js 实现纯前端将数据导出excel
2020-12-23 本文已影响0人
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https://www.cnblogs.com/onesea/p/13286180.html
<html>
<head>
<p style="font-size: 20px;color: red;">使用table标签方式将json导出xls文件</p>
<button onclick='tableToExcel()'>导出</button>
</head>
<body>
<script>
function tableToExcel(){
//要导出的json数据
const jsonData = [
{
name:'路人甲',
phone:'123456',
email:'123@123456.com'
},
{
name:'炮灰乙',
phone:'123456',
email:'123@123456.com'
},
{
name:'土匪丙',
phone:'123456',
email:'123@123456.com'
},
{
name:'流氓丁',
phone:'123456',
email:'123@123456.com'
},
]
//列标题
let str = '<tr><td>姓名</td><td>电话</td><td>邮箱</td></tr>';
//循环遍历，每行加入tr标签，每个单元格加td标签
for(let i = 0 ; i < jsonData.length ; i++ ){
str+='<tr>';
for(let item in jsonData[i]){
//增加\t为了不让表格显示科学计数法或者其他格式
str+=`<td>${ jsonData[i][item] + '\t'}</td>`;
}
str+='</tr>';
}
//Worksheet名
let worksheet = 'Sheet1'
let uri = 'data:application/vnd.ms-excel;base64,';
//下载的表格模板数据
let template = `<html xmlns:o="urn:schemas-microsoft-com:office:office"
xmlns:x="urn:schemas-microsoft-com:office:excel"
xmlns="http://www.w3.org/TR/REC-html40">
<head><!--[if gte mso 9]><xml><x:ExcelWorkbook><x:ExcelWorksheets><x:ExcelWorksheet>
<x:Name>${worksheet}</x:Name>
<x:WorksheetOptions><x:DisplayGridlines/></x:WorksheetOptions></x:ExcelWorksheet>
</x:ExcelWorksheets></x:ExcelWorkbook></xml><![endif]-->
</head><body><table>${str}</table></body></html>`;
//下载模板
window.location.href = uri + base64(template)
}
//输出base64编码
function base64 (s) { return window.btoa(unescape(encodeURIComponent(s))) }
</script>
</body>
</html>
