前言：
项目开发中遇到了需要将HTML页面的内容导出为一个word文档，所以有了这边随笔。
当然，项目开发又时间有点紧迫，第一时间想到的是用插件，所以百度了下。下面就介绍两个导出word文档的方法。
备注：兼容IE9以上
大概浏览了下jquery.wordexport.js插件的代码，了解到了通过该插件可以导出文本和图片，而图片首先通过canvas的形式
绘制，文本则需要再依赖FileSaver.js插件，FileSaver.js插件则主要通过H5的文件操作新特性new Blob()和new FileReader()
来实现文本的导出。
插件源码：
FileSaver.js
1 /* FileSaver.js
2 * A saveAs() FileSaver implementation.
3 * 1.3.2
4 * 2016-06-16 18:25:19
5 *
6 * By Eli Grey,
7 * License: MIT
8 * See
9 */
10
11 /*global self */
12 /*jslint bitwise: true, indent: 4, laxbreak: true, laxcomma: true, smarttabs: true, plusplus: true */
13
14 /*! @source */
15
16 var saveAs = saveAs || (function(view) {
17 "use strict";
18 // IE <10 is explicitly unsupported
19 if (typeof view === "undefined" || typeof navigator !== "undefined" && /MSIE [1-9]\./.test(navigator.userAgent)) {
20 return;
21 }
22 var
23 doc = view.document
24 // only get URL when necessary in case Blob.js hasn't overridden it yet
25 , get_URL = function() {
26 return view.URL || view.webkitURL || view;
27 }
28 , save_link = doc.createElementNS("", "a")
29 , can_use_save_link = "download" in save_link
30 , click = function(node) {
31 var event = new MouseEvent("click");
32 node.dispatchEvent(event);
33 }
34 , is_safari = /constructor/i.test(view.HTMLElement)
35 , is_chrome_ios =/CriOS\/[\d]+/.test(navigator.userAgent)
36 , throw_outside = function(ex) {
37 (view.setImmediate || view.setTimeout)(function() {
38 throw ex;
39 }, 0);
40 }
41 , force_saveable_type = "application/octet-stream"
42 // the Blob API is fundamentally broken as there is no "downloadfinished" event to subscribe to
43 , arbitrary_revoke_timeout = 1000 * 40 // in ms
44 , revoke = function(file) {
45 var revoker = function() {
46 if (typeof file === "string") { // file is an object URL
47 get_URL().revokeObjectURL(file);
48 } else { // file is a File
49 file.remove();
50 }
51 };
52 setTimeout(revoker, arbitrary_revoke_timeout);
53 }
54 , dispatch = function(filesaver, event_types, event) {
55 event_types = [].concat(event_types);
56 var i = event_types.length;
57 while (i--) {
58 var listener = filesaver["on" + event_types[i]];
59 if (typeof listener === "function") {
60 try {
61 listener.call(filesaver, event || filesaver);
62 } catch (ex) {
63 throw_outside(ex);
64 }
65 }
66 }
67 }
68 , auto_bom = function(blob) {
69 // prepend BOM for UTF-8 XML and text/* types (including HTML)
70 // note: your browser will automatically convert UTF-16 U+FEFF to EF BB BF
71 if (/^\s*(?:text\/\S*|application\/xml|\S*\/\S*\+xml)\s*;.*charset\s*=\s*utf-8/i.test(blob.type)) {
72 return new Blob([String.fromCharCode(0xFEFF), blob], {type: blob.type});
73 }
74 return blob;
75 }
76 , FileSaver = function(blob, name, no_auto_bom) {
77 if (!no_auto_bom) {
78 blob = auto_bom(blob);
79 }
80 // First try a.download, then web filesystem, then object URLs
81 var
82 filesaver = this
83 , type = blob.type
84 , force = type === force_saveable_type
85 , object_url
86 , dispatch_all = function() {
87 dispatch(filesaver, "writestart progress write writeend".split(" "));
88 }
89 // on any filesys errors revert to saving with object URLs
90 , fs_error = function() {
91 if ((is_chrome_ios || (force && is_safari)) && view.FileReader) {
92 // Safari doesn't allow downloading of blob urls
93 var reader = new FileReader();
94 reader.onloadend = function() {
95 var url = is_chrome_ios ? reader.result : reader.result.replace(/^data:[^;]*;/, 'data:attachment/file;');
96 var popup = view.open(url, '_blank');
97 if(!popup) view.location.href = url;
98 url=undefined; // release reference before dispatching
99 filesaver.readyState = filesaver.DONE;
100 dispatch_all();
101 };
102 reader.readAsDataURL(blob);
103 filesaver.readyState = filesaver.INIT;
104 return;
105 }
106 // don't create more object URLs than needed
107 if (!object_url) {
108 object_url = get_URL().createObjectURL(blob);
109 }
110 if (force) {
111 view.location.href = object_url;
112 } else {
113 var opened = view.open(object_url, "_blank");
114 if (!opened) {
115 // Apple does not allow window.open, see
116 view.location.href = object_url;
117 }
118 }
119 filesaver.readyState = filesaver.DONE;
120 dispatch_all();
121 revoke(object_url);
122 }
123 ;
124 filesaver.readyState = filesaver.INIT;
125
126 if (can_use_save_link) {
127 object_url = get_URL().createObjectURL(blob);
128 setTimeout(function() {
129 save_link.href = object_url;
130 save_link.download = name;
131 click(save_link);
132 dispatch_all();
133 revoke(object_url);
134 filesaver.readyState = filesaver.DONE;
135 });
136 return;
137 }
138
139 fs_error();
140 }
141 , FS_proto = FileSaver.prototype
142 , saveAs = function(blob, name, no_auto_bom) {
143 return new FileSaver(blob, name || blob.name || "download", no_auto_bom);
144 }
145 ;
146 // IE 10+ (native saveAs)
147 if (typeof navigator !== "undefined" && navigator.msSaveOrOpenBlob) {
148 return function(blob, name, no_auto_bom) {
149 name = name || blob.name || "download";
150
151 if (!no_auto_bom) {
152 blob = auto_bom(blob);
153 }
154 return navigator.msSaveOrOpenBlob(blob, name);
155 };
156 }
157
158 FS_proto.abort = function(){};
159 FS_proto.readyState = FS_proto.INIT = 0;
160 FS_proto.WRITING = 1;
161 FS_proto.DONE = 2;
162
163 FS_proto.error =
164 FS_proto.onwritestart =
165 FS_proto.onprogress =
166 FS_proto.onwrite =
167 FS_proto.onabort =
168 FS_proto.onerror =
169 FS_proto.onwriteend =
170 null;
171
172 return saveAs;
173 }(
174 typeof self !== "undefined" && self
175 || typeof window !== "undefined" && window
176 || this.content
177 ));
178 // `self` is undefined in Firefox for Android content script context
179 // while `this` is nsIContentFrameMessageManager
180 // with an attribute `content` that corresponds to the window
181
182 if (typeof module !== "undefined" && module.exports) {
183 module.exports.saveAs = saveAs;
184 } else if ((typeof define !== "undefined" && define !== null) && (define.amd !== null)) {
185 define([], function() {
186 return saveAs;
187 });
188 }View Code
jquery.wordexport.js
1 if (typeof jQuery !== "undefined" && typeof saveAs !== "undefined") {
2 (function($) {
3 $.fn.wordExport = function(fileName) {
4 fileName = typeof fileName !== 'undefined' ? fileName : "jQuery-Word-Export";
5 var static = {
6 mhtml: {
7 top: "Mime-Version: 1.0\nContent-Base: " + location.href + "\nContent-Type: Multipart/related; boundary=\"NEXT.ITEM-BOUNDARY\";type=\"text/html\"\n\n--NEXT.ITEM-BOUNDARY\nContent-Type: text/html; charset=\"utf-8\"\nContent-Location: " + location.href + "\n\n<!DOCTYPE html>\n<html>\n_html_</html>",
8 head: "<head>\n<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">\n<style>\n_styles_\n</style>\n</head>\n",
9 body: "<body>_body_</body>"
10 }
11 };
12 var options = {
13 maxWidth: 624
14 };
15 // Clone selected element before manipulating it
16 var markup = $(this).clone();
17
18 // Remove hidden elements from the output
19 markup.each(function() {
20 var self = $(this);
21 if (self.is(':hidden'))
22 self.remove();
23 });
24
25 // Embed all images using Data URLs
26 var images = Array();
27 var img = markup.find('img');
28 for (var i = 0; i < img.length; i++) {
29 // Calculate dimensions of output image
30 var w = Math.min(img[i].width, options.maxWidth);
31 var h = img[i].height * (w / img[i].width);
32 // Create canvas for converting image to data URL
