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[JavaScript知识库]Element---基于VUE的桌面端组件库

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🌈Element

🎉🎉Element：是饿了么公司前端开发团队提供的一套基于 Vue 的网站组件库，用于快速构建网页

🎉🎉组件：组成网页的部件，例如超链接、按钮、图片、表格等等~

🎉🎉Element 官网：https://element.eleme.cn/#/zh-CNListener

🎨Element 快速入门

1. 📌引入Element 的css、js文件和 Vue.js
<script src="vue.js"></script>
<script src="element-ui/lib/index.js"></script>
<link rel="stylesheet" href="element-ui/lib/theme-chalk/index.css">
2. 📌创建Vue核心对象
<script>
    new Vue({
        el:"#app"
    })
</script>
3. 📌官网复制Element组件代码

🎨Element 布局?

Element 中有两种布局方式：

1.📌Layout 布局：通过基础的 24 分栏，迅速简便地创建布局

2.📌Container 布局容器：用于布局的容器组件，方便快速搭建页面的基本结构

🔎Layout 布局

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <!--引入Element 的css、js文件 和 Vue.js-->
    <script src="js/vue.js"></script>
    <script src="element-ui/lib/index.js"></script>
    <link rel="stylesheet" href="element-ui/lib/theme-chalk/index.css">
    <!--css-->
    <style>
        .el-row {
            margin-bottom: 20px;
        }
        .el-col {
            border-radius: 4px;
        }
        .bg-purple-dark {
            background: #99a9bf;
        }
        .bg-purple {
            background: #d3dce6;
        }
        .bg-purple-light {
            background: #e5e9f2;
        }
        .grid-content {
            border-radius: 4px;
            min-height: 36px;
        }
        .row-bg {
            padding: 10px 0;
            background-color: #f9fafc;
        }
    </style>
</head>
<body>
<!--官网复制Element组件代码-->
<div id="app">
    <el-row>
        <el-col :span="24"><div class="grid-content bg-purple-dark"></div></el-col>
    </el-row>
    <el-row>
        <el-col :span="12"><div class="grid-content bg-purple"></div></el-col>
        <el-col :span="12"><div class="grid-content bg-purple-light"></div></el-col>
    </el-row>
    <el-row>
        <el-col :span="8"><div class="grid-content bg-purple"></div></el-col>
        <el-col :span="8"><div class="grid-content bg-purple-light"></div></el-col>
        <el-col :span="8"><div class="grid-content bg-purple"></div></el-col>
    </el-row>
    <el-row>
        <el-col :span="6"><div class="grid-content bg-purple"></div></el-col>
        <el-col :span="6"><div class="grid-content bg-purple-light"></div></el-col>
        <el-col :span="6"><div class="grid-content bg-purple"></div></el-col>
        <el-col :span="6"><div class="grid-content bg-purple-light"></div></el-col>
    </el-row>
    <el-row>
        <el-col :span="4"><div class="grid-content bg-purple"></div></el-col>
        <el-col :span="4"><div class="grid-content bg-purple-light"></div></el-col>
        <el-col :span="4"><div class="grid-content bg-purple"></div></el-col>
        <el-col :span="4"><div class="grid-content bg-purple-light"></div></el-col>
        <el-col :span="4"><div class="grid-content bg-purple"></div></el-col>
        <el-col :span="4"><div class="grid-content bg-purple-light"></div></el-col>
    </el-row>


</div>

<!--创建Vue核心对象-->
<script>
    new Vue({
        el:"#app",
        data:{},
        methods:{},
        mounted:{

        }
    });
</script>

</body>
</html>

🔎Container 布局容器

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <!--引入Element 的css、js文件 和 Vue.js-->
    <script src="js/vue.js"></script>
    <script src="element-ui/lib/index.js"></script>
    <link rel="stylesheet" href="element-ui/lib/theme-chalk/index.css">
    <!--css-->
    <style>
        .el-header {
            background-color: #B3C0D1;
            color: #333;
            line-height: 60px;
        }

