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index.html
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index.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title></title>
<link href="//unpkg.com/layui@2.9.7/dist/css/layui.css" rel="stylesheet">
<link rel="stylesheet" type="text/css" href="style.css">
</head>
<body>
<div class="layui-container" style="width: 500px">
<form class="layui-form">
<div class="layui-form-item">
<label class="layui-form-label">城市</label>
<div class="layui-input-block">
<input id="multi-select1" name="cities1" class="layui-input" readonly lay-verify="required" placeholder="请选择" />
</div>
</div>
<div class="layui-form-item">
<label class="layui-form-label">城市</label>
<div class="layui-input-block">
<div class="layui-input-group" style="width 100%;">
<div class="layui-input-split layui-input-prefix">
前缀前缀
</div>
<input id="multi-select2" name="cities2" class="layui-input" readonly lay-verify="required" placeholder="请选择" />
<div class="layui-input-split layui-input-suffix">
后缀
</div>
</div>
</div>
</div>
<div class="layui-form-item">
<label class="layui-form-label">城市</label>
<div class="layui-input-block">
<input id="multi-select3" name="cities3" class="layui-input" readonly lay-verify="required" placeholder="请选择" />
</div>
</div>
<div class="layui-form-item">
<label class="layui-form-label">城市</label>
<div class="layui-input-block">
<input id="multi-select4" name="cities4" class="layui-input" readonly lay-verify="required" placeholder="请选择" />
</div>
</div>
<button class="layui-btn" lay-submit lay-filter="demo-verify">提交</button>
<button class="layui-btn" type="button" id="reload">重载</button>
</form>
<input id="multi-select5" name="cities5" class="layui-input" readonly lay-verify="required" placeholder="请选择" />
<h3>URL</h3>
<input id="multi-select6" name="cities6" class="layui-input" readonly lay-verify="required" placeholder="请选择" />
</div>
<script src="//unpkg.com/layui@2.9.7/dist/layui.js"></script>
<script>
layui.config({
base: '/layui-multiple-select/'
}).extend({
select: 'select'
});
layui.use(['select', 'form'], function() {
const select = layui.select;
const form = layui.form;
const $ = layui.$;
var selected = true;
for(let i = 1; i <= 3; i++) {
select.render({
elem: '#multi-select' + i,
keywordPlaceholder: '关键词',
unfilteredText: '没有匹配的选项',
collapseSelected: true,
options: [
{id: 1,title: '北京', selected: selected},
{id: 2,title: '上海', selected: selected},
{id: 3,title: '湖北', selected: selected},
{id: 4,title: '湖南', selected: selected},
{id: 5,title: '河北', selected: selected},
{id: 6,title: '山西', selected: selected},
{id: 7,title: '内蒙古', selected: selected},
{id: 8,title: '西藏', selected: selected},
{id: 9,title: '台湾', selected: selected},
{id: 10,title: '新疆', selected: selected},
{id: 11,title: '天津', selected: selected},
{id: 12,title: '山东', selected: selected},
{id: 13,title: '浙江'},
{id: 14,title: '福建'},
{id: 15,title: '广西'},
{id: 16,title: '贵州'},
{id: 17,title: '四川'},
],
});
}
select.render({
elem: '#multi-select4',
keywordPlaceholder: '关键词',
unfilteredText: '没有匹配的选项',
options: [
{id: 1,title: '北京', selected: false},
{id: 2,title: '上海', selected: selected},
{id: 3,title: '湖北', selected: false},
{id: 4,title: '湖南', selected: selected},
{id: 5,title: '河北', selected: false},
{id: 6,title: '山西', selected: selected},
{id: 7,title: '内蒙古', selected: false},
{id: 8,title: '西藏', selected: selected},
{id: 9,title: '台湾', selected: false},
{id: 10,title: '新疆', selected: false},
{id: 11,title: '天津', selected: false},
{id: 12,title: '山东', selected: false},
{id: 13,title: '浙江'},
{id: 14,title: '福建'},
{id: 15,title: '广西'},
{id: 16,title: '贵州'},
{id: 17,title: '四川'},
],
});
const select5 = select.render({
elem: '#multi-select5',
keywordPlaceholder: '关键词',
unfilteredText: '没有匹配的选项',
options: [
{id: 1,title: '北京', selected: false},
{id: 2,title: '上海', selected: selected},
{id: 3,title: '湖北', selected: false},
{id: 4,title: '湖南', selected: selected},
{id: 5,title: '河北', selected: false},
{id: 6,title: '山西', selected: selected},
{id: 7,title: '内蒙古', selected: false},
{id: 8,title: '西藏', selected: selected},
{id: 9,title: '台湾', selected: false},
{id: 10,title: '新疆', selected: false},
{id: 11,title: '天津', selected: false},
{id: 12,title: '山东', selected: false},
{id: 13,title: '浙江'},
{id: 14,title: '福建'},
{id: 15,title: '广西'},
{id: 16,title: '贵州'},
{id: 17,title: '四川'},
],
});
const select6 = select.render({
elem: '#multi-select6',
keywordPlaceholder: '关键词',
unfilteredText: '没有匹配的选项',
url: 'options.json'
});
$('#reload').click(function() {
select5.reload({
options: [{id: 1,title: '北京'}, {id: 2,title: '上海'}, {id: 3,title: '湖北'}, {id: 4,title: '湖南'}],
});
select5.val('1,4')
});
// 提交事件
form.on('submit(demo-verify)', function(data){
var field = data.field; // 获取表单字段值
// 显示填写结果，仅作演示用
layer.alert(JSON.stringify(field), {
title: '当前填写的字段值'
});
// 此处可执行 Ajax 等操作
// …
return false; // 阻止默认 form 跳转
});
});
</script>
</body>
</html>