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news 2025/10/14 9:30:50

day9_elementPlus2

1.data(数组)组件

1.1table 表格
1.1.1table基本用法

通过自动遍历数组 展示数据

  1. :data="tableData" 绑定数组

  2. <el-table-column prop="name" label="名称"> </el-table-column> 指定列

<script setup>
import { ref } from 'vue' 
​
const tableData = [{date: '2016-05-03',name: 'Tom1',address: 'No. 189, Grove St, Los Angeles',},{date: '2016-05-02',name: 'Tom2',address: 'No. 189, Grove St, Los Angeles',},{date: '2016-05-04',name: 'Tom3',address: 'No. 189, Grove St, Los Angeles',},{date: '2016-05-01',name: 'Tom4',address: 'No. 189, Grove St, Los Angeles',}
]
​
</script>
​
<template><el-table :data="tableData" style="width: 100%"><el-table-column prop="date" label="日期" width="180"> </el-table-column> <el-table-column prop="name" label="名称"> </el-table-column><el-table-column prop="address" label="地址"> </el-table-column></el-table>
</template>
​
<style scoped>
​
</style>
1.1.2table样式

隔行变色 边框

固定表头: table上加height属性 固定高度

<el-table :data="tableData" border height="350" stripe style="width: 100%">

固定列:在column上 加fixed属性

注意:如果要固定列效果 不能使用列自适应宽度 需要指定宽度

左固定

<el-table-column fixed prop="date" label="日期" width="180"> </el-table-column>

右固定

<el-table-column fixed="right" prop="address" label="地址" width="280"> </el-table-column>

<script setup>
import { ref } from 'vue' 
​
const tableData = [{date: '2016-05-03',name: 'Tom1',address: 'No. 189, Grove St, Los Angeles',},{date: '2016-05-02',name: 'Tom2',address: 'No. 189, Grove St, Los Angeles',},{date: '2016-05-04',name: 'Tom3',address: 'No. 189, Grove St, Los Angeles',},{date: '2016-05-01',name: 'Tom4',address: 'No. 189, Grove St, Los Angeles',},  {date: '2016-05-04',name: 'Tom3',address: 'No. 189, Grove St, Los Angeles',},{date: '2016-05-01',name: 'Tom4',address: 'No. 189, Grove St, Los Angeles',},  {date: '2016-05-04',name: 'Tom3',address: 'No. 189, Grove St, Los Angeles',},{date: '2016-05-01',name: 'Tom4',address: 'No. 189, Grove St, Los Angeles',},  {date: '2016-05-04',name: 'Tom3',address: 'No. 189, Grove St, Los Angeles',},{date: '2016-05-01',name: 'Tom4',address: 'No. 189, Grove St, Los Angeles',},  {date: '2016-05-04',name: 'Tom3',address: 'No. 189, Grove St, Los Angeles',},{date: '2016-05-01',name: 'Tom4',address: 'No. 189, Grove St, Los Angeles',},  {date: '2016-05-04',name: 'Tom3',address: 'No. 189, Grove St, Los Angeles',},{date: '2016-05-01',name: 'Tom4',address: 'No. 189, Grove St, Los Angeles',}
]
​
</script>
​
<template><el-table :data="tableData" border height="350" stripe  style="width: 100%"><el-table-column fixed prop="date" label="日期" width="180"> </el-table-column> <el-table-column fixed  prop="name" label="名称" width="180"> </el-table-column><el-table-column prop="address" label="地址" width="280"> </el-table-column><el-table-column prop="address" label="地址" width="280"> </el-table-column>
​<el-table-column prop="address" label="地址" width="280"> </el-table-column>
​<el-table-column prop="address" label="地址" width="280"> </el-table-column><el-table-column prop="address" label="地址" width="280"> </el-table-column><el-table-column fixed="right" prop="address" label="地址" width="280"> </el-table-column>
​</el-table>
</template>
​
<style scoped>
​
</style>
1.1.3table选择
1.3.1单选

注意:

1.highlight-current-row 选中样式

2.增加 @current-change="handleCurrentChange" 可以选中被选到的数据

const handleCurrentChange = (val)=>{console.log("选中了一行",val);currentRow = val
}

3.如果要跨函数使用 注意加中间变量

let currentRow ={}
​
const handleCurrentChange = (val)=>{console.log("选中了一行",val);currentRow = val
}
​
const myDelete = ()=>{console.log("删除");console.log(currentRow);}

<script setup>
import { ref } from 'vue' 
​
const tableData = [{date: '2016-05-03',name: 'Tom1',address: 'No. 189, Grove St, Los Angeles',},{date: '2016-05-02',name: 'Tom2',address: 'No. 189, Grove St, Los Angeles',},{date: '2016-05-04',name: 'Tom3',address: 'No. 189, Grove St, Los Angeles',},{date: '2016-05-01',name: 'Tom4',address: 'No. 189, Grove St, Los Angeles',},  {date: '2016-05-04',name: 'Tom3',address: 'No. 189, Grove St, Los Angeles',},{date: '2016-05-01',name: 'Tom4',address: 'No. 189, Grove St, Los Angeles',},  {date: '2016-05-04',name: 'Tom3',address: 'No. 189, Grove St, Los Angeles',},{date: '2016-05-01',name: 'Tom4',address: 'No. 189, Grove St, Los Angeles',},  {date: '2016-05-04',name: 'Tom3',address: 'No. 189, Grove St, Los Angeles',},{date: '2016-05-01',name: 'Tom4',address: 'No. 189, Grove St, Los Angeles',},  {date: '2016-05-04',name: 'Tom3',address: 'No. 189, Grove St, Los Angeles',},{date: '2016-05-01',name: 'Tom4',address: 'No. 189, Grove St, Los Angeles',},  {date: '2016-05-04',name: 'Tom3',address: 'No. 189, Grove St, Los Angeles',},{date: '2016-05-01',name: 'Tom4',address: 'No. 189, Grove St, Los Angeles',}
]
​
let currentRow ={}
​
const handleCurrentChange = (val)=>{console.log("选中了一行",val);currentRow = val
}
​
const myDelete = ()=>{console.log("删除");console.log(currentRow);}
​
</script>
​
<template><el-table :data="tableData" highlight-current-row border height="350" @current-change="handleCurrentChange"  style="width: 100%"><el-table-column fixed prop="date" label="日期" width="180"> </el-table-column> <el-table-column fixed  prop="name" label="名称" width="180"> </el-table-column><el-table-column prop="address" label="地址" width="280"> </el-table-column><el-table-column prop="address" label="地址" width="280"> </el-table-column>
​<el-table-column prop="address" label="地址" width="280"> </el-table-column>
​<el-table-column prop="address" label="地址" width="280"> </el-table-column><el-table-column prop="address" label="地址" width="280"> </el-table-column><el-table-column fixed="right" prop="address" label="地址" width="280"> </el-table-column>
​</el-table><button @click="myDelete" >删除</button>
</template>
​
<style scoped>
​
</style>
1.3.2多选

1.增加多选框

<el-table-column type="selection" width="55" />

2.操作选中的数据

通过table对象操作

table上加ref属性
<el-table ref="tableRef" :data="tableData"  border height="350"   style="width: 100%">获取table的Ref对象    
const tableRef = ref()
​
​
通过table对象操作数据
const myDelete = ()=>{console.log("删除");//console.log(currentRow);//读取table里的选中行console.log(tableRef.value.getSelectionRows());}