        .el-aside {
            color: #333;
        }
    </style>

</head>
<body>
<!--官网复制Element组件代码-->
<div id="app">
    <el-container style="height: 500px; border: 1px solid #eee">
        <el-aside width="200px" style="background-color: rgb(238, 241, 246)">
            <el-menu :default-openeds="['1', '3']">
                <el-submenu index="1">
                    <template slot="title"><i class="el-icon-message"></i>导航一</template>
                    <el-menu-item-group>
                        <template slot="title">分组一</template>
                        <el-menu-item index="1-1">选项1</el-menu-item>
                        <el-menu-item index="1-2">选项2</el-menu-item>
                    </el-menu-item-group>
                    <el-menu-item-group title="分组2">
                        <el-menu-item index="1-3">选项3</el-menu-item>
                    </el-menu-item-group>
                    <el-submenu index="1-4">
                        <template slot="title">选项4</template>
                        <el-menu-item index="1-4-1">选项4-1</el-menu-item>
                    </el-submenu>
                </el-submenu>
                <el-submenu index="2">
                    <template slot="title"><i class="el-icon-menu"></i>导航二</template>
                    <el-menu-item-group>
                        <template slot="title">分组一</template>
                        <el-menu-item index="2-1">选项1</el-menu-item>
                        <el-menu-item index="2-2">选项2</el-menu-item>
                    </el-menu-item-group>
                    <el-menu-item-group title="分组2">
                        <el-menu-item index="2-3">选项3</el-menu-item>
                    </el-menu-item-group>
                    <el-submenu index="2-4">
                        <template slot="title">选项4</template>
                        <el-menu-item index="2-4-1">选项4-1</el-menu-item>
                    </el-submenu>
                </el-submenu>
                <el-submenu index="3">
                    <template slot="title"><i class="el-icon-setting"></i>导航三</template>
                    <el-menu-item-group>
                        <template slot="title">分组一</template>
                        <el-menu-item index="3-1">选项1</el-menu-item>
                        <el-menu-item index="3-2">选项2</el-menu-item>
                    </el-menu-item-group>
                    <el-menu-item-group title="分组2">
                        <el-menu-item index="3-3">选项3</el-menu-item>
                    </el-menu-item-group>
                    <el-submenu index="3-4">
                        <template slot="title">选项4</template>
                        <el-menu-item index="3-4-1">选项4-1</el-menu-item>
                    </el-submenu>
                </el-submenu>
            </el-menu>
        </el-aside>

        <el-container>
            <el-header style="text-align: right; font-size: 12px">
                <el-dropdown>
                    <i class="el-icon-setting" style="margin-right: 15px"></i>
                    <el-dropdown-menu slot="dropdown">
                        <el-dropdown-item>查看</el-dropdown-item>
                        <el-dropdown-item>新增</el-dropdown-item>
                        <el-dropdown-item>删除</el-dropdown-item>
                    </el-dropdown-menu>
                </el-dropdown>
                <span>王小虎</span>
            </el-header>

            <el-main>
                <el-table :data="tableData">
                    <el-table-column prop="date" label="日期" width="140">
                    </el-table-column>
                    <el-table-column prop="name" label="姓名" width="120">
                    </el-table-column>
                    <el-table-column prop="address" label="地址">
                    </el-table-column>
                </el-table>
            </el-main>
        </el-container>
    </el-container>

</div>

<!--创建Vue核心对象-->
<script>
    new Vue({
        el:"#app",
        data() {
            const item = {
                date: '2016-05-02',
                name: '王小虎',
                address: '上海市普陀区金沙江路 1518 弄'
            };
            return {
                tableData: Array(20).fill(item)
            }
        },
        methods:{},
        mounted:{

        }
    });
</script>

</body>
</html>

🎨Element 组件

🎈接下来使用element组件制作一个好看的表单

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <!--引入Element 的css、js文件 和 Vue.js-->
    <script src="../js/vue.js"></script>
    <script src="../element-ui/lib/index.js"></script>
    <link rel="stylesheet" href="../element-ui/lib/theme-chalk/index.css">
    <!--css样式-->
    <style>
        .el-table .warning-row {
            background: oldlace;
        }

        .el-table .success-row {
            background: #f0f9eb;
        }
    </style>
</head>
<body>
<div id="app">
    <!--搜索表单-->
    <el-form :inline="true" :model="brand" class="demo-form-inline">
        <el-form-item label="当前状态">
            <el-select v-model="brand.status" placeholder="当前状态">
                <el-option label="启用" value="1"></el-option>
                <el-option label="禁用" value="0"></el-option>
            </el-select>
        </el-form-item>
        <el-form-item label="企业名称">
            <el-input v-model="brand.companyName" placeholder="企业名称"></el-input>
        </el-form-item>
        <el-form-item label="品牌名称">
            <el-input v-model="brand.brandName" placeholder="品牌名称"></el-input>
        </el-form-item>
        <el-form-item>
            <el-button type="primary" @click="onSubmit">查询</el-button>
        </el-form-item>
    </el-form>
    <!--按钮-->
    <el-row>
        <el-button type="danger" plain>批量删除</el-button>
        <el-button type="primary" plain  @click="dialogVisible = true">新增</el-button>
    </el-row>
    <!--添加数据的对话框表单-->
    <el-dialog
            title="编辑品牌"
            :visible.sync="dialogVisible"
            width="30%">

