数据流导出vue element
时间: 2023-09-30 19:11:49 浏览: 96
可以使用 Vue.js 的导出功能和 Element UI 的表格组件来实现数据流的导出。
首先,在 Vue.js 中定义一个表格组件,使用 Element UI 的表格组件来展示数据。表格组件可以接收数据作为 prop,例如:
```html
<template>
<div>
<el-table :data="tableData">
<el-table-column prop="name" label="Name"></el-table-column>
<el-table-column prop="age" label="Age"></el-table-column>
<el-table-column prop="gender" label="Gender"></el-table-column>
</el-table>
<el-button @click="exportData">Export</el-button>
</div>
</template>
<script>
export default {
props: {
tableData: {
type: Array,
required: true
}
},
methods: {
exportData() {
// TODO: 导出数据
}
}
}
</script>
```
接下来,在 exportData 方法中使用 JSON.stringify 将数据转换为 JSON 字符串,并创建一个 Blob 对象。然后,使用 URL.createObjectURL 创建一个 URL,将 Blob 对象转换为可下载的文件。最后,使用 a 标签的 download 属性和 click 方法模拟点击下载链接。
完整代码如下:
```html
<template>
<div>
<el-table :data="tableData">
<el-table-column prop="name" label="Name"></el-table-column>
<el-table-column prop="age" label="Age"></el-table-column>
<el-table-column prop="gender" label="Gender"></el-table-column>
</el-table>
<el-button @click="exportData">Export</el-button>
</div>
</template>
<script>
export default {
props: {
tableData: {
type: Array,
required: true
}
},
methods: {
exportData() {
const dataStr = JSON.stringify(this.tableData)
const dataBlob = new Blob([dataStr], { type: 'application/json' })
const downloadUrl = URL.createObjectURL(dataBlob)
const a = document.createElement('a')
a.href = downloadUrl
a.download = 'data.json'
a.click()
}
}
}
</script>
```
这样,当用户点击导出按钮时,会将数据导出为一个名为 data.json 的 JSON 文件。用户可以通过点击下载链接将文件保存到本地。
阅读全文
相关推荐

















