Vue前端实现导出页面为word的两种方法

npm install html-docx-js -S
npm install file-saver -S

 <div 
    id="managerReport"
    class="checkInfoStyle">
    <div v-html="exportContent"></div>
 </div>

    // 第一种方法
    wordDownload1 () {
      this.$nextTick(() => {
        const htmlContent = document.getElementById("managerReport") // managerReport id要对应
        // 注意：直接导出表格没有边框并且不是100%撑满的，所以需要做以下的处理
        // 查找并修改表格的样式
        const tables = htmlContent.querySelectorAll('table');
        tables.forEach(table => {
          table.style.borderCollapse = 'collapse'
          table.style.width = '100%'

          table.querySelectorAll('td, th').forEach((cell, index) => {
            if (cell){
              cell.style.border = '1px solid black'
              cell.style.padding = '8px'
            }
          })
        })

		// 拿到需要导出的内容
        let htmlString = htmlContent.innerHTML
        // 注意：以下操作是为了解决导出内容为两端对齐的情况，如果导出内容某一行中有几个字，那这几个字就会两端对齐，格式就错乱了
        // 考虑到是因为<br>标签才会两端对齐，所以做如下的操作（去除<br>标签[br标签是换行标签]，把内容加到<div>标签内）
        const regex = /([^>]*?)<br.*?>/gi;  // 找到结束标签 ‘ <br /> ' 和开始标签 ‘ > ' 中间的内容，把这部分内容放到div标签内
        htmlString = htmlString.replace(regex, (match, p1) => { // p1就是找到的br标签中间的内容
          let ret = ''
          if (p1.trim()){
            ret += `<div>${p1}</div>` // 把找到的内容放到div标签内
          } else {
            ret += `<div>&nbsp;</div>` // 不加此步骤，如果导出内容中间有空行就会解析不了，直接吞掉空行了
          }
          return ret
        })
        // 将HTML转换为Blob对象
        const blob = htmlDocx.asBlob(htmlString);
        saveAs(blob, `${this.editData.cTopicC}(${this.editData.dDate}).docx`)
      })
    },


   // 第二种方法
    wordDownload2 () {
      this.$nextTick(() => {
        const htmlContent = document.getElementById("managerReport")

        // 查找并修改表格的样式
        const tables = htmlContent.querySelectorAll('table')
        tables.forEach(table => {
          table.style.borderCollapse = 'collapse'
          table.style.width = '100%'

          table.querySelectorAll('td, th').forEach((cell, index) => {
            if (cell){
              cell.style.border = '1px solid black'
              cell.style.padding = '8px'
            }
          })
        })

        //去除<br>标签，内容加到<div>标签内
        const brs = htmlContent.querySelectorAll('br')
        brs.forEach(br => {
          const parent = br.parentNode                  //获取父节点
          let textNode = br.previousSibling             //前一个兄弟节点
          // while (textNode && textNode.nodeType !== Node.TEXT_NODE) {
          //   textNode = textNode.previousSibling;        //循环查找，直到找到一个文本节点或没有更多的兄弟节点
          // }
          if (textNode && textNode.nodeType === Node.TEXT_NODE && textNode.textContent.trim()){ //找到文本节点，并且内容不为空
            const div = document.createElement('div')
            div.textContent = textNode.textContent
            parent.insertBefore(div, br)

            parent.removeChild(textNode)                //移除原有的文本节点，避免内容重复
          } else {
            const div = document.createElement('div')
            div.innerHTML = '&nbsp;'
            parent.insertBefore(div, br)
          }
          parent.removeChild(br)
        })

        const htmlContentCopy = htmlContent.cloneNode(true)

        const imgs = htmlContentCopy.querySelectorAll('img')
        imgs.forEach(img => {
          let docxWidth = 620
          if (img.width > docxWidth){
            img.height = img.height * docxWidth / img.width
            img.width = docxWidth
          }
        })

        // 将HTML转换为Blob对象
        const blob = htmlDocx.asBlob(htmlContentCopy.innerHTML)
        saveAs(blob, `${this.editData.cTopicC}(${this.editData.dDate}).docx`)
      })
    },

import FileSaver from "file-saver"; 
import htmlDocx from "html-docx-js/dist/html-docx";**

npm install jquery --save
npm install file-saver

import $ from "@/utils/jq"; // 文件引入路径一定要正确，这是第二步创建的js文件（jq.js）
import saveAs from "file-saver/dist/FileSaver";
import "@/utils/jquery.wordexport"; // 文件引入路径一定要正确，这是第二步创建的js文件(jquery.wordexport.js)

import $ from "jquery";
  window.$ = $;
  window.jQuery = $;
export default $;

if (typeof jQuery !== "undefined" && typeof saveAs !== "undefined") {
  (function ($) {
      $.fn.wordExport = function (fileName) {
          fileName = typeof fileName !== 'undefined' ? fileName : "jQuery-Word-Export";
          var static = {
              mhtml: {
                  top:
                    "Mime-Version: 1.0
Content-Base: " +
                    location.href +
                    '
Content-Type: Multipart/related; boundary="NEXT.ITEM-BOUNDARY";type="text/html"

