• jQuery实现select三级联动

    参考：jQuery权威指南
    jQuery初步
    jQuery选择器
    jQuery操作dom
    jQuery操作dom事件
    jQuery插件
    jQuery操作Ajax
    jQuery动画与特效
    jQuery实现导航栏
    jQuery实现点击式选项卡
    jQuery实现select三级联动

    效果



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    <!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=UTF-8">
        <style type="text/css">
        body{
            font-size: 13px;
        }
        .clsInit{
             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;
             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>
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  • 原文地址：https://www.cnblogs.com/meet/p/4748535.html
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