function getExplorer() {//判断浏览器类型
var explorer = window.navigator.userAgent ;
//ie
if (explorer.indexOf("rv:11") >-1) {
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 toExcel(tableid) {
if(getExplorer()=='ie')
{
try {
var allStr = "";
var str = "";
if (tableid != null && tableid != "") {
str = getTblData(tableid);
}
if (str != null) {
allStr += str;
}
else {
alert("导出的表不存在！");
return;
}
var fileName ='报表';
doFileExport(fileName, allStr);
}
catch (e) {
alert("导出发生异常:" + e.name + "->" + e.description + "!");
}
}
else
{
tableToExcel(tableid)
}
}
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) {
if (!table.nodeType) table = document.getElementById(table)
var ctx = {worksheet: name || 'Worksheet', table: table.innerHTML}
window.location.href = uri + base64(format(template, ctx))
}
})()
function getTblData(inTbl, inWindow) {
var rows = 0;
var tblDocument = document;
/*if (!!inWindow && inWindow != "") {
if (!document.all(inWindow)) {
return null;
}
else {
tblDocument = eval(inWindow).document;
}
}*/
var curTbl = tblDocument.getElementById(inTbl);
if (curTbl.rows.length > 65000) {
alert('源行数不能大于65000行');
return false;
}
if (curTbl.rows.length <= 1) {
alert('数据源没有数据');
return false;
}
var outStr = "";
if (curTbl != null) {
for (var j = 0; j < curTbl.rows.length; j++) {
for (var i = 0; i < curTbl.rows[j].cells.length; i++) {
if (i == 0 && rows > 0) {
outStr += " \t";
rows -= 1;
}
var tc = curTbl.rows[j].cells[i];
if (j > 0 && tc.hasChildNodes() && tc.firstChild.nodeName.toLowerCase() == "input") {
if (tc.firstChild.type.toLowerCase() == "checkbox") {
if (tc.firstChild.checked == true) {
outStr += "是" + "\t";
}
else {
outStr += "否" + "\t";
}
}
}
else {
outStr += " "+curTbl.rows[j].cells[i].innerText + "\t";
}
if (curTbl.rows[j].cells[i].colSpan > 1) {
for (var k = 0; k < curTbl.rows[j].cells[i].colSpan - 1; k++) {
outStr += "\t ";
}
}
if (i == 0) {
if (rows == 0 && curTbl.rows[j].cells[i].rowSpan > 1) {
rows = curTbl.rows[j].cells[i].rowSpan - 1;
}
}
}
outStr += "\r\n";
}
}
else {
outStr = null;
alert(inTbl + "不存在!");
}
return outStr;
}
function doFileExport(inName, inStr) {
var xlsWin = null;
if (!!document.all("glbHideFrm")) {
xlsWin = glbHideFrm;
}
else {
var width = 1;
var height = 1;
var openPara = "left=" + (window.screen.width + width / 2)
+ ",top=" + (window.screen.height/2 + height / 2)
+ ",scrollbars=no,width=" + width + ",height=" + height;
xlsWin = window.open("", "", openPara);
}
xlsWin.document.write(inStr);
xlsWin.document.close();
xlsWin.document.execCommand('Saveas', true, inName);
xlsWin.close();
}
js 实现各个浏览器支持导出复杂excel
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转载自1437999698.iteye.com/blog/2286030
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