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Jquery+json绑定带层次下拉框（select控件）

2024-07-18 10:52:38   226人阅读

一、实现的效果图

二、主要代码

html代码

                <select id="pid" runat="server">                    <option value="0" data="|0|">不选父级类</option>                </select>

Jquery代码

　　　　　　　var html = [‘<option value="http://www.mamicode.com/0">不选父级模块</option>‘];            var data =http://www.mamicode.com/ eval(json.msg);            var levelStr;            for (var key in data) {                var str = data[key].itemvalue;                var _p = str.split("|")[2];                var _c = data[key].pId;                if (_p == _c) {                    if (_p != "") {                        levelStr = "┗━┻━";                    }                    else {                        levelStr = "┗━";                    }                    html.push(‘<option value="http://www.mamicode.com/‘ + data[key].id + ‘">‘ + levelStr + data[key].name + ‘</option>‘);                }                $("select[name=‘pid‘]").empty().append(html.join(‘‘));            }

json格式字符串

"[
{"id":31,"pId":0,"name":"新闻中心","itemvalue":"|0|"},
{"id":51,"pId":31,"name":"企业快讯","itemvalue":"|0|31|"},
{"id":52,"pId":31,"name":"企业公告","itemvalue":"|0|31|"},
{"id":53,"pId":31,"name":"行业动态","itemvalue":"|0|31|" },
{"id":91,"pId":31,"name":"新闻中心","itemvalue":"|0|31|"},
{"id":93,"pId":31,"name":"企业快讯","itemvalue":"|0|31|"},
{"id":94,"pId":31,"name":"企业公告","itemvalue":"|0|31|"}，

{"id":54,"pId":0,"name":"关于盟友捌捌","itemvalue":"|0|"},
{"id":55,"pId":54,"name":"企业概况","itemvalue":"|0|54|"},
{"id":56,"pId":54,"name":"企业文化","itemvalue":"|0|54|"},
{"id":57,"pId":54,"name":"企业发展","itemvalue":"|0|54|"}
]"

 


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