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今天给大家带来的是一个小玩意；
用js生成XLS文件，并自动下载
测试环境是MAC chrome ，其他浏览器没测试 ，IE有更好的办法解决
html 代码
<!DOCTYPE html>
<html>
<head>
<meta charset=”UTF-8″ />
<title>js导出XLS</title>
</head>
<body>
<button id=”button”>生成并导出XLS文件</button>
<script>
function createXlsFile(jsonData) {
var table = ‘<table>’
//生成表头
var row = ‘<tr>’
for (var i = 0; i < jsonData.th.length; i++) {
row += ‘<th>’ + jsonData.th[i] + ‘</th>’
}
table += row + ‘</tr>’
var tds = jsonData.tds
for (var i = 0, len = tds.length; i < len; i++) {
var td = ‘<tr>’
for (var j = 0, jLen = tds[i].length; j < jLen; j++) {
td += ‘<td>’ + tds[i][j] + ‘</td>’
}
td += ‘</tr>’
table += td
}
var excelFile =
“<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′>”
excelFile +=
‘<meta http-equiv=”content-type” content=”application/vnd.ms-excel; charset=UTF-8″>’
excelFile +=
‘<meta http-equiv=”content-type” content=”application/vnd.ms-excel’
excelFile += ‘; charset=UTF-8″>’
excelFile += ‘<head>’
excelFile += ‘<!–[if gte mso 9]>’
excelFile += ‘<xml>’
excelFile += ‘<x:ExcelWorkbook>’
excelFile += ‘<x:ExcelWorksheets>’
excelFile += ‘<x:ExcelWorksheet>’
excelFile += ‘<x:Name>’
excelFile += ‘sheet’
excelFile += ‘</x:Name>’
excelFile += ‘<x:WorksheetOptions>’
excelFile += ‘<x:DisplayGridlines/>’
excelFile += ‘</x:WorksheetOptions>’
excelFile += ‘</x:ExcelWorksheet>’
excelFile += ‘</x:ExcelWorksheets>’
excelFile += ‘</x:ExcelWorkbook>’
excelFile += ‘</xml>’
excelFile += ‘<![endif]–>’
excelFile += ‘</head>’
excelFile += ‘<body>’
excelFile += table
excelFile += ‘</body>’
excelFile += ‘</html>’
var uri =
‘data:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;charset=utf-8,base64,’ +
encodeURIComponent(excelFile)
var link = document.createElement(‘a’)
link.href = uri
link.style = ‘visibility:hidden’
link.download = jsonData.fileName + ‘.xls’
document.body.appendChild(link)
link.click()
document.body.removeChild(link)
}
document.getElementById(‘button’).onclick = function() {
createXlsFile({
fileName: ‘test’,
th: [‘年龄’, ‘姓名’, ‘身高’],
tds: [[10, ‘张三’, 110], [20, ‘李四’, 120]],
})
}
</script>
</body>
</html>
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