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如何将网页表格内容导入excel

2014-02-18 00:00 351 查看
将访问的页面加入到可信任站点
//导出到Excel,注意,表格标记内不得有注释,因为childNodes会把注释也算进去 
//如果出错,需要关闭Excel,否则Excel进程会一直运行着 
//td中只能有一个input值 
//非td间不可以有组建 否则报缺少“;”错误 
//引用页面加上<script type="text/javascript" src="execl.js"></script> 
//添加按钮<input style="height:26px" type="button" name="btnExcel" value="导出excel" onClick="ExportExcel(this,'tableNr','','表头');"/> 
//将table表的id和class设置为tableNr 
function ExportExcel(btn,TabId,strCols,sTitle,sHeader,sFooter){ 
//alert('ssss'); 
btn.style.cursor = "wait"; 
event.returnValue = false; 
//try{ 
var tab = document.getElementById(TabId); 
// if(tab == null) tab = document.getElementById("dg") 
//if(tab == null) tab = document.getElementById("db") 
//if(tab == null) tab = document.getElementById(TabId) 
if(tab == null){ 
alert("缺少表格对象"); 
btn.style.cursor = "hand"; 
return; 
} 
var t = tab.firstChild; 
var rows = t.childNodes.length; 
//alert(t.nodeName); //test 
var tds = t.childNodes[0].childNodes.length; 
var cols = 0; 
for(var i=0;i<tds;i++){ 
var td = t.childNodes[0].childNodes[i]; 
if(parseInt(td.colSpan)>1){ 
cols += parseInt(td.colSpan); 
} 
else{ 
cols++; 
} 
} 
try{ 
var oXL = new ActiveXObject("Excel.Application"); 
}catch(e){ 
alert("请确认已经安装了Excel并允许运行Excel!"); 
alert("无法启动Excel,请确保电脑中已经安装了Excel!\n\n如果已经安装了Excel,"+"请将ip地址加入信任站点,并调整IE信任站点的安全级别。\n\n具体操作:\n\n"+"工具 → Internet选项 → 安全 → 自定义级别 → ActiveX 控件和插件 → 对未标记为可安全执行脚本的ActiveX 控件初始化并执行脚本 → 启用 → 确定"); 
btn.style.cursor = "hand"; 
return; 
} 
oXL.Workbooks.Add(); 
var obook = oXL.ActiveWorkBook; 
var osheets = obook.Worksheets; 
var osheet = obook.Sheets(1); 
var xlrow = 1; 
//添加标题 
if((sTitle == "") || (typeof(sTitle)=="undefined") || (sTitle==null)){ 
var t_tdHeadc = document.getElementById("tdHeadc"); 
if(t_tdHeadc != null){ 
sTitle = t_tdHeadc.innerText; 
var sk = sTitle.lastIndexOf("-->")+3; 
sTitle = sTitle.substring(sk); 
} 
} 
osheet.Cells(1, 1) = sTitle; 
osheet.Range(osheet.Cells(xlrow, 1),osheet.Cells(xlrow,cols)).Select(); //选择该列 
oXL.Selection.HorizontalAlignment = 3; //居中 
oXL.Selection.MergeCells = true; 
xlrow++; 
//小标题 
if((sHeader == "") || (typeof(sHeader)=="undefined") || (sHeader==null)){ 
sHeader = ""; 
} 
if(sHeader != ""){ 
osheet.Cells(2, 1) = sHeader; 
osheet.Range(osheet.Cells(xlrow, 1),osheet.Cells(xlrow,cols)).Select(); //选择该列 
//oXL.Selection.HorizontalAlignment = 3; //居中 
oXL.Selection.MergeCells = true; 
xlrow++; 
} 
var winX = (screen.width - 300) / 2; 
var winY = (screen.height - 120) / 2; 

