<select class="easyui-combobox" name="businessMy" id="businessMy" style="width:300px;" data-options="editable:false,panelHeight:'auto'"> <option value="是">是</option> <option value="否">否</option> </select>
增加data-options="editable:false,panelHeight:'auto'"
增加前效果:
增加后: