vue导入，导出，列表展示excel数据
- vue导入导出，名称过滤，不需要的功能可自行删减，列表获取接口展示
1 <template>2 <div class="index" v-loading.fullscreen.lock="fullscreenLoading" element-loading-text="拼命加载中...">
3 <input type="file" @change="importFile(this)"
4 accept="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet, application/vnd.ms-excel"/>
5 <a ></a>
6 <el-button class="button" @click="uploadFile()">导入</el-button>
7 <el-button class="button" @click="downloadFile(list)">导出</el-button>
8 <el-select
9 v-model="search"
10 multiple
11 filterable
12 placeholder="请输入关键词"
13 :loading="loading">
14 <el-option
15 v-for="item in list"
16 :key="item.id"
17 :label="item.name"
18 :value="item.id">
19 </el-option>
20 </el-select>
21 <!--错误信息提示-->
22 <el-dialog title="提示" v-model="errorDialog" size="tiny">
23 <span>{{errorMsg}}</span>
24 <span slot="footer" class="dialog-footer">
25 <el-button type="primary" @click="errorDialog=false">确认</el-button>
26 </span>
27
28 </el-dialog>
29 <!--展示导入信息-->
30 <el-table :data="listClone" tooltip-effect="dark">
31 <el-table-column label="名称" prop="name" show-overflow-tooltip></el-table-column>
32 <el-table-column label="请求方法" prop="method" show-overflow-tooltip></el-table-column>
33 <el-table-column label="路径" prop="path" show-overflow-tooltip></el-table-column>
34 <el-table-column label="所属项目" prop="project.name" show-overflow-tooltip></el-table-column>
35 <el-table-column label="创建时间" prop="created_at" show-overflow-tooltip></el-table-column>
36 <el-table-column label="操作" show-overflow-tooltip>
37 <el-link icon="el-icon-edit" @click="dialog = true">编辑</el-link>
38 <!-- 侧边栏修改项目 -->
39 <!-- 弹出框，新增，编辑 -->
40 <el-drawer
41 title="修改"
42 :before-close="handleClose"
43 :visible.sync="dialog"
44 direction="ltr"
45 custom-class="demo-drawer"
46 @click="handleUpdate(row)"
47 ref="drawer"
48 size="55%"
49 >
50 <Interface></Interface>
51 </el-drawer>
52 </el-table-column>
53 </el-table>
54 <!-- 分页 -->
55 <pagination
56 v-show="total > 0"
57 :total="total"
58 :page.sync="queryInfo.page"
59 :limit.sync="queryInfo.limit"
60 @pagination="getList"
61 />
62 </div>
63 </template>
<script>import {
fetchList,
projectList,
fetchName,
} from '/api/case'
import service from "../../utils/axios";
import Interface from "../../components/interface";
// import Pagination from "../../components/Pagination"
// 引入xlsx
var XLSX = require('xlsx')
export default {
name: 'info',
components: {Interface,},
data() {
return {
total: 0,
search: [],
value: [],
loading: false,
timeout: null,
dialog: false,
filter: '',
fullscreenLoading: false, // 加载中
imFile: '', // 导入文件el
outFile: '', // 导出文件el
errorDialog: false, // 错误信息弹窗
errorMsg: '', // 错误信息内容
list: [], // 返回数据
listClone: [],
queryInfo: {
page: 1,
limit: 20,
name: ''
},
dialogStatus: '',
textMap: {
update: '编辑',
create: '创建'
},
formLabelWidth: '80px',
timer: null,
}
},
mounted() {
this.imFile = document.getElementById('imFile')
this.outFile = document.getElementById('downlink')
this.list = this.list.map(item => {
return {value: `value:${item}`, label: `label:${item}`};
});
},
watch: {
search: {
handler(val) {
this.listClone = val.length ? this.list.filter((e) => val.find((item) => item === e.id)) : this.list;
},
deep: true,
immediate: true,
},
},
created() {
this.getList()
},
methods: {
/* 筛选 */
nameList() {
fetchName(this.queryInfo).then((service) => {
this.list = service.data.data.items
})
},
/* 修改数据 */
handleUpdate() {
projectList().then((res) => (this.projects = res.data.items))
this.list = Object.assign({}, row) // copy obj
this.dialogStatus = 'update'
this.$nextTick(() => {
this.$refs['dataForm'].clearValidate()
})
},
/* 获取list数据 */
getList() {
this.listLoading = true
