十分钟玩转jQuery---三级联动

这里给大家推荐一款免费迭代二开便捷的商城项目：源码直通车>>>

话不多说直接上实例

javascript"><!DOCTYPE html>
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <style type="text/css">
    body{
        font-size: 13px;
    }
    .clsInit{
        width: 450px;
        height: 35px;
        line-height: 35px;
        padding-left: 10px;
    }
    .clsTip{
        padding-top: 5px;
        background-color: #eee;
        display: none;
    }
    .btn{
        border: 1px solid #666;
        padding: 2px;
        width: 65px;
        float: right;
        margin-top: 6px;
        margin-right: 6px;     
    }
    </style>
<script type="text/javascript" src="jquery-1.4.4.js"></script>
<script type="text/javascript">
    $(function(){
        function objInit(obj){
            return $(obj).html("<option>请选择</option>");
        }
        var arrData = {
            厂商1:{品牌1_1: "型号1_1_1, 型号1_1_2", 品牌1_2: "型号1_2_1, 型号1_2_2"},
            厂商2:{品牌2_1: "型号2_1_1, 型号2_1_2", 品牌2_2: "型号2_2_1, 型号2_2_2"},
            厂商3:{品牌3_1: "型号3_1_1, 型号3_1_2", 品牌3_2: "型号3_2_1, 型号3_2_2"}
        };
   
        $.each(arrData,function(pF) {
            $("#selF").append("<option>"+pF+"</option>");
        });
   
        $("#selF").change(function() {
            objInit("#selT");
            objInit("#selC");
            $.each(arrData,function(pF, pS) {              
                if ($("#selF option:selected").text() == pF) {
                    //遍历数据增加品牌项
                    $.each(pS,function(pT,pC) {                    
                        $("#selT").append('<option>'+pT+'</option>');                      
                    });
   
                    //品牌列表change事件
                    $("#selT").change(function() {
                        objInit("#selC");
                        $.each(pS,function(pT, pC) {
                            if ($("#selT option:selected").text() == pT) {
                                $.each(pC.split(","),function() {
                                    $("#selC").append('<option>'+this+'</option>');
                                });
                            };
                        });
                    });                
   
                };
            });
        });
   
        $("#Button1").click(function() {
            var strValue = "您选择的是：";
            strValue += $("#selF option:selected").text();
            strValue += "&nbsp;&nbsp;品牌：";
            strValue += $("#selT option:selected").text();
            strValue += "&nbsp;&nbsp;型号：";
            strValue += $("#selC option:selected").text();
            $("#divTip").show().addClass('clsTip').html(strValue);
        });
   
    });
</script>
<title>jQuery实现select三级联动</title>
</head>
<body>
    <div class="clsInit">
        厂商：<select id="selF"><option>请选择</option></select>
        品牌：<select id="selT"><option>请选择</option></select>
        型号：<select id="selC"><option>请选择</option></select>
        <input id="Button1" type="button" value="查询" class="btn"/>
    </div>
    <div class="clsInit" id="divTip"></div>
</body>
</html>