        <el-form ref="form" :model="brand" label-width="80px">
            <el-form-item label="品牌名称">
                <el-input v-model="brand.brandName"></el-input>
            </el-form-item>
            <el-form-item label="企业名称">
                <el-input v-model="brand.companyName"></el-input>
            </el-form-item>
            <el-form-item label="排序">
                <el-input v-model="brand.ordered"></el-input>
            </el-form-item>
            <el-form-item label="备注">
                <el-input type="textarea" v-model="brand.description"></el-input>
            </el-form-item>
            <el-form-item label="状态">
                <el-switch v-model="brand.status"
                           active-value="1"
                           inactive-value="0"
                ></el-switch>
            </el-form-item>

            <el-form-item>
                <el-button type="primary" @click="addBrand">提交</el-button>
                <el-button @click="dialogVisible = false">取消</el-button>
            </el-form-item>
        </el-form>
    </el-dialog>
    <!--表格-->
    <template>
        <el-table
                :data="tableData"
                style="width: 100%"
                :row-class-name="tableRowClassName"
                @selection-change="handleSelectionChange">
            <!--复选框-->
            <el-table-column
                    type="selection"
                    width="55">
            </el-table-column>
            <!--序号-->
            <el-table-column
                    type="index"
                    width="50">
            </el-table-column>
            <el-table-column
                    prop="brandName"
                    label="品牌名称"
                    align="center">
            </el-table-column>
            <el-table-column
                    prop="companyName"
                    label="企业名称"
                    align="center">
            </el-table-column>
            <el-table-column
                    prop="ordered"
                    align="center"
                    label="排序">
            </el-table-column>
            <el-table-column
                    prop="status"
                    align="center"
                    label="当前状态">
            </el-table-column>
            <el-table-column
                    align="center"
                    label="操作">
                <!--按钮-->
                <el-button type="primary">修改</el-button>
                <el-button type="danger">删除</el-button>
            </el-table-column>
        </el-table>
    </template>
    <!--分页工具条-->
    <el-pagination
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
            :current-page="currentPage"
            :page-sizes="[5, 10, 15, 20]"
            :page-size="5"
            layout="total, sizes, prev, pager, next, jumper"
            :total="400">
    </el-pagination>
</div>

<!--创建Vue核心对象-->
<script>
    new Vue({
        el:"#app",
        data() {
            return {
                //当前页码
                currentPage: 4,
                //添加数据对话框是否展示的标记
                dialogVisible: false,
                //品牌模型数据数据
                brand: {
                    status: '',
                    brandName: '',
                    companyName: '',
                    id:'',
                    ordered:'',
                    description:''
                },
                //复习框选中集合
                multipleSelection: [],
                //表格数据
                tableData: [{
                    brandName: '华为',
                    companyName: '华为科技有限公司',
                    ordered: '100',
                    status:'1'
                }, {
                    brandName: '华为',
                    companyName: '华为科技有限公司',
                    ordered: '100',
                    status:'1'
                }, {
                    brandName: '华为',
                    companyName: '华为科技有限公司',
                    ordered: '100',
                    status:'1'
                }, {
                    brandName: '华为',
                    companyName: '华为科技有限公司',
                    ordered: '100',
                    status:'1'
                }]
            }
        },
        methods: {
            //分页
            handleSizeChange(val) {
                console.log(`每页 ${val} 条`);
            },
            handleCurrentChange(val) {
                console.log(`当前页: ${val}`);
            },
            //表格
            tableRowClassName({row, rowIndex}) {
                if (rowIndex === 1) {
                    return 'warning-row';
                } else if (rowIndex === 3) {
                    return 'success-row';
                }
                return '';
            },
            //复选框选中后执行的方法
            handleSelectionChange(val) {
                this.multipleSelection = val;
            },
            //查询方法
            onSubmit() {
                console.log(this.brand);
            },
            //添加方法
            addBrand() {
                console.log(this.brand);
            }
        },
        mounted:{

        }
    });
</script>
</body>
</html>