33 var canvas = document.createElement("CANVAS");
34 canvas.width = w;
35 canvas.height = h;
36 // Draw image to canvas
37 var context = canvas.getContext('2d');
38 context.drawImage(img[i], 0, 0, w, h);
39 // Get data URL encoding of image
40 var uri = canvas.toDataURL("image/png/jpg");
41 $(img[i]).attr("src", img[i].src);
42 img[i].width = w;
43 img[i].height = h;
44 // Save encoded image to array
45 images[i] = {
46 type: uri.substring(uri.indexOf(":") + 1, uri.indexOf(";")),
47 encoding: uri.substring(uri.indexOf(";") + 1, uri.indexOf(",")),
48 location: $(img[i]).attr("src"),
49 data: uri.substring(uri.indexOf(",") + 1)
50 };
51 }
52
53 // Prepare bottom of mhtml file with image data
54 var mhtmlBottom = "\n";
55 for (var i = 0; i < images.length; i++) {
56 mhtmlBottom += "--NEXT.ITEM-BOUNDARY\n";
57 mhtmlBottom += "Content-Location: " + images[i].location + "\n";
58 mhtmlBottom += "Content-Type: " + images[i].type + "\n";
59 mhtmlBottom += "Content-Transfer-Encoding: " + images[i].encoding + "\n\n";
60 mhtmlBottom += images[i].data + "\n\n";
61 }
62 mhtmlBottom += "--NEXT.ITEM-BOUNDARY--";
63
64 //TODO: load css from included stylesheet
65
66 //var styles=' /* Font Definitions */@font-face{font-family:宋体;panose-1:2 1 6 0 3 1 1 1 1 1;mso-font-alt:SimSun;mso-font-charset:134;mso-generic-font-family:auto;mso-font-pitch:variable;mso-font-signature:3 680460288 22 0 262145 0;} @font-face{font-family:"Cambria Math";panose-1:2 4 5 3 5 4 6 3 2 4;mso-font-charset:1;mso-generic-font-family:roman;mso-font-format:other;mso-font-pitch:variable;mso-font-signature:0 0 0 0 0 0;} @font-face{font-family:"\@宋体";panose-1:2 1 6 0 3 1 1 1 1 1;mso-font-charset:134;mso-generic-font-family:auto;mso-font-pitch:variable;mso-font-signature:3 680460288 22 0 262145 0;}/* Style Definitions */p.MsoNormal, li.MsoNormal, p.MsoNormal{mso-style-unhide:no;mso-style-qformat:yes;mso-style-parent:"";margin:0cm;margin-bottom:.0001pt;mso-pagination:widow-orphan;font-size:14.0pt;font-family:宋体;mso-bidi-font-family:宋体;}p.MsoHeader, li.MsoHeader, p.MsoHeader{mso-style-noshow:yes;mso-style-priority:99;mso-style-link:"页眉 Char";margin:0cm;margin-bottom:.0001pt;text-align:center;mso-pagination:widow-orphan;layout-grid-mode:char;font-size:9.0pt;font-family:宋体;mso-bidi-font-family:宋体;}p.MsoFooter, li.MsoFooter, p.MsoFooter{mso-style-noshow:yes;mso-style-priority:99;mso-style-link:"页脚 Char";margin:0cm;margin-bottom:.0001pt;mso-pagination:widow-orphan;layout-grid-mode:char;font-size:9.0pt;font-family:宋体;mso-bidi-font-family:宋体;}p.MsoAcetate, li.MsoAcetate, p.MsoAcetate{mso-style-noshow:yes;mso-style-priority:99;mso-style-link:"批注框文本 Char";margin:0cm;margin-bottom:.0001pt;mso-pagination:widow-orphan;font-size:9.0pt;font-family:宋体;mso-bidi-font-family:宋体;}span.Char{mso-style-name:"页眉 Char";mso-style-noshow:yes;mso-style-priority:99;mso-style-unhide:no;mso-style-locked:yes;mso-style-link:页眉;font-family:宋体;mso-ascii-font-family:宋体;mso-fareast-font-family:宋体;mso-hansi-font-family:宋体;}span.Char0{mso-style-name:"页脚 Char";mso-style-noshow:yes;mso-style-priority:99;mso-style-unhide:no;mso-style-locked:yes;mso-style-link:页脚;font-family:宋体;mso-ascii-font-family:宋体;mso-fareast-font-family:宋体;mso-hansi-font-family:宋体;}span.Char1{mso-style-name:"批注框文本 Char";mso-style-noshow:yes;mso-style-priority:99;mso-style-unhide:no;mso-style-locked:yes;mso-style-link:批注框文本;font-family:宋体;mso-ascii-font-family:宋体;mso-fareast-font-family:宋体;mso-hansi-font-family:宋体;}p.msochpdefault, li.msochpdefault, p.msochpdefault{mso-style-name:msochpdefault;mso-style-unhide:no;mso-margin-top-alt:auto;margin-right:0cm;mso-margin-bottom-alt:auto;margin-left:0cm;mso-pagination:widow-orphan;font-size:10.0pt;font-family:宋体;mso-bidi-font-family:宋体;}span.msonormal0{mso-style-name:msonormal;mso-style-unhide:no;}.MsoChpDefault{mso-style-type:export-only;mso-default-props:yes;font-size:10.0pt;mso-ansi-font-size:10.0pt;mso-bidi-font-size:10.0pt;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt;}/* Page Definitions */ @page WordSection1{size:595.3pt 841.9pt;margin:72.0pt 90.0pt 72.0pt 90.0pt;mso-header-margin:42.55pt;mso-footer-margin:49.6pt;mso-paper-source:0;}p.WordSection1{page:WordSection1;}';
