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Detailed explanation of five methods to export Excel using JS

亚连

May 30, 2018 am 10:04 AM

exceljavascriptExport

This article mainly introduces the five methods of exporting Excel using JS, and analyzes in detail the relevant operating techniques for exporting Excel files based on tables in the form of examples. The source code is also attached for readers to download and refer to. Friends who need it can refer to it. Next

The examples in this article describe five methods of exporting Excel using JS. Share it with everyone for your reference, the details are as follows:

The first four methods of these five methods only support the IE browser, and the last method supports the current mainstream browsers (Firefox, IE, Chrome, Opera, Safari)

<!DOCTYPE html>
<html>
<head lang="en">
  <meta charset="UTF-8">
  <title>html 表格导出道</title>
  <script language="JavaScript" type="text/javascript">
    //第一种方法
    function method1(tableid) {
      var curTbl = document.getElementById(tableid);
      var oXL = new ActiveXObject("Excel.Application");
      var oWB = oXL.Workbooks.Add();
      var oSheet = oWB.ActiveSheet;
      var sel = document.body.createTextRange();
      sel.moveToElementText(curTbl);
      sel.select();
      sel.execCommand("Copy");
      oSheet.Paste();
      oXL.Visible = true;
    }
    //第二种方法
    function method2(tableid)
    {
      var curTbl = document.getElementById(tableid);
      var oXL = new ActiveXObject("Excel.Application");
      var oWB = oXL.Workbooks.Add();
      var oSheet = oWB.ActiveSheet;
      var Lenr = curTbl.rows.length;
      for (i = 0; i < Lenr; i++)
      {    var Lenc = curTbl.rows(i).cells.length;
        for (j = 0; j < Lenc; j++)
        {
          oSheet.Cells(i + 1, j + 1).value = curTbl.rows(i).cells(j).innerText;
        }
      }
      oXL.Visible = true;
    }
    //第三种方法
    function getXlsFromTbl(inTblId, inWindow){
      try {
        var allStr = "";
        var curStr = "";
        if (inTblId != null && inTblId != "" && inTblId != "null") {
          curStr = getTblData(inTblId, inWindow);
        }
        if (curStr != null) {
          allStr += curStr;
        }
        else {
          alert("你要导出的表不存在");
          return;
        }
        var fileName = getExcelFileName();
        doFileExport(fileName, allStr);
      }
      catch(e) {
        alert("导出发生异常:" + e.name + "->" + e.description + "!");
      }
    }
    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);
      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;
            }
            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 += "rn";
        }
      }
      else {
        outStr = null;
        alert(inTbl + "不存在 !");
      }
      return outStr;
    }
    function getExcelFileName() {
      var d = new Date();
      var curYear = d.getYear();
      var curMonth = "" + (d.getMonth() + 1);
      var curDate = "" + d.getDate();
      var curHour = "" + d.getHours();
      var curMinute = "" + d.getMinutes();
      var curSecond = "" + d.getSeconds();
      if (curMonth.length == 1) {
        curMonth = "0" + curMonth;
      }
      if (curDate.length == 1) {
        curDate = "0" + curDate;
      }
      if (curHour.length == 1) {
        curHour = "0" + curHour;
      }
      if (curMinute.length == 1) {
        curMinute = "0" + curMinute;
      }
      if (curSecond.length == 1) {
        curSecond = "0" + curSecond;
      }
      var fileName = "table" + "_" + curYear + curMonth + curDate + "_"
          + curHour + curMinute + curSecond + ".csv";
      return fileName;
    }
    function doFileExport(inName, inStr) {
      var xlsWin = null;
      if (!!document.all("glbHideFrm")) {
        xlsWin = glbHideFrm;
      }
      else {
        var width = 6;
        var height = 4;
        var openPara = "left=" + (window.screen.width / 2 - width / 2)
            + ",top=" + (window.screen.height / 2 - height / 2)
            + ",scrollbars=no,width=" + width + ",height=" + height;
        xlsWin = window.open("", "_blank", openPara);
      }
      xlsWin.document.write(inStr);
      xlsWin.document.close();
      xlsWin.document.execCommand(&#39;Saveas&#39;, true, inName);
      xlsWin.close();
    }
    //第四种
    function method4(tableid){
      var curTbl = document.getElementById(tableid);
      var oXL;
      try{
        oXL = new ActiveXObject("Excel.Application"); //创建AX对象excel
      }catch(e){
        alert("无法启动Excel!\n\n如果您确信您的电脑中已经安装了Excel，"+"那么请调整IE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 → 对没有标记为安全的ActiveX进行初始化和脚本运行 → 启用");
        return false;
      }
      var oWB = oXL.Workbooks.Add(); //获取workbook对象
      var oSheet = oWB.ActiveSheet;//激活当前sheet
      var sel = document.body.createTextRange();
      sel.moveToElementText(curTbl); //把表格中的内容移到TextRange中
      sel.select(); //全选TextRange中内容
      sel.execCommand("Copy");//复制TextRange中内容
      oSheet.Paste();//粘贴到活动的EXCEL中
      oXL.Visible = true; //设置excel可见属性
      var fname = oXL.Application.GetSaveAsFilename("将table导出到excel.xls", "Excel Spreadsheets (*.xls), *.xls");
      oWB.SaveAs(fname);
      oWB.Close();
      oXL.Quit();
    }
    //第五种方法
    var idTmr;
    function getExplorer() {
      var explorer = window.navigator.userAgent ;
      //ie
      if (explorer.indexOf("MSIE") >= 0) {
        return &#39;ie&#39;;
      }
      //firefox
      else if (explorer.indexOf("Firefox") >= 0) {
        return &#39;Firefox&#39;;
      }
      //Chrome
      else if(explorer.indexOf("Chrome") >= 0){
        return &#39;Chrome&#39;;
      }
      //Opera
      else if(explorer.indexOf("Opera") >= 0){
        return &#39;Opera&#39;;
      }
      //Safari
      else if(explorer.indexOf("Safari") >= 0){
        return &#39;Safari&#39;;
      }
    }
    function method5(tableid) {
      if(getExplorer()==&#39;ie&#39;)
      {
        var curTbl = document.getElementById(tableid);
        var oXL = new ActiveXObject("Excel.Application");
        var oWB = oXL.Workbooks.Add();
        var xlsheet = oWB.Worksheets(1);
        var sel = document.body.createTextRange();
        sel.moveToElementText(curTbl);
        sel.select();
        sel.execCommand("Copy");
        xlsheet.Paste();
        oXL.Visible = true;
        try {
          var fname = oXL.Application.GetSaveAsFilename("Excel.xls", "Excel Spreadsheets (*.xls), *.xls");
        } catch (e) {
          print("Nested catch caught " + e);
        } finally {
          oWB.SaveAs(fname);
          oWB.Close(savechanges = false);
          oXL.Quit();
          oXL = null;
          idTmr = window.setInterval("Cleanup();", 1);
        }
      }
      else
      {
        tableToExcel(tableid)
      }
    }
    function Cleanup() {
      window.clearInterval(idTmr);
      CollectGarbage();
    }
    var tableToExcel = (function() {
      var uri = &#39;data:application/vnd.ms-excel;base64,&#39;,
          template = &#39;<html><head><meta charset="UTF-8"></head><body><table>{table}</table></body></html>&#39;,
          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 || &#39;Worksheet&#39;, table: table.innerHTML}
        window.location.href = uri + base64(format(template, ctx))
      }
    })()
  </script>
</head>
<body>
<p >
  <button type="button" onclick="method1(&#39;tableExcel&#39;)">导出Excel方法一</button>
  <button type="button" onclick="method2(&#39;tableExcel&#39;)">导出Excel方法二</button>
  <button type="button" onclick="getXlsFromTbl(&#39;tableExcel&#39;,&#39;myp&#39;)">导出Excel方法三</button>
  <button type="button" onclick="method4(&#39;tableExcel&#39;)">导出Excel方法四</button>
  <button type="button" onclick="method5(&#39;tableExcel&#39;)">导出Excel方法五</button>
</p>
<p id="myp">
<table id="tableExcel" width="100%" border="1" cellspacing="0" cellpadding="0">
  <tr>
    <td colspan="5" align="center">html 表格导出道Excel</td>
  </tr>
  <tr>
    <td>列标题1</td>
    <td>列标题2</td>
    <td>类标题3</td>
    <td>列标题4</td>
    <td>列标题5</td>
  </tr>
  <tr>
    <td>aaa</td>
    <td>bbb</td>
    <td>ccc</td>
    <td>ddd</td>
    <td>eee</td>
  </tr>
  <tr>
    <td>AAA</td>
    <td>BBB</td>
    <td>CCC</td>
    <td>DDD</td>
    <td>EEE</td>
  </tr>
  <tr>
    <td>FFF</td>
    <td>GGG</td>
    <td>HHH</td>
    <td>III</td>
    <td>JJJ</td>
  </tr>
</table>
</p>
</body>
</html>

