<template>
<div class="contentArea">
<div class="fileContainer" ref="fileDiv" v-if="$route.query.fileName.indexOf('docx') !== -1"></div>
<div class="fileContainer" v-html="tableau" id="excelView" v-else></div>
</div>
</template>
<script>
import XLSX from 'xlsx';
let docx = require("docx-preview");
import {FileDownload, xlsxFileDownload} from '@/api/index'
export default {
data(){
return{
vHtml: '',
tableau: '',
fileId: '',
}
},
mounted () {
this.fileId = this.$route.query.fileId
const fileName = this.$route.query.fileName
if(fileName.indexOf('xls') !== -1){
this.previewData()
} else {
this.getFile()
}
window.document.title = fileName
},
methods: {
// word文件预览
getFile(){
FileDownload(this.fileId).then((res) => {
const content = res.data;
docx.renderAsync(content, this.$refs.fileDiv);
}).catch(() => {
this.$message.error('下载失败！')
});
},
async previewPdfFile(){
const resCancel = await xlsxFileDownload(this.fileId);
// const url = window.URL.createObjectURL(file.originFileObj);
const url = window.URL.createObjectURL(resCancel.data);
window.open(url, file.name);
},
// xlsx预览
async previewData() {
const resCancel = await xlsxFileDownload(this.fileId);
if (resCancel) {
const data = new Uint8Array(resCancel.data);
const workbook = XLSX.read(data, {
type: 'array', cellDates: true, dateNF: "yyyy-MM-dd"
});
// 删除掉没有数据的sheet
Object.values(workbook.Sheets).forEach((sheet, index) => {
if (Object.keys(sheet).indexOf('!ref') === -1) {
delete workbook.Sheets[workbook.SheetNames[index]];
}
Object.values(sheet).forEach(sec=>{
if(sec.constructor === Object && sec.t=='d'){
sec.w = this.$moment(sec.v).format("YYYY/MM/DD")
}
})
});
var worksheet = workbook.Sheets[workbook.SheetNames[0]]; // workbook.SheetNames 下存的是该文件每个工作表名字,这里取出第一个工作表
this.tableau = XLSX.utils.sheet_to_html(worksheet); // 渲染
this.$nextTick(function () {
// DOM加载完毕后执行，解决HTMLConnection有内容但是length为0问题。
this.setStyle4ExcelHtml();
});
} else {
this.$message.warn(resCancel.errorMessage);
}
},
// 设置Excel转成HTML后的样式
setStyle4ExcelHtml() {
const excelViewDOM = document.getElementById("excelView");
if (excelViewDOM) {
const excelViewTDNodes = excelViewDOM.getElementsByTagName("td"); // 获取的是HTMLConnection
if (excelViewTDNodes) {
const excelViewTDArr = Array.prototype.slice.call(excelViewTDNodes);
for (const i in excelViewTDArr) {
const id = excelViewTDArr[i].id; // 默认生成的id格式为sjs-A1、sjs-A2......
if (id) {
const idNum = id.replace(/[^0-9]/gi, ""); // 提取id中的数字，即行号
if (idNum && (idNum === "1" || idNum === 1)) {
// 第一行标题行
excelViewTDArr[i].classList.add("class4Title");
} else if ((idNum !== "1" || idNum !== 1)) {
// 第二行表头行
excelViewTDArr[i].classList.add("class4TableTh");
}
}
}
}
}
},
},
}
</script>
<style lang="less" scoped>
.contentArea{
height: 100%;
width: 100%;
}
.fileContainer{
height: 100%;
width: 100%;
}
/deep/ .class4Title {
font-size: 18px !important;
font-weight: bold !important;
padding: 10px !important;
border: 1px solid #e8e8e8;
text-align: center;
}
/deep/ .class4TableTh {
font-size: 12px !important;
font-weight: bold !important;
padding: 10px !important;
border: 1px solid #e8e8e8;
text-align: center;
white-space: break-spaces
}
</style>