var win = window.open("","","directories=0,location=0,memubar=0,scrollbars=0,status=0,toolbar=0,width=230,height=75,left=" + winX + ",top=" + winY); 
win.document.write('<html><title>' + sTitle + '导出Excel</title><body><div id="m_pub_wzs_progress_x" style="background:white;overflow:hidden;padding-top:0;display:none;position:absolute;left:10px;top:25px;"><table id="m_pub_wzs_progress_tab" border=0 cellspacing=1 bgcolor="#CCCCCC" style="display:inline;border-width:1px;border-style:solid;border-left-color:#333333;border-top-color:#333333;border-right-color:#EEEEEE;border-bottom-color:#EEEEEE;">'); 
win.document.write('<tr height=17><td width=4 bgcolor="#000088"></td><td width=4 bgcolor="#000088"></td><td width=4 bgcolor="#000088"></td><td width=4 bgcolor="#000088"></td><td width=4 bgcolor="#000088"></td><td width=4 bgcolor="#000088"></td><td width=4 bgcolor="#000088"></td><td width=4 bgcolor="#000088"></td><td width=4 bgcolor="#000088"></td><td width=4 bgcolor="#000088"></td><td width=4 bgcolor="#000088"></td><td width=4 bgcolor="#000088"></td><td width=4 bgcolor="#000088"></td><td width=4 bgcolor="#000088"></td><td width=4 bgcolor="#CCCCCC"></td><td width=4 bgcolor="#CCCCCC"></td><td width=4 bgcolor="#CCCCCC"></td><td width=4 bgcolor="#CCCCCC"></td><td width=4 bgcolor="#CCCCCC"></td><td width=4 bgcolor="#CCCCCC"></td><td width=4 bgcolor="#CCCCCC"></td><td width=4 bgcolor="#CCCCCC"></td><td width=4 bgcolor="#CCCCCC"></td><td width=4 bgcolor="#CCCCCC"></td><td width=4 bgcolor="#CCCCCC"></td><td width=4 bgcolor="#CCCCCC"></td><td width=4 bgcolor="#CCCCCC"></td><td width=4 bgcolor="#CCCCCC"></td><td width=4 bgcolor="#CCCCCC"></td><td width=4 bgcolor="#CCCCCC"></td>'); 
win.document.write('</tr></table><br><span id="m_pub_wzs_progress_percent" style="font-size:10pt;vertical-align:middle;color:black;font-family:宋体">总计' + rows + '行,已导出<font id="sx" color="#cc0000"></font>行!</span></div><br /><br /><br /><script language="javascript">var osx=document.getElementById("sx");var div = document.getElementById("m_pub_wzs_progress_x");function m_pub_wzs_progress_show(pTotalCount,pCurrCount){osx.innerText = pCurrCount;var m = Math.floor(pCurrCount / pTotalCount * 30);div.style.display = "";var tr = div.firstChild.rows[0];for(var i=0;i<tr.cells.length;i++){var td=tr.cells[i]; if(i<m) td.bgColor="#000088"; else td.bgColor="#CCCCCC";}}function m_pub_wzs_progress_hide(){ var div = document.getElementById("m_pub_wzs_progress_x"); div.style.display = "none";}</script></body></html> '); 