<script setup>
import { ref } from 'vue' 
​
const tableData = [{date: '2016-05-03',name: 'Tom1',address: 'No. 189, Grove St, Los Angeles',},{date: '2016-05-02',name: 'Tom2',address: 'No. 189, Grove St, Los Angeles',},{date: '2016-05-04',name: 'Tom3',address: 'No. 189, Grove St, Los Angeles',},{date: '2016-05-01',name: 'Tom4',address: 'No. 189, Grove St, Los Angeles',},  {date: '2016-05-04',name: 'Tom3',address: 'No. 189, Grove St, Los Angeles',},{date: '2016-05-01',name: 'Tom4',address: 'No. 189, Grove St, Los Angeles',},  {date: '2016-05-04',name: 'Tom3',address: 'No. 189, Grove St, Los Angeles',},{date: '2016-05-01',name: 'Tom4',address: 'No. 189, Grove St, Los Angeles',},  {date: '2016-05-04',name: 'Tom3',address: 'No. 189, Grove St, Los Angeles',},{date: '2016-05-01',name: 'Tom4',address: 'No. 189, Grove St, Los Angeles',},  {date: '2016-05-04',name: 'Tom3',address: 'No. 189, Grove St, Los Angeles',},{date: '2016-05-01',name: 'Tom4',address: 'No. 189, Grove St, Los Angeles',},  {date: '2016-05-04',name: 'Tom3',address: 'No. 189, Grove St, Los Angeles',},{date: '2016-05-01',name: 'Tom4',address: 'No. 189, Grove St, Los Angeles',}
]
​
let currentRow ={}
​
const handleCurrentChange = (val)=>{console.log("选中了一行",val);currentRow = val
}
​
const tableRef = ref()
​
const myDelete = ()=>{console.log("删除");//console.log(currentRow);//读取table里的选中行console.log(tableRef.value.getSelectionRows());}
​
</script>
​
<template><!-- <el-table :data="tableData" highlight-current-row border height="350" @current-change="handleCurrentChange"  style="width: 100%"><el-table-column fixed prop="date" label="日期" width="180"> </el-table-column> <el-table-column fixed  prop="name" label="名称" width="180"> </el-table-column><el-table-column prop="address" label="地址" width="280"> </el-table-column><el-table-column prop="address" label="地址" width="280"> </el-table-column>
​<el-table-column prop="address" label="地址" width="280"> </el-table-column>
​<el-table-column prop="address" label="地址" width="280"> </el-table-column><el-table-column prop="address" label="地址" width="280"> </el-table-column><el-table-column fixed="right" prop="address" label="地址" width="280"> </el-table-column>
​</el-table> --><el-table ref="tableRef" :data="tableData"  border height="350"   style="width: 100%"><el-table-column type="selection" width="55" /><el-table-column fixed prop="date" label="日期" width="180"> </el-table-column> <el-table-column fixed  prop="name" label="名称" width="180"> </el-table-column><el-table-column prop="address" label="地址" width="280"> </el-table-column><el-table-column prop="address" label="地址" width="280"> </el-table-column>
​<el-table-column prop="address" label="地址" width="280"> </el-table-column>
​<el-table-column prop="address" label="地址" width="280"> </el-table-column><el-table-column prop="address" label="地址" width="280"> </el-table-column><el-table-column fixed="right" prop="address" label="地址" width="280"> </el-table-column>
​</el-table><button @click="myDelete" >删除</button>
</template>
​
<style scoped>
​
</style>
1.3.3自定义列数据
table的数据插槽用法1 配合自定义按钮 获取当前行数据2 让table中的数据提高体验 1加入动态数据2通过v-if 切换不同的状态显示3通过函数处理复杂数据逻辑

