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js操作Excel

2012-11-15 17:30 204 查看
<html>
<head><title>456</title></head>
<body>
<div>
<input type="file" name="fileChose" id="file"/>
<input type="button" value="打开" onclick="testX()"/>
<input type="button" value="创建表格" onclick="create()"/>
</div>

<script type="text/javascript">

var names = new Array('userName','userPwd','email','mobile','address');
var vls1 = new Array();
var currentCell=0;
var ids = new Array();
//创建表单
function create()
{

var html="<table>";
for(var i=0;i<names.length;i++)
{
html+="<tr><td>"+names[i]+"</td><td><input type='txt' id='id"+i+"'/></td></tr>";
ids[i]="id"+i;
}
html+="</table><div><input  type='submit' value='下一条' onclick='nextData()'/>";
html+="<input  type='button' value='保存' onclick='createExcel()'/></div>";
var newRow = document.getElementById("rs2");
newRow.innerHTML="填写表单:<p>"+html;
}
//下一条
function nextData()
{
var vl = new Array();
for(var i=0;i<ids.length;i++)
{
var pt = document.getElementById(ids[i]);
vl[i]= pt.value;
//    pt.value="";

}
vls1[currentCell++]=vl;
document.getElementById(ids[0]).value="";
document.getElementById(ids[1]).value="";
document.getElementById(ids[0]).focus();
}

//建表
function createExcel()
{

try{

var xls = new ActiveXObject("Excel.Application");
xls.visible = false;
//var newBook = xls.Workbooks.Add;
var file=document.getElementById("file");
var filePath=file.value;
var newBook = xls.Workbooks.open(filePath);
var sheet =newBook.Worksheets(1);
//    newBook.Worksheets.Add;
sheet.Activate;
xls.ActiveWorkBook.ActiveSheet.PageSetup.Orientation = 2;
xls.ActiveWorkBook.ActiveSheet.PageSetup.PaperSize = 5;
//sheet.Columns("A").columnwidth=50;
sheet.Columns("A").WrapText = true;
//    sheet.Columns("B").columnwidth=50;
sheet.Columns("B").WrapText = true;
//sheet.Range("A1:B1000").NumberFormat = "0";
//sheet.Range("A1:B1000").HorizontalAlignment = -4131;
for(var i=1;i<=names.length;i++)
{
sheet.Cells(1,i).Interior.ColorIndex="15";
sheet.Cells(1,i).value=names[i-1];
}
var columscount = sheet.Columns.count;
var startColum=0;
//找到追加的起始行
for(var k=1;k<columscount;k++)
{
startColum++;
if(!sheet.Cells(k,1).value)
{
break;
}
}
for(var i=1;i<=vls1.length;i++)
{
var values = vls1[i-1];
for(var j=1;j<=values.length;j++)
{
sheet.Cells(startColum,j).value=values[j-1];
}
startColum++;
}
currentCell=0;//保存后清零
//sheet.Close(savechanges=true);
//newBook.Close(savechanges=true);
try
{
sheet.Application.Quit();
//xls.Quit();
newBook=null;
xls = null;
}catch(e){}
//alert("保存成功");
//ExcelSheet.SaveAs("C:\\TEST.XLS");
//sheet.Name="体检表"

}catch(e)
{
alert(e.message);
return;
}
}
//读取表格
function testX()
{
var xls=null;
var newBook = null;
var file=document.getElementById("file");
var filePath=file.value;
try{
xls = new ActiveXObject("Excel.Application");
xls.DisplayAlerts = false;
if(xls!=null)
{
newBook = xls.Workbooks.Open(filePath);
var  mySheet=newBook.ActiveSheet;
var cs = mySheet.Columns.count;
var rs = mySheet.Rows.count;
cs=cs>20?20:cs;
rs=rs>50?50:rs;
var tb = getSheet(rs,cs,mySheet);
var newRow = document.getElementById("rs");
newRow.innerHTML="以下是表格数据:"+tb;
mySheet.Application.Quit();
//xls.Quit();
//newBook.Close();
mySheet=null;
newBook=null;
xls = null;
// alert("表单关闭");
}
}catch(e){
alert(e.message);
}

}
//遍历一个sheet
function getSheet(rows,colums,oSheet)
{
var str="<table border='1'><tr>";
try{
for(var i=1;i<rows;i++){

for(var j=1;j<colums;j++)
{
var vl = oSheet.Cells(i,j);
if(!vl.value)
{
vl="\t";
}
str+="<td>"+vl+"</td>";
}
str+="<tr>";
}
}catch(e){
alert(e.message);
}
str+="</tr><table>";
return str;
}

</script>
<div id="fm"></div>
<div id="rs"></div>
<div id="rs2"></div>
</body>
</html>
转自:http://www.cnblogs.com/czpblog/archive/2012/09/06/js%E6%93%8D%E4%BD%9Cexcel.html
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