--NEXT.ITEM-BOUNDARY
Content-Type: text/html; charset="utf-8"
Content-Location: ' +
                    location.href +
                    "

<!DOCTYPE html>
" +
                    '<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40">
_html_</html>',
                  head:
                    '<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<style>
_styles_
</style>
<!--[if gte mso 9]><xml><w:WordDocument><w:View>Print</w:View><w:TrackMoves>false</w:TrackMoves><w:TrackFormatting/><w:ValidateAgainstSchemas/><w:SaveIfXMLInvalid>false</w:SaveIfXMLInvalid><w:IgnoreMixedContent>false</w:IgnoreMixedContent><w:AlwaysShowPlaceholderText>false</w:AlwaysShowPlaceholderText><w:DoNotPromoteQF/><w:LidThemeOther>EN-US</w:LidThemeOther><w:LidThemeAsian>ZH-CN</w:LidThemeAsian><w:LidThemeComplexScript>X-NONE</w:LidThemeComplexScript><w:Compatibility><w:BreakWrappedTables/><w:SnapToGridInCell/><w:WrapTextWithPunct/><w:UseAsianBreakRules/><w:DontGrowAutofit/><w:SplitPgBreakAndParaMark/><w:DontVertAlignCellWithSp/><w:DontBreakConstrainedForcedTables/><w:DontVertAlignInTxbx/><w:Word11KerningPairs/><w:CachedColBalance/><w:UseFELayout/></w:Compatibility><w:BrowserLevel>MicrosoftInternetExplorer4</w:BrowserLevel><m:mathPr><m:mathFont m:val="Cambria Math"/><m:brkBin m:val="before"/><m:brkBinSub m:val="--"/><m:smallFrac m:val="off"/><m:dispDef/><m:lMargin m:val="0"/> <m:rMargin m:val="0"/><m:defJc m:val="centerGroup"/><m:wrapIndent m:val="1440"/><m:intLim m:val="subSup"/><m:naryLim m:val="undOvr"/></m:mathPr></w:WordDocument></xml><![endif]--></head>
',
                  body: "<body>_body_</body>",
              },
          };
          var options = {
              maxWidth: 624,//最大宽度
          };
          // Clone selected element before manipulating it
          var markup = $(this).clone();

          // Remove hidden elements from the output
          markup.each(function () {
              var self = $(this);
              if (self.is(':hidden'))
                  self.remove();
          });

          // Embed all images using Data URLs
          var images = Array();
          var img = markup.find('img');
          // var img = new Image(); 用这一行的话，WPS不显示图片，用上面的——只兼容office Word。
          var mhtmlBottom = "
";
          for (var i = 0; i < img.length; i++) {
              // Calculate dimensions of output image
              var w = Math.min(img[i].width == 0 ? options.maxWidth : img[i].width, options.maxWidth);
              var h = (img[i].height == 0 ? options.defaultLength : img[i].height) * (w / (img[i].width == 0 ? options.maxWidth : img[i].width));

              // Create canvas for converting image to data URL
              var canvas = document.createElement("CANVAS");
              canvas.width = w;
              canvas.height = h;
              // Draw image to canvas
              var context = canvas.getContext('2d');
              context.drawImage(img[i], 0, 0, w, h);
              // Get data URL encoding of image
              var uri = canvas.toDataURL("image/png");
              // console.log(i+":"+uri);
              $(img[i]).attr("src", img[i].src);
              img[i].width = w;
              img[i].height = h;

              mhtmlBottom += "--NEXT.ITEM-BOUNDARY
";
              mhtmlBottom += "Content-Location: " + uri + "
";
              mhtmlBottom += "Content-Type: " + uri.substring(uri.indexOf(":") + 1, uri.indexOf(";")) + "
";
              mhtmlBottom += "Content-Transfer-Encoding: " + uri.substring(uri.indexOf(";") + 1, uri.indexOf(",")) + "

";
              mhtmlBottom += uri.substring(uri.indexOf(",") + 1) + "

";
          }

          mhtmlBottom += "--NEXT.ITEM-BOUNDARY--";

          //TODO: load css from included stylesheet
          var styles = "";

          // Aggregate parts of the file together
          var fileContent = static.mhtml.top.replace("_html_", static.mhtml.head.replace("_styles_", styles) + static.mhtml.body.replace("_body_", markup.html())) + mhtmlBottom;

          // Create a Blob with the file contents
          var blob = new Blob([fileContent], {
              type: "application/msword;charset=utf-8"
          });
          saveAs(blob, fileName + ".doc"); // 注意：不要改成docx，不然会打不开！！！
          
      };
  })(jQuery);
} else {
  if (typeof jQuery === "undefined") {
      console.error("jQuery Word Export: missing dependency (jQuery)");
  }
  if (typeof saveAs === "undefined") {
      console.error("jQuery Word Export: missing dependency (FileSaver.js)");
  }
}