<!DOCTYPE html>
<html lang=
"en"
>
<head>
<meta charset=
"UTF-8"
>
<title>layui-下拉框联动测试</title>
<link rel=
"stylesheet"
href=
"layui/css/layui.css"
rel=
"external nofollow"
>
</head>
<body>
<p id=
"wrap"
>
<p
class
=
"layui-form"
lay-filter=
"merchantForm"
>
<p
class
=
"layui-form-item"
>
<label
class
=
"layui-form-label"
>选择框</label>
<p
class
=
"layui-input-block"
>
<select name=
"city"
lay-verify=
"required"
id=
"test1"
lay-filter=
"test1"
>
<option value=
"0"
>时间</option>
<option value=
"1"
>金额</option>
</select>
</p>
</p>
<p
class
=
"layui-form-item"
>
<label
class
=
"layui-form-label"
>选择框</label>
<p
class
=
"layui-input-block"
>
<select name=
"city"
lay-verify=
"required"
id=
"test2"
lay-filter=
"test2"
>
<option value=
""
>请选择规则名称</option>
</select>
</p>
</p>
</p>
<button id=
"btn"
>确定</button>
</body>
<script src=
"layui/layui.all.js"
></script>
<script src=
"layui/jquery-1.8.3.min.js"
></script>
<script>
var
data=[
{unitType:0,ruleName:
'时间规则11'
,amount:1100,money:1100},
{unitType:0,ruleName:
'时间规则12'
,amount:1200,money:1200},
{unitType:0,ruleName:
'时间规则13'
,amount:1300,money:1300},
{unitType:1,ruleName:
'金额规则21'
,amount:2100,money:2100},
{unitType:1,ruleName:
'金额规则22'
,amount:2200,money:2200},
{unitType:1,ruleName:
'金额规则23'
,amount:2300,money:2300},
];
layui.
use
(
'form'
,
function
(){
var
form = layui.form;
$(
'#test2'
).html(
''
);
var
html=
''
;
$.each(data,
function
(i,e){
if
(e.unitType==0)
html+=`<option data-type=
"${e.unitType}"
>${e.ruleName}</option>`;
})
$(
'#test2'
).append(html);
form.render(
'select'
);
})
layui.
use
(
'form'
,
function
(){
var
form = layui.form;
form.on(
'select(test1)'
,
function
(obj){
$(
'#test2'
).html(
''
);
var
html=
''
;
if
(obj.value==0){
$.each(data,
function
(i,e){
if
(e.unitType==obj.value)
html+=`<option data-type=
"${e.unitType}"
>${e.ruleName}</option>`;
})
$(
'#test2'
).append(html);
}
else
if
(obj.value==1){
$.each(data,
function
(i,e){
if
(e.unitType==obj.value)
html+=`<option data-type=
"${e.unitType}"
>${e.ruleName}</option>`;
})
$(
'#test2'
).append(html);
}
form.render(
'select'
);
});
})
$(
'#btn'
).click(
function
(){
var
thisValue=data.find((v)=>v.ruleName==$(
'#test2'
).val());
console.log(thisValue);
})
</script>
</html>