前端实现table表格导出excel
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
.tb-head{
background-color: #ccc;
}
</style>
<head>
<script type="text/javascript" language="javascript">
//处理除了行内样式以外的css样式，导出excel时只能读取到行内样式，要讲非行内样式转化成行内样式
window.onload = function(){
var tbhead = document.getElementsByClassName("tb-head");
var computedStyle = document.defaultView.getComputedStyle(tbhead[0], null);
console.log(computedStyle.backgroundColor);
tbhead[0].style.backgroundColor = computedStyle.backgroundColor;
}
var idTmr;
function getExplorer() {
var explorer = window.navigator.userAgent ;
//ie
if (explorer.indexOf("MSIE") >= 0) {
return 'ie';
}
//firefox
else if (explorer.indexOf("Firefox") >= 0) {
return 'Firefox';
}
//Chrome
else if(explorer.indexOf("Chrome") >= 0){
return 'Chrome';
}
//Opera
else if(explorer.indexOf("Opera") >= 0){
return 'Opera';
}
//Safari
else if(explorer.indexOf("Safari") >= 0){
return 'Safari';
}
}
function method1(tableid) {//整个表格拷贝到EXCEL中
if(getExplorer()=='ie')
{
var curTbl = document.getElementById(tableid);
var oXL = new ActiveXObject("Excel.Application");
//创建AX对象excel
var oWB = oXL.Workbooks.Add();
//获取workbook对象
var xlsheet = oWB.Worksheets(1);
//激活当前sheet
var sel = document.body.createTextRange();
sel.moveToElementText(curTbl);
//把表格中的内容移到TextRange中
sel.select;
//全选TextRange中内容
sel.execCommand("Copy");
//复制TextRange中内容
xlsheet.Paste();
//粘贴到活动的EXCEL中
oXL.Visible = true;
//设置excel可见属性
try {
var fname = oXL.Application.GetSaveAsFilename("Excel.xls", "Excel Spreadsheets (*.xls), *.xls");
} catch (e) {
print("Nested catch caught " + e);
} finally {
oWB.SaveAs(fname);
oWB.Close(savechanges = false);
//xls.visible = false;
oXL.Quit();
oXL = null;
//结束excel进程，退出完成
//window.setInterval("Cleanup();",1);
idTmr = window.setInterval("Cleanup();", 1);
}
}
else
{
tableToExcel(tableid)
}
}
function Cleanup() {
window.clearInterval(idTmr);
CollectGarbage();
}
var tableToExcel = (function() {
var uri = 'data:application/vnd.ms-excel;base64,',
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>{table}</table></body></html>',
base64 = function(s) { return window.btoa(unescape(encodeURIComponent(s))) },
format = function(s, c) {
return s.replace(/{(\w+)}/g,
function(m, p) { return c[p]; })
};
return function(table, name) {
debugger;
if (!table.nodeType) table = document.getElementById(table);
var ctx = {worksheet: name || 'Worksheet', table: table.innerHTML};
window.location.href = uri + base64(format(template, ctx));
}
})()
</script>
</head>
<body>
<!-- <table id="ta">
<tr>
<td>1</td><td>admin</td>
<td>23</td><td>程序员</td>
<td>天津</td><td>admin@kali.com</td>
</tr>
<tr>
<td>2</td><td>guest</td>
<td>23</td><td>测试员</td>
<td>北京</td><td>guest@kali.com</td>
</tr>
</table> -->
<table id="tb" border=4 width=250 align=center>
<caption>【表格举例】</caption>
<tr class="tb-head">
<th><br></th>
<th>列-A</th>
<th>列-B</th>
<th>列-C</th>
</tr>
<tr align=center>
<td>行-1</td>
<td>A1</td>
<td>B1</td>
<td rowspan=2>C1-C2</td>
</tr>
<tr align=center>
<td>行-2</td>
<td>A2</td>
<td>B2</td>
</tr>
<tr align=center>
<td>行-3</td>
<td>A3</td>
<td colspan=2>A3-B3</td>
</tr>
</table>
<input id="Button1" type="button" value="导出EXCEL"
onclick="method1('tb')" />
</body>
</html>
不忘初心，方能始终
