首先来总结element ui 官方文档的左侧菜单结构,带有el-submenu为子级节点,el-menu-item表示没有下级。当然,菜单不能写死，因为菜单也许不止两级,所以我们需要递归来实现。根据当前节点是否有下级去判断,如果有下级,则继续调用子级,直到没有下级为止,下面我贴上左侧菜单所有的代码:
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请求数据格式
[
{
name: "首页",
id: -1,
icon: "el-icon-picture-outline-round",
url: "/index",
children: []
},
{
name: "按钮",
id: 20,
icon: "el-icon-message-solid",
url: "/button",
children: []
},
{
name: "测试1",
id: 1,
icon: "el-icon-s-claim",
url: "",
children: [
{
id: 4,
parentid: 1,
name: "测试1-1",
icon: "el-icon-chat-dot-round",
url: "",
children: [
{
id: 8,
parentid: 1,
name: "测试1-1-1",
icon: "el-icon-cloudy",
url: "/test",
children: []
},
{
id: 9,
parentid: 1,
name: "测试1-1-2",
icon: "el-icon-files",
url: "/test1",
children: []
}
]
},
{
id: 5,
parentid: 1,
name: "测试1-2",
icon: "el-icon-shopping-cart-1",
url: "/test3",
children: []
}
]
},
{
name: "测试2",
id: 2,
icon: "el-icon-menu",
url: "",
children: [
{
id: 6,
parentid: 2,
name: "测试2-1",
icon: "el-icon-folder-checked",
url: "",
children: []
},
{
id: 7,
parentid: 2,
name: "测试2-2",
icon: "el-icon-folder-remove",
url: "",
children: []
}
]
},
{
name: "测试3",
id: 3,
icon: "el-icon-monitor",
url: "",
children: []
}
]menu.vue
submenu.vue
这里有个知识点functional,不懂自行百度,文档地址: https://cn.vuejs.org/v2/guide/render-function.html#search-query-sidebar
5{{props.data.name}} {{item.name}}
效果图
总结
以上所述是小编给大家介绍的vue element 生成无线级左侧菜单的实现代码，希望对大家有所帮助，如果大家有任何疑问欢迎给我留言，小编会及时会及时回复大家的！
