JS导出table到excel

function exportExcel(){ 
try    
    { 
        var table=document.all("table"); 
        var oXL = new ActiveXObject("Excel.Application"); 
        var oSheet=oXL.Workbooks.Add().ActiveSheet; 
        for (i=0; i < table.rows.length; i++) { 
            for (j=0; j < table.rows(i).cells.length; j++){ 
              oSheet.Cells(i+1,j+1).Font.Size = 9; 
              oSheet.Cells(i+1,j+1).Font.Name = "宋体";    
              oSheet.Cells(i+1,j+1).HorizontalAlignment = 3; //水平对齐方式枚举* (1-常规，2-靠左，3-居中，4-靠右，5-填充 6-两端对齐，7-跨列居中，8-分散对齐)
              oSheet.Cells(i+1,j+1).VerticalAlignment = 2; //垂直对齐方式枚举*(1-靠上，2-居中，3-靠下，4-两端对齐，5-分散对齐)
              oSheet.Cells(i+1,j+1).WrapText=true; //自动换行 
              oSheet.Cells(i+1,j+1).Value = table.rows(i).cells(j).innerText; 
            } 
            oXL.Visible = false; 
            oXL.UserControl = true; 
        } 
        oSheet.SaveAs("C:\\Documents and Settings\\PC2\\桌面");
        oXL.Quit();
        alert("导出成功!");
    }       
    catch(e)     
    {     
      alert("错误!导致错误的原因可能是您的电脑没有安装Microsoft Excel软件")     
      return false    
    }     
}