Layui 地区三级联动 form select 渲染的实例_含真_前端开发者

如下所示:

html

<!-- 城市三级联动 -->

 <div class="layui-form-item">
  <label class="layui-form-label require_start"><span>所在城市 :</span></label>

  <div class="layui-input-inline">
   <select id="province" name="province" lay-filter="province">
    <option id="province_init" value="0-0">请选省份</option>
   </select>
  </div>
  <div class="layui-input-inline">
   <select id="city" name="city" lay-filter="city">
    <option id="city_init" 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 class="layui-form-item">
  <label class="layui-form-label"><span>证件类型 :</span></label>
  <div class="layui-input-inline">
   <select name="card_category">
    <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前端开发者

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