JQuery Easyui/TopJUI 创建多级联动下拉框（纯HTML实现！！！）

JQuery Easyui/TopJUI 创建多级联动下拉框（纯HTML实现！！！）

效果展示：

代码如下：

<form data-toggle="topjui-form">
    <div class="topjui-container">
        <fieldset>
            <legend>调用本地数据</legend>
        </fieldset>

        <div class="topjui-row">
            <div class="topjui-col-sm6">
                <label class="topjui-form-label">性别</label>
                <div class="topjui-input-block">
                    <input type="text" name="sex"
                           data-toggle="topjui-combobox"
                           data-options="data:[{value:1,text:'男'},{value:2,text:'女'}]">
                </div>
            </div>
            <div class="topjui-col-sm6">
                <label class="topjui-form-label">学历（必填）</label>
                <div class="topjui-input-block">
                    <input type="text" name="degree"
                           data-toggle="topjui-combobox"
                           data-options="required:true,
                       valueField:'id',
                       textField:'text',
                       data:[{id:1,text:'大专'},{id:2,text:'本科'},{id:3,text:'研究生'},{id:4,text:'博士生'}]">
                </div>
            </div>
        </div>
        <div class="topjui-row">
            <div class="topjui-col-sm6">
                <label class="topjui-form-label">渲染下拉项</label>
                <div class="topjui-input-block">
                    <input type="text" name="degree"
                           data-toggle="topjui-combobox"
                           data-options="required:true,
                           prompt:'使用formatter属性渲染下拉项',
                       valueField:'id',
                       textField:'text',
                       formatter:formatter,
                       data:[{id:2,text:'本科-某大学'},{id:3,text:'研究生-某大学'},{id:4,text:'博士生-某大学'}]">
                </div>
            </div>
        </div>

        <fieldset>
            <legend>调用远程数据</legend>
        </fieldset>
        <div class="topjui-row">
            <div class="topjui-col-sm6">
                <label class="topjui-form-label">籍贯</label>
                <div class="topjui-input-block">
                    <input type="text" name="nativePlace"
                           data-toggle="topjui-combobox"
                           data-options="panelHeight:250,
                       valueField:'id',
                       url:_ctx + '/json/combobox/nativePlace.json'">
                </div>
            </div>
            <div class="topjui-col-sm6">
                <label class="topjui-form-label">民族（必填）</label>
                <div class="topjui-input-block">
                    <input type="text" name="nation"
                           data-toggle="topjui-combobox"
                           data-options="required:true,
                       prompt:'必填',
                       panelHeight:250,
                       valueField:'id',
                       url:_ctx + '/json/combobox/nation.json'">
                </div>
            </div>
        </div>

        <fieldset>
            <legend>多级联动下拉框（主动级联，上级触发下级）</legend>
        </fieldset>

        <div class="topjui-row">
            <div class="topjui-col-sm6">
                <label class="topjui-form-label">国家</label>
                <div class="topjui-input-block">
                    <input type="text" name="country"
                           data-toggle="topjui-combobox"
                           data-options="panelHeight:250,
                       url:_ctx + '/json/combobox/country.json',
                       valueField: 'id',
                       childCombobox:{
                           id:'province',
                           url:remoteHost+'/system/codeItem/getListByPid?pid={parentValue}'
                       }">
                </div>
            </div>
            <div class="topjui-col-sm6">
                <label class="topjui-form-label">省份</label>
                <div class="topjui-input-block">
                    <input type="text" name="province"
                           data-toggle="topjui-combobox"
                           data-options="id:'province',
                       panelHeight:250,
                       valueField: 'id',
                       childCombobox:{
                           id:'city',
                           url:remoteHost+'/system/codeItem/getListByPid?pid={parentValue}'
                       }">
                </div>
            </div>
        </div>

        <div class="topjui-row">
            <div class="topjui-col-sm6">
                <label class="topjui-form-label">城市</label>
                <div class="topjui-input-block">
                    <input type="text" name="city"
                           data-toggle="topjui-combobox"
                           data-options="id:'city',
                       panelHeight:250,
                       valueField: 'id',
                       childCombobox:{
                           id:'district',
                           url:remoteHost+'/system/codeItem/getListByPid?pid={parentValue}'
                       }">
                </div>
            </div>
            <div class="topjui-col-sm6">
                <label class="topjui-form-label">区县</label>
                <div class="topjui-input-block">
                    <input type="text" name="district"
                           data-toggle="topjui-combobox"
                           data-options="id:'district',
                       panelHeight:250,
                       valueField: 'id'">
                </div>
            </div>
        </div>

        <fieldset>
            <legend>多级联动下拉框（被动级联，下级获取上级）</legend>
        </fieldset>

        <div class="topjui-row">
            <div class="topjui-col-sm6">
                <label class="topjui-form-label">国家</label>
                <div class="topjui-input-block">
                    <input type="text" name="country2"
                           data-toggle="topjui-combobox"
                           data-options="panelHeight:250,
                       valueField: 'id',
                       url:_ctx + '/json/combobox/country.json'">
                </div>
            </div>
            <div class="topjui-col-sm6">
                <label class="topjui-form-label">省份</label>
                <div class="topjui-input-block">
                    <input type="text" name="province2"
                           data-toggle="topjui-combobox"
                           data-options="id:'province2',
                       panelHeight:250,
                       valueField: 'id',
                       url:remoteHost+'/system/codeItem/getListByPid?pid={country2}'">
                </div>
            </div>
        </div>

        <div class="topjui-row">
            <div class="topjui-col-sm6">
                <label class="topjui-form-label">城市</label>
                <div class="topjui-input-block">
                    <input type="text"
                           name="city2"
                           data-toggle="topjui-combobox"
                           data-options="id:'city2',
                       panelHeight:250,
                       valueField: 'id',
                       url:remoteHost+'/system/codeItem/getListByPid?pid={province2}'">
                </div>
            </div>
            <div class="topjui-col-sm6">
                <label class="topjui-form-label">区县</label>
                <div class="topjui-input-block">
                    <input type="text"
                           name="district2"
                           data-toggle="topjui-combobox"
                           data-options="id:'district2',
                       panelHeight:250,
                       valueField: 'id',
                       url:remoteHost+'/system/codeItem/getListByPid?pid={city2}'">
                </div>

            </div>
        </div>
    </div>
</form>

　　

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