<script setup>
import { ref } from 'vue' 
import { Finished, Phone } from '@element-plus/icons-vue'
//1男 2女
const tableData = [{date: '2016-05-03',name: 'Tom1',gender: '1',phone: '12345678901',address: 'No. 189, Grove St, Los Angeles',},{date: '2016-05-02',name: 'Tom2',gender: '1',phone: '3345345',address: 'No. 189, Grove St, Los Angeles',},{date: '2016-05-04',name: 'Tom3',gender: '2',phone: '234566234',address: 'No. 189, Grove St, Los Angeles',},{date: '2016-05-01',name: 'Tom4',gender: '1',phone: '656544444',address: 'No. 189, Grove St, Los Angeles',}
]const myEdit = (currentRow) => {console.log('点击了修改按钮',currentRow)
}const transPhone = (phone) => {let phoneEnd = phone.substr(phone.length-4) return '******'+phoneEnd
}</script><template><!-- table的数据插槽用法1 配合自定义按钮 获取当前行数据2 让table中的数据提高体验 1加入动态数据2通过v-if 切换不同的状态显示3通过函数处理复杂数据逻辑--><el-table ref="tableRef" :data="tableData"  border height="350"   style="width: 100%"><el-table-column type="selection" width="55" /><el-table-column fixed  label="日期" width="180"><template #default="scope"><el-icon><Finished /></el-icon> {{ scope.row.date }} </template></el-table-column> <el-table-column fixed  prop="name" label="名称" width="180"> </el-table-column><el-table-column prop="gender" label="性别" width="280"><template #default="scope"><el-text v-if="scope.row.gender=='1'" type="success">男</el-text><el-text v-else type="danger">女</el-text></template>  </el-table-column><el-table-column prop="phone" label="手机号" width="280"><template #default="scope"><el-icon><Phone /></el-icon> {{ transPhone(scope.row.phone)  }}</template>  </el-table-column><el-table-column prop="address" label="地址" width="280"> </el-table-column><el-table-column  label="操作" width="280"> <!-- table 的数据插槽 --><template #default="scope"><el-button @click="myEdit(scope.row)">修改</el-button></template><!-- <el-button @click="myEdit">修改</el-button> --></el-table-column></el-table></template><style scoped></style>

1.2分页组件

独立的组件 传入 total page pageSize 可以自动改变分页组件的数据

注意:

1分页组件 通常搭配其他组件使用 搭配tableconst tableData = reactive({tableList:[],// 分页信息//后端查完数据 给分页参数赋值 页面参数自动变化pageInfo:{total:77,pageSize:10,page:3}
})2分页组件的关键参数<el-paginationv-model:current-page="tableData.pageInfo.page"    当前页v-model:page-size="tableData.pageInfo.pageSize"  每页多少条:total="tableData.pageInfo.total"                总记录数:page-sizes="[10, 20, 30]"layout="total, sizes, prev, pager, next, jumper"@current-change="handleCurrentChange"@size-change="handleSizeChange"/>3分页组件的函数从后端取最新的数据 到前端显示current-change 当前页发生改变size-change    每页多少条发生改变

<script setup>
import { ref,reactive } from 'vue' const tableData = reactive({tableList:[],// 分页信息//后端查完数据 给分页参数赋值 页面参数自动变化pageInfo:{total:77,pageSize:10,page:3}
})const handleCurrentChange = (page)=>{tableData.pageInfo.page = pageconsole.log("页码切换了",tableData.pageInfo);
}const handleSizeChange = (pageSize)=>{tableData.pageInfo.pageSize = pageSizeconsole.log("每页多少条切换了",tableData.pageInfo);
}</script><template>
<!-- 1.控制分页组件使用哪些功能layout="total,       sizes, prev, pager, next, jumper"总记录数 每页多少条  上一页 页码    下一页  跳页2.控制每页多少跳下拉列表的值:page-sizes="[100, 200, 300, 400]"3.页码组件主要切换参数:total="400"   总共多少跳v-model:page-size="pageSize4"  每页实际多少条v-model:current-page="currentPage4" 当前页
--><el-paginationv-model:current-page="tableData.pageInfo.page"v-model:page-size="tableData.pageInfo.pageSize":total="tableData.pageInfo.total":page-sizes="[10, 20, 30]"layout="total, sizes, prev, pager, next, jumper"@current-change="handleCurrentChange"@size-change="handleSizeChange"/><!--       @size-change="handleSizeChange"-->
</template><style scoped></style>
1.3tree树形组件

注意:

1 tree主要用来展示 父子关系的数据
2 可以搭配checkbox 做选择效果3 读取 设置 清空const showData = ()=>{//如果只要子数据 就用getCheckedKeys(true) 否则全选时会带父数据console.log(treeRef.value.getCheckedKeys(true));//console.log(treeRef.value.getCheckedNodes());}const setData = ()=>{treeRef.value.setCheckedKeys(['710000','659006']);}const resetData = ()=>{treeRef.value.setCheckedKeys([]);}

