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在页面的<br />导致导出Excel中是会以多行的方式显示，达不到页面在一个单元格中进行换行，为此我们有以下两种方式：
1.CSS样式方式
<br style=‘mso-data-placement:same-cell;‘/>
2.JS方式，如果能够100%命中的话，采用这种方式最好。
<script type="text/javascript">
function toPcmExcel() {
var myExcel, myBook;
try {
myExcel = new ActiveXObject("Excel.Application");
} catch (e) {
try {
myExcel = new ActiveXObject("ET.Application");
} catch (e) {
alert("您的电脑没有安装Microsoft Excel或WPS软件！");
return;
}
}
var excelRep = "------";
var sel = document.body.createTextRange();
var obj = document.getElementById("div_Report");
var html = obj.innerHTML;//html副本
obj.innerHTML = obj.innerHTML.replace(/<br\s*\/?>/gi, (excelRep));
sel.moveToElementText(document.all.div_Report);
sel.select();
document.execCommand(‘Copy‘);
document.execCommand(‘Unselect‘);
myExcel.Visible = true;
myBook = myExcel.Workbooks.Add();
var sheet = myBook.sheets(1);
sheet.name = document.all.tb_hiddenReportTitle.innerText;
sheet.columns.ColumnWidth = 20;
sheet.columns(3).ColumnWidth = 25;
sheet.columns(5).ColumnWidth = 25;
sheet.paste();
obj.innerHTML = html;//恢复副本
var itemCount = 2;
for (var i = 1; i < 1000; i++) {
//替换命中值
if (sheet.rows(i).cells(1).value == priceText) {
sheet.rows(i).cells(2).replace(excelRep, ‘\n‘);//将页面<br>换成Excel的换行符
itemCount--;
}
if (sheet.rows(i).cells(1).value == CartonNoText) {
sheet.rows(i).cells(2).replace(excelRep, ‘\n‘);
itemCount--;
}
if (itemCount == 0) break;
}
}
</script>
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原文地址：http://www.cnblogs.com/magic_evan/p/4940296.html
