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layui 地区三级联动 form select 渲染的实例

2019-09-27 11:19 1896 查看

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

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