layui 地区三级联动 form select 渲染的实例

<!-- 城市三级联动 --> <div> <label><span>所在城市 :</span></label> <div> <select lay-filter="province"> <option value="0-0">请选省份</option> </select> </div> <div> <select lay-filter="city"> <option value="0-0">请选择市</option> </select> </div> </div>

js

// 初始数据 var areaData = <?php echo json_encode($cities); ?>; var $form; var form; var $; layui.use(['jquery', 'form'], function() { $ = layui.jquery; form = layui.form; $form = $('form'); loadProvince(); console.log(areaData); var pi = 0; for (var index in areaData) { if (areaData[index]['provinceCode'] == {{ $assset_auth->province or 0 }}) { var proid = {{$assset_auth->province}}; console.log(proid+'---proid') //当前是355 var province_value = areaData[index]['provinceCode']+'_'+areaData[index]['mallCityList'].length+'_'+pi; console.log(province_value+'--------province_value') //当前是 355_1_42 $("#province").find("option[value='"+province_value+"']").attr("selected", true); // 载入city loadCity(areaData[index]['mallCityList']); var ci = 0; for (var ci in areaData[index]['mallCityList']) { if (areaData[index]['mallCityList'][ci]['cityCode'] == {{ $assset_auth->city or 0 }}) { var city_value = areaData[index]['mallCityList'][ci]['cityCode']+'_0_'+ci; $("#city").find("option[value='"+city_value+"']").attr("selected", true); } ci++; } } pi++; } layui.form.render('select','boardFilter'); });

这是select 选择证件 额外赠送

<!-- 选择证件类型行内判断 --> <div> <label><span>证件类型 :</span></label> <div> <select> <option value="" selected>请选证件类型</option> <option value="1" {{ $param!==NULL ? ($assset_auth->card_category==1 ? 'selected' : '') : '' }}>身份证</option> <option value="2" {{ $param!==NULL ? ($assset_auth->card_category==2 ? 'selected' : '') : '' }}>军官证</option> <option value="3" {{ $param!==NULL ? ($assset_auth->card_category==3 ? 'selected' : '') : '' }}>护照</option> <option value="4" {{ $param!==NULL ? ($assset_auth->card_category==4 ? 'selected' : '') : '' }}>港澳通行证</option> <option value="5" {{ $param!==NULL ? ($assset_auth->card_category==5 ? 'selected' : '') : '' }}>台胞证</option> </select> </div> </div>

总结一句

后台PHP开发 加载数据库字段 让你默认选中 某一个城市

关键步骤在 layui.form.render(‘select','boardFilter');

以上这篇layui 地区三级联动 form select 渲染的实例就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持脚本之家。

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