//win.document.write("<div style='font-size:10pt;font-family:宋体'>总共" + rows + "行,已导出<font id='sx' color='#cc0000'></font>行!</div>"); 
//win.m_pub_wzs_progress_show(0,rows); 
strCols = ","+strCols+","; 
var aRowSpans = new Array(); 
for(var i=0;i<cols;i++){ 
aRowSpans[i] = 1; 
} 
var isProgressErr = false; 
for(var i = 0; i < rows; i++){ 
//btn.value = i; 
if(!isProgressErr){ 
try{ 
win.m_pub_wzs_progress_show(rows,i+1); 
} 
catch(e){ 
isProgressErr = true; 
} 
} 
var row = t.childNodes[i]; 
var xlcol =0; 
var viwCol = -1; //所在表格的位置,指显示位置,如果有行合并时,会与列索引不一致 
var colInx = -1; 
var colSpans = 1; 
for(var h = 0; h < cols; h++){ 
if(aRowSpans[h]>1){ 
xlcol++; 
aRowSpans[h]--; 
viwCol++; 
continue; 
} 
else{ 
colInx++; 
} 
var td = t.childNodes[i].childNodes[colInx]; 
if(td == null) continue; 
colSpans = td.colSpan; 
var rowSpan = td.rowSpan; 
if(isNaN(rowSpan)) rowSpan = 1; 
for(var k=0;k<td.colSpan;k++){ 
viwCol++; 
xlcol++; 
aRowSpans[viwCol] = rowSpan; 
} 
h+=td.colSpan-1; //跳过合并列 
if(td.className=="hideNode"){ 
xlcol--; 
continue; 
} 
var s = ""; 
if(td.hasChildNodes() && td.firstChild.nodeName.toLowerCase()=="input"){ 
if(td.firstChild.type.toLowerCase()=="text"){ 
s = td.firstChild.value; 
} 
else if(td.firstChild.type.toLowerCase()=="radio"){ //如果是单选框, 遍历该框所有单选框,找到选择的值 
for(var k=0;k<td.childNodes.length;k++){ 
var cn = td.childNodes[k]; 
if(cn.nodeName.toLowerCase()=="input" && cn.type.toLowerCase() == "radio" && cn.checked){ 
s = cn.value; 
break; 
} 
} 
} 
} 
else{ 
s = td.innerText; 
} 
if(strCols.indexOf("," + (xlcol-1) + ",")!=-1){ 
osheet.Cells(xlrow,xlcol).NumberFormatLocal = '@'; 
} 
if(td.rowSpan>1 || td.colSpan>1){ 
osheet.range(osheet.cells(xlrow,xlcol),osheet.cells(xlrow-1+td.rowSpan, xlcol-td.colSpan+1)).Select(); 
oXL.Selection.MergeCells = true; 
osheet.Cells(xlrow,xlcol).HorizontalAlignment = 3; 
//osheet.cells(i+td.rowSpan, xlcol-td.colSpan+1).value = s; 
osheet.Cells(xlrow,xlcol-td.colSpan+1).value = s;//m_splitLen(s,30,'\r\n'); 
}else{ 
osheet.Cells(xlrow,xlcol).value = s;//m_splitLen(s,30,'\r\n'); 
} 
} 
xlrow++; 
} 
//添加表尾 
if((sFooter == "") || (typeof(sFooter)=="undefined") || (sFooter==null)){ 
sFooter = ""; 
} 
var d = new Date(); 
var sUser = ""; 
if((window.parent != null) && (window.parent.parent != null)){ 
try{ 
sUser = window.parent.parent.bottomFrame.document.getElementById("labUser").innerText.replace("用户:","").replace(/ /g,""); 
} 
catch(ex){ 
} 
} 
var sFooterDefault = " 制表人:" + sUser + " 制表时间:" + d.getFullYear() + "-" + (d.getMonth() + 1) + "-" + d.getDate() + " " + d.getHours() + ":" + d.getMinutes() + ":" + d.getSeconds() + " "; 
osheet.Cells(xlrow, 1) = sFooterDefault + sFooter; 
osheet.Range(osheet.Cells(xlrow, 1),osheet.Cells(xlrow,cols)).Select(); //选择该列//oXL.Selection.HorizontalAlignment = 4; //居中 
oXL.Selection.MergeCells = true; 
osheet.Range(osheet.Cells(1, 1),osheet.Cells(1,1)).Select(); //选择第一个单元格列 
osheet.Columns.AutoFit(); //自动列宽 
for(var i=1;i<xlrow;i++){ 
osheet.Rows(i).RowHeight = osheet.Rows(i).RowHeight + 6; //自动大小后上下无边距,需要增加高度,要不太挤。 
} 
if(!isProgressErr){ //关闭进度条 
win.close(); 
} 
oXL.Visible = true; 
oXL.UserControl = true; 

oXL = null; 
obook = null; 
osheets = null; 
osheet = null; 

btn.style.cursor = "hand"; 
}
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