67
68 var styles="";
69
70 // Aggregate parts of the file together
71 var fileContent = static.mhtml.top.replace("_html_", static.mhtml.head.replace("_styles_", styles) + static.mhtml.body.replace("_body_", markup.html())) + mhtmlBottom;
72
73 // Create a Blob with the file contents
74 var blob = new Blob([fileContent], {
75 type: "application/msword;charset=utf-8"
76 });
77 saveAs(blob, fileName + ".doc");
78 };
79 })(jQuery);
80 } else {
81 if (typeof jQuery === "undefined") {
82 console.error("jQuery Word Export: missing dependency (jQuery)");
83 }
84 if (typeof saveAs === "undefined") {
85 console.error("jQuery Word Export: missing dependency (FileSaver.js)");
86 }
87 }View Code
插件调用：
1 <!DOCTYPE html>
2 <html>
3 <head lang="en">
4 <meta charset="UTF-8">
5 <title>生成word文档</title>
6 </head>
7 <body lang=ZH-CN style='tab-interval:21.0pt'>
8 <p class="word">
9 <p align="center" style="font-size:20pt;font-weight:bold;">JS导出Word文档</p>
10 </p>
11 <input type="button" value="导出word">
12 <script src="https://cdn.bootcss.com/jquery/2.2.4/jquery.js?1.1.11"></script>
13 <script type="text/javascript" src="js/FileSaver.js?1.1.11"></script>
14 <script type="text/javascript" src="js/jquery.wordexport.js?1.1.11"></script>
15 <script>
16 $(function(){
17 $("input[type='button']").click(function(event) {
18 $(".word").wordExport('生成word文档');
19 });
20 })
21 </script>
22 </body>
23 </html>直接调用wordExport()接口就可以导出word文档，传的参数为导出的word文件名。
补充：
通过我们常规写的外联样式设置样式是无效的，通过个人的实践发现需要写内联样式才能生效，而单位也需要按照word的配置
单位pt设置。
而jquery.wordexport.js插件是要配置了个style样式让我们补充样式设置的：
但是个人实践了下，设置的样式却无法生效，只能通过内联设置才生效。
截图：
主要是通过js模板设置对应的标签，然后XDoc.to(baidu.template())导出word，而通过百度js模板引擎的好处是也可以导出PDF文件。
完整demo：
1 <!DOCTYPE html>
2 <html>
3 <head>
4 <meta charset="UTF-8">
5 <script type="text/javascript" src="www.xdocin.com/xdoc.js?1.1.11"></script>
6 <script type="text/javascript" src="http://www.xdocin.com/baiduTemplate.js?1.1.11"></script>
7 <style>
8 .head{
9 font-size: 29px;
10 display: block;
11 }
12 .content{
13 display: block;
14 }
15 </style>
16 </head>
17 <body>
18 <input type="button" onclick="gen('pdf')" value="生成PDF"/>
19 <input type="button" onclick="gen('docx')" value="生成Word"/>
20 <br/>
21 <script id="tmpl" type="text/html">
22 <xdoc version="A.3.0">
23 <body>
24 <para heading="1" lineSpacing="28">
25 <text class="head" valign="center" fontName="标宋" fontSize="29"><%=title%></text>
26 </para>
27 <para>
28 <img src="<%=img%>" sizeType="autosize"/>
29 </para>
30 <para lineSpacing="9">
31 <text class="content" fontName="仿宋" fontSize="18"><%=content%></text>
32 </para>
33 </body>
34 </xdoc>
35 </script>
36 <script src="https://cdn.bootcss.com/jquery/2.2.4/jquery.js?1.1.11"></script>
37 <script type="text/javascript">
38 var type="docx";//pdf
39 var data = {
40 title: "导出"+type+"文件",
41 img: "",
42 content: "我这样就可以导出"+type+"格式的文件了，是不是很方便",
43 };
44 function renderTemplate(){
45 var template=$("#tmpl").html();
46 var html=template.replace(/<%=title%>/,data.title)
47 .replace(/<%=img%>/,data.img)
48 .replace(/<%=content%>/,data.content);
49 $("body").append(html);
50 }
51 renderTemplate();
52 function gen(type) {
53 XDoc.to(baidu.template('tmpl', data