I came up today and found that many people will encounter problems with file names, formats, etc. Add a method here. I have not tested the compatibility. You can try it, but you need to use JQ to post the code directly. The source code can be found here下载. Note that you must quote the files corresponding to jquery-3.2.1.min.js and jquery.table2excel.js. jquery-3.2.1.min.js depends on your corresponding file version, it doesn’t matter. If you have any questions, criticism and guidance are welcome.

<!DOCTYPE html>
<html>
<head lang="en">
  <meta charset="UTF-8">
  <title>html 表格导出道</title>
  <script src="js/vendor/jquery-3.2.1.min.js"></script>
  <script src="jquery.table2excel.js"></script>
  <script language="JavaScript" type="text/javascript">
    $(document).ready(function () {
      $("#btnExport").click(function () {
        $("#tableExcel").table2excel({
          exclude : ".noExl", //过滤位置的 css 类名
          filename : "你想说啥" + new Date().getTime() + ".xls", //文件名称
          name: "Excel Document Name.xlsx",
          exclude_img: true,
          exclude_links: true,
          exclude_inputs: true
        });
      });
    });
  </script>
</head>
<body>
<p >
  <button type="button" id="btnExport" onclick="method5(&#39;tableExcel&#39;)">导出Excel</button>
</p>
<p id="myp">
  <table id="tableExcel" width="100%" border="1" cellspacing="0" cellpadding="0">
    <tr>
      <td colspan="5" align="center">html 表格导出道Excel</td>
    </tr>
    <tr>
      <td>列标题1</td>
      <td>列标题2</td>
      <td>类标题3</td>
      <td>列标题4</td>
      <td>列标题5</td>
    </tr>
    <tr>
      <td>aaa</td>
      <td>bbb</td>
      <td>ccc</td>
      <td>ddd</td>
      <td>eee</td>
    </tr>
    <tr>
      <td>AAA</td>
      <td>BBB</td>
      <td>CCC</td>
      <td>DDD</td>
      <td>EEE</td>
    </tr>
    <tr>
      <td>FFF</td>
      <td>GGG</td>
      <td>HHH</td>
      <td>III</td>
      <td>JJJ</td>
    </tr>
  </table>
</p>
</body>
</html>

The above is what I compiled for everyone. I hope it will be helpful to everyone in the future.

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