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省市二级联动

Posted on 2007-10-23 09:34 草 鞋 阅读(185) 评论(0)  编辑  收藏 所属分类: JavaScript


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>二级级联</title>
<style type="text/css">
<!--
body {
    font-size: 12px;
    background-color: #CCCCCC;
}
select {
    background-color: #CCCCCC;
    text-align: left;
}
-->
</style>
<script language="javascript" type="text/javascript">
<!--
/*
[select]二级级联
版权归    海娃@www.51windows.Net所有
Abo Blog修改少数部分
*/

//定义分隔符,用于分割[select]变量
var TheSplit1 = "*"        //一级选项与一级选项之间的分隔符
var TheSplit2 = "|"        //一级选项与二级选项之间的分隔符
var TheSplit3 = "^"        //二级选项与二级选项之间的分隔符
var TheSplit4 = "@"        //选项文本与选项值的分隔符,可以省略[值为选项文本值]

/*
定义[select]框选项变量,这里以省市二级为例
例:一级选项一|二级选项一^二级选项二^二级选项三*一级选项二|*二级选项三|
*香港|*澳门
注:当一级选项没有二级下属时,请在后面加上TheSplit2分隔符,否帽关联将会出错,所以应该注意防止此类错误发生
如果选项文本与选项值不同时,请在选项文本后加上@值格式:[Text@Value]
如:北京@010|东城@0101^西城@0102
*/
var hwallselecttext = "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*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*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*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*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*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*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*吉林|长春^吉林^四平^辽源^通化^白山^松原^白城^延边*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*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*福建|福州^厦门^莆田^三明^泉州^漳州^南平^龙岩^宁德*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*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*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*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*海南|海口^三亚*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*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*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*香港|*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|北美洲^南美洲^亚洲^非洲^欧洲^大洋洲"

//默认值,当选项值有相同时有bug。
var hwdefault_value ="福建福州"

var hwallselecttextarr
hwallselecttextarr = hwallselecttext.split(TheSplit1)
hwArraylength = hwallselecttextarr.length
var hwwhere = new Array(hwArraylength);
hwwhere[0]= new hw_comefrom("请选择@","请选择@");

for (var hwl=0;hwl<hwArraylength;hwl++)
{
    eval(hwwhere[hwl+1] = new hw_comefrom(hwallselecttextarr[hwl].split(TheSplit2)[0],hwallselecttextarr[hwl].split(TheSplit2)[1]))
}

function hw_comefrom(hwSelect_s1,hwSelect_s2)
{
    this.hwSelect_s1 = hwSelect_s1;
    this.hwSelect_s2 = hwSelect_s2;
}

function hw_select(boss,underling)
{
    with(document.getElementsByName(boss)[0])
    {
        var hwSelect_s12 = options[selectedIndex].value;
    }
    for(hwi = 0;hwi < hwwhere.length;hwi ++)
    {
        if (hwwhere[hwi].hwSelect_s1.indexOf(TheSplit4)!=-1)
        {
            var hwThisV = hwwhere[hwi].hwSelect_s1.split(TheSplit4)[1]
        }
        else
        {
            var hwThisV = hwwhere[hwi].hwSelect_s1
        }
        if (hwThisV == hwSelect_s12)
        {
            hwSelect_s13 = (hwwhere[hwi].hwSelect_s2).split(TheSplit3);
            for(hwj = 0;hwj < hwSelect_s13.length;hwj++)
            {
                with(document.getElementsByName(underling)[0])
                {
                    length = hwSelect_s13.length;
                    if (hwSelect_s13[hwj].indexOf(TheSplit4)!=-1)
                    {
                        options[hwj].text = hwSelect_s13[hwj].split(TheSplit4)[0]
                        options[hwj].value = hwSelect_s13[hwj].split(TheSplit4)[1]
                    }
                    else
                    {
                        options[hwj].text = hwSelect_s13[hwj];
                        options[hwj].value = hwSelect_s13[hwj];
                    }
                    var hwSelect_s14=options[selectedIndex].value;
                }
            }
        break;
        }
    }
}
function hw_init(boss,underling)
{
    with(document.getElementsByName(boss)[0])
    {
        length = hwwhere.length;
        var hwm = 0
        for(hwk=0;hwk<hwwhere.length;hwk++)
        {
            if (hwwhere[hwk].hwSelect_s1.indexOf(TheSplit4)!=-1)
            {
                options[hwk].text = hwwhere[hwk].hwSelect_s1.split(TheSplit4)[0];
                options[hwk].value = hwwhere[hwk].hwSelect_s1.split(TheSplit4)[1];
                if (hwdefault_value.indexOf(hwwhere[hwk].hwSelect_s1.split(TheSplit4)[1])!=-1){hwm = hwk}
            }
            else
            {
                options[hwk].text = hwwhere[hwk].hwSelect_s1;
                options[hwk].value = hwwhere[hwk].hwSelect_s1;
                if (hwdefault_value.indexOf(hwwhere[hwk].hwSelect_s1)!=-1){hwm = hwk}
            }
        }
        selectedIndex = hwm
    }
    with(document.getElementsByName(underling)[0])
    {
        var hwn = 0
        hwSelect_s13 = (hwwhere[hwm].hwSelect_s2).split(TheSplit3);
        length = hwSelect_s13.length;
        for(hwl=0;hwl<length;hwl++)
        {
            if (hwSelect_s13[hwl].indexOf(TheSplit4)!=-1)
            {
                options[hwl].text = hwSelect_s13[hwl].split(TheSplit4)[0];
                options[hwl].value = hwSelect_s13[hwl].split(TheSplit4)[1];
                if (hwdefault_value.indexOf(hwSelect_s13[hwl].split(TheSplit4)[1])!=-1){hwn = hwl}
            }
            else
            {
                options[hwl].text = hwSelect_s13[hwl];
                options[hwl].value = hwSelect_s13[hwl];
                if (hwdefault_value.indexOf(hwSelect_s13[hwl])!=-1){hwn = hwl}
            }
        }
        selectedIndex = hwn
    }
}
-->
</script>
</head>

<body>
<form name="form1" method="post" action="">
    请选择省份:
  <select name="select_p" onChange = "hw_select('select_p','select_c')">
  </select>
  <br>
    请选择城市:
    <select name="select_c" onChange = "hw_select('select_p','select_c')">
    </select>
    <br>
    <br>
    <strong>注</strong>:选择框必须加入onChange事件<br>
&lt;select name=&quot;select_p&quot; onChange = &quot;hw_select('boss','underling')&quot;&gt;&lt;/select&gt;<br>
boss:一级[这里即“省份”]的name标签,标签名可以不唯一,但是必须在页面上第一个出现
<br>
underling:二级[这里即“城市”]的name标签,标签名可以不唯一,但是必须在页面上第一个出现
</form>
<script language="JavaScript" type="text/JavaScript">
<!--
//初始化
hw_init("select_p","select_c");
-->
</script>
</body>
</html>