<script setup>
import { ref } from 'vue' 
import areaData from '@/myjs/myData.js'console.log(areaData);const treeData = ref([])treeData.value = areaDataconst defaultProps = {children: 'subArea',label: 'name',
}const treeRef = ref()const showData = ()=>{//如果只要子数据 就用getCheckedKeys(true) 否则全选时会带父数据console.log(treeRef.value.getCheckedKeys(true));//console.log(treeRef.value.getCheckedNodes());
}
const setData = ()=>{treeRef.value.setCheckedKeys(['710000','659006']);
}
const resetData = ()=>{treeRef.value.setCheckedKeys([]);
}</script><template><el-button @click="showData">查看选中项</el-button><el-button @click="setData">设置选中项</el-button><el-button @click="resetData">清空选中项</el-button><el-treeref="treeRef"style="max-width: 600px"show-checkbox:data="treeData"default-expand-allnode-key="code":props="defaultProps"/></template><style scoped></style>
1.4其他数据组件(了解)

2菜单组件

2.1导航菜单

注意:

1. 菜单需要做成动态菜单 (由后端查询数据 前端只负责展示 菜单需要带父子关系)

2.图标如果要配合菜单动态生成 需要使用<component :is="menu.icon" /> 动态生成

如果要正常显示 需要把图标 全局注册给vue对象 挂载到vue的组件中 才能识别出图标显示

3.v-for 可以嵌套使用 如果子数据中有集合 可以多层嵌套

<script setup>
import { ref } from 'vue' 
import {Document,Edit,Location,Setting,Check,Message,UploadFilled
} from '@element-plus/icons-vue'const menuList = [{mid: '1',menuname: '用户管理',icon: 'Location',subMenu: [{mid: '1-1',menuname: '用户添加',icon: 'Setting',},{mid: '1-2',menuname: '用户查找',icon: 'Edit',}]},{mid: '2',menuname: '财务2管理',icon: 'Check',subMenu: [{mid: '2-1',menuname: '财务对账',icon: 'Message',},{mid: '2-2',menuname: '财务信息',icon: 'UploadFilled',}]}
]console.log(menuList);</script><template><el-row><el-col :span="8"><el-menu active-text-color="#ffd04b" background-color="#545c64" text-color="#fff"><!-- el-sub-menu 可展开菜单 --><el-sub-menu v-for="menu in menuList" :index="menu.mid"><template #title><el-icon><!-- 根据字符串生成标签  --><!-- //<location /> --><component :is="menu.icon" /></el-icon><span>{{menu.menuname}}</span></template><el-menu-item v-for="subM in menu.subMenu" :index="subM.mid"><el-icon><component :is="subM.icon" /></el-icon><span>{{ subM.menuname }}</span></el-menu-item></el-sub-menu></el-menu></el-col></el-row><!-- 菜单需要做成动态菜单 效果:由后端查询出来 前端负责展示 不同权限的人 看到菜单不同--><!-- <component is="button" value="jack">jack</component> --></template><style scoped></style>
2.2菜单跳转

菜单可以启动路由模式(需要安装router插件)

<script setup>
import { ref } from 'vue' 
import router from '@/router'
import {Document,Edit,Location,Setting,Check,Message,UploadFilled
} from '@element-plus/icons-vue'// const myHref = (url)=>{ 
//     router.push(url)
// }const menuList = [{mid: '1',menuname: '用户管理',icon: 'Location',subMenu: [{mid: '1-1',menuname: '用户添加',icon: 'Setting',url:'/1button'},{mid: '1-2',menuname: '用户查找',icon: 'Edit',url:'/2button'}]},{mid: '2',menuname: '财务2管理',icon: 'Check',subMenu: [{mid: '2-1',menuname: '财务对账',icon: 'Message',url:'/3button'},{mid: '2-2',menuname: '财务信息',icon: 'UploadFilled',url:'/4button'}]}
]console.log(menuList);</script><template><el-row><el-col :span="8"><el-menu active-text-color="#ffd04b" background-color="#545c64" text-color="#fff"router><!-- el-sub-menu 可展开菜单 --><el-sub-menu v-for="menu in menuList" :index="menu.mid"><template #title><el-icon><!-- 根据字符串生成标签  --><!-- //<location /> --><component :is="menu.icon" /></el-icon><span>{{menu.menuname}}</span></template><el-menu-item v-for="subM in menu.subMenu" :index="subM.url"><el-icon><component :is="subM.icon" /></el-icon><span>{{ subM.menuname }}</span></el-menu-item></el-sub-menu></el-menu></el-col></el-row><!-- 菜单需要做成动态菜单 效果:由后端查询出来 前端负责展示 不同权限的人 看到菜单不同--><!-- <component is="button" value="jack">jack</component> --></template><style scoped></style>

