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layui添加动态菜单与选项卡 AJAX请求的例子

2019-09-25 10:58 1616 查看

如下所示：

HTML

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
<title>Layui</title>
<link rel="stylesheet" href="js/css/layui.css" rel="external nofollow" media="all">
</head>
<body>
<div class="layui-side layui-bg-black">
<div class="layui-side-scroll">
<!-- 左侧导航区域（可配合layui已有的垂直导航） -->
<ul class="layui-nav layui-nav-tree" lay-filter="test" id="memus"></ul>
</div>
</div>
<div class="layui-body">
<!-- 动态选项卡 -->
<div id="tabzu" class="layui-tab layui-tab-card layui-tab-brief" lay-filter="tabDemo" lay-allowclose="true">
<ul class="layui-tab-title"></ul>
<div class="layui-tab-content"></div>
</div>
</div>
<script src="js/layui.all.js" charset="utf-8"></script>
<script type="text/javascript" src="js/index.js" ></script>
</body>

</html>

index.js

layui.use('element', function() {
function checkLastItem(arr, i) {
return arr.length == (i + 1);
}

function getAhtml(obj){
return "<a href=\"javascript:;\" οnclick=\"addTab('" + obj.name + "','" + obj.url + "')\" >" + obj.name + "</a>";
}
//动态菜单
layui.jquery.ajax({
url: "http://127.0.0.1:18000/sys/menus",
method: 'POST',
success: function(res) {
var html = "";
for(var i = 0; i < res.length; i++) {
var strli = "<li class=\"layui-nav-item lay-unselect \" >";
if (res[i].url =='#'){
strli = strli + "<a href=\"javascript:;\">" + res[i].name + "</a>";
console.log(res[i].name)
}else{
strli = strli + getAhtml(res[i]);
}
if(res[i].pId == "0" && !checkLastItem(res, i) && res[i + 1].pId != "0") {
strli = strli + "<dl class=\"layui-nav-child\" >";
for(; !checkLastItem(res, i) && res[i + 1].pId != "0"; i++) {
strli = strli + "<dd>"+getAhtml(res[i+1])+"</dd>";
}
strli = strli + "</dl>";
}
strli = strli + "</li>";
html = html + strli;
}
layui.jquery("#memus").html(html);
layui.element.init(); //一定初始化一次
}
})
});

//添加选项卡
function addTab(name, url) {
if(layui.jquery(".layui-tab-title li[lay-id='" + name + "']").length > 0) {
//选项卡已经存在
layui.element.tabChange('tabDemo', name);
layer.msg('切换-' + name)
} else {
//动态控制iframe高度
var tabheight = layui.jquery(window).height() - 95;
contentTxt = '<iframe src="' + url + '" scrolling="no" width="100%" height="' + (tabheight) + 'PX"></iframe>';
//新增一个Tab项
layui.element.tabAdd('tabDemo', {
title: name,
content: contentTxt,
id: name
})
//切换刷新
layui.element.tabChange('tabDemo', name)
layer.msg('新增-' + name)
}
}

菜单JSON

[
{
"name": "首页",
"url": "shouye.html",
"id": "1",
"pId": "0"
},
{
"name": "数据库",
"url": "#",
"id": "1",
"pId": "0"
},
{
"name": "MYSQL",
"url": "mysql.html",
"id": "2",
"pId": "1"
},
{
"name": "ORACLE",
"url": "oracle.html",
"id": "3",
"pId": "1"
},
{
"name": "开发语言",
"url": "#",
"id": "4",
"pId": "0"
},
{
"name": "JAVA",
"url": "java.html",
"id": "5",
"pId": "4"
},
{
"name": "Python",
"url": "python.html",
"id": "6",
"pId": "4"
}
]

效果截图

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