fetchList(this.queryInfo).then((service) => {
this.list = service.data.data.items
this.listClone = this.list;
this.total = service.data.data.total
// Just to simulate the time of the request
setTimeout(() => {
this.listLoading = false
}, 1.5 * 1000)
})
},
/* 导入按钮 */
uploadFile: function () { // 点击导入按钮
this.imFile.click()
},
/* 导出 */
downloadFile: function (rs) { // 点击导出按钮
let data = [{}]
for (let k in rs[0]) {
data[0][k] = k
}
data = data.concat(rs)
this.downloadExl(data, 'test用例')
},
/* 导入execl */
importFile: function () { // 导入excel
this.fullscreenLoading = true
let obj = this.imFile
if (!obj.files) {
this.fullscreenLoading = false
return
}
var f = obj.files[0]
var reader = new FileReader()
let $t = this
reader.onload = function (e) {
var data = e.target.result
if ($t.rABS) {
$t.wb = XLSX.read(btoa(this.fixdata(data)), { // 手动转化
type: 'base64'
})
} else {
$t.wb = XLSX.read(data, {
type: 'binary'
})
}
let json = XLSX.utils.sheet_to_json($t.wb.Sheets[$t.wb.SheetNames[0]])
console.log(typeof json)
$t.dealFile($t.analyzeData(json)) // analyzeData: 解析导入数据
}
if (this.rABS) {
reader.readAsArrayBuffer(f)
} else {
reader.readAsBinaryString(f)
}
},
/* 导出execl */
downloadExl: function (json, downName, type) { // 导出到excel
let keyMap = [] // 获取键
for (let k in json[0]) {
keyMap.push(k)
}
console.info('keyMap', keyMap, json)
let tmpdata = [] // 用来保存转换好的json
json.map((v, i) => keyMap.map((k, j) => Object.assign({}, {
v: v[k],
position: (j > 25 ? this.getCharCol(j) : String.fromCharCode(65 + j)) + (i + 1)
}))).reduce((prev, next) => prev.concat(next)).forEach(function (v) {
tmpdata[v.position] = {
v: v.v
}
})
let outputPos = Object.keys(tmpdata) // 设置区域,比如表格从A1到D10
let tmpWB = {
SheetNames: ['mySheet'], // 保存的表标题
Sheets: {
'mySheet': Object.assign({},
tmpdata, // 内容
{
'!ref': outputPos[0] + ':' + outputPos[outputPos.length - 1] // 设置填充区域
})
}
}
let tmpDown = new Blob([this.s2ab(XLSX.write(tmpWB,
{bookType: (type === undefined ? 'xlsx' : type), bookSST: false, type: 'binary'} // 这里的数据是用来定义导出的格式类型
))], {
type: ''
}) // 创建二进制对象写入转换好的字节流
var href = URL.createObjectURL(tmpDown) // 创建对象超链接
this.outFile.download = downName + '.xlsx' // 下载名称
this.outFile.href = href // 绑定a标签
this.outFile.click() // 模拟点击实现下载
setTimeout(function () { // 延时释放
URL.revokeObjectURL(tmpDown) // 用URL.revokeObjectURL()来释放这个object URL
}, 100)
},
/* 解析数据 */
analyzeData: function (data) { // 此处可以解析导入数据
return data
},
/* 处理导入数据 */
dealFile: function (data) { // 处理导入的数据
console.log(data)
this.imFile.value = ''
this.fullscreenLoading = false
if (data.length <= 0) {
this.errorDialog = true
this.errorMsg = '请导入正确信息'
} else {
this.listClone = data
}
},
s2ab: function (s) { // 字符串转字符流
var buf = new ArrayBuffer(s.length)
var view = new Uint8Array(buf)
for (var i = 0; i !== s.length; ++i) {
view[i] = s.charCodeAt(i) & 0xFF
}
return buf
},
getCharCol: function (n) { // 将指定的自然数转换为26进制表示。映射关系：[0-25] -> [A-Z]。
let s = ''
let m = 0
while (n > 0) {
m = n % 26 + 1
s = String.fromCharCode(m + 64) + s
n = (n - m) / 26
}
return s
},
fixdata: function (data) { // 文件流转BinaryString
var o = ''
var l = 0
var w = 10240
for (; l < data.byteLength / w; ++l) {
o += String.fromCharCode.apply(null, new Uint8Array(data.slice(l * w, l * w + w)))
}
o += String.fromCharCode.apply(null, new Uint8Array(data.slice(l * w)))
return o
},
handleClose(done) {
if (this.loading) {
return;
}
this.$confirm('确定要提交表单吗？')
.then(_ => {
this.loading = true;
this.timer = setTimeout(() => {
done();
// 动画关闭需要一定的时间
setTimeout(() => {
this.loading = false;
}, 10);
}, 10);
})
.catch(_ => {
});
},
}
}
</script>
- 导出表格
以上是 vue导入，导出，列表展示excel数据 的全部内容， 来源链接： utcz.com/z/377354.html
