而S_1|S_2|S_3是三个Select表单的名字，如果在js中，可以用doucment.HwForm.S_1.value得到选中的一级的值

如果在asp中，可以用Request(“S_3”)得到选中的三级值

20160705101440017

发表评论

表情：
评论列表 （有 0 条评论，273人围观）

还没有评论，来说两句吧...

相关阅读

    相关 Bootstrap下拉菜单

    dropdown 类用来指定一个下拉菜单； 使用一个按钮或链接来打开下拉菜单， 按钮或链接需要添加 .dropdown-toggle 和 data-toggle=“drop

    亦凉亦凉/ 0 赞/ 172 阅读