3反馈组件

3.1消息提示类

有预设的界面和结构

调用比较简单

  1. 引入组件 import { ElMessage, ElMessageBox } from 'element-plus'

  2. 参考文档 设置组件要使用的参数

    有固定的格式 (限制比较多)

<script setup>
import { ref } from 'vue' 
import { ElMessage, ElMessageBox } from 'element-plus'const openMessage = () => {
//   ElMessage({
//     message: '恭喜你，这是一条成功消息',
//     type: 'error',
//   })
//简化写法  success 绿色  info 灰色 warning 黄色  error 红色
ElMessage.success('恭喜你，这是一条成功消息')
}const openMessageBox = ()=>{ElMessageBox.confirm('提示信息.....','警告',{confirmButtonText: '确认',cancelButtonText: '取消',type: 'warning',})
//  promise对象 then catch .then(() => {//确定之后 干什么console.log("确定了");}).catch(() => {//取消之后 干什么console.log("取消了");})
}</script><template><el-button @click="openMessage">成功</el-button><el-button @click="openMessageBox">对话框</el-button>
</template><style scoped></style>
3.2对话框类

需要自己编辑弹出框样式 仅提供弹出界面 使用起来更自由 可以与其他功能组件组合使用

对话框 抽屉 用法类似

1.确定触发方式 (例子中是点击按钮 可以配合其他事件触发)

2.需要配置bol值 控制界面的打开/关闭

const dialogVisible = ref(false)
const drawerVisible = ref(false)

3.需要手动编辑弹出框界面 (可以与其他功能组件组合界面)

对话框   
<el-dialogv-model="dialogVisible"title="对话框"width="500">空的对话框....<template #footer><div class="dialog-footer"><el-button @click="dialogVisible = false">取消</el-button><el-button type="primary" @click="dialogVisible = false">确定</el-button></div></template></el-dialog>抽屉<el-drawerv-model="drawerVisible"title="这是抽屉"direction="btt" size="70%">空抽屉 啥都能放<el-button plain @click="openInnerDrawer">打开子抽屉</el-button><el-drawerv-model="drawerInnerVisible"title="这是子抽屉"direction="btt" size="50%">内部抽屉</el-drawer></el-drawer>

<script setup>
import { ref } from 'vue' const openDialog = ()=>{dialogVisible.value = true
}const openDrawer = ()=>{drawerVisible.value = true
}const openInnerDrawer = ()=>{drawerInnerVisible.value = true
}const dialogVisible = ref(false)
const drawerVisible = ref(false)const drawerInnerVisible = ref(false)</script><template><!-- 对话框 是一个空的悬浮框 (模态框)可以搭配其他的组件 构成 一个完整的对话框用法:组合页面 减少页面数量 --><el-button plain @click="openDialog">Click to open the Dialog</el-button><el-button plain @click="openDrawer">打开抽屉</el-button><el-dialogv-model="dialogVisible"title="对话框"width="500">空的对话框....<template #footer><div class="dialog-footer"><el-button @click="dialogVisible = false">取消</el-button><el-button type="primary" @click="dialogVisible = false">确定</el-button></div></template></el-dialog><el-drawerv-model="drawerVisible"title="这是抽屉"direction="btt" size="70%">空抽屉 啥都能放<el-button plain @click="openInnerDrawer">打开子抽屉</el-button><el-drawerv-model="drawerInnerVisible"title="这是子抽屉"direction="btt" size="50%">内部抽屉</el-drawer></el-drawer></template><style scoped></style>

作用:

组合界面使用 可以把有数据关联的功能 做到一个页面中 减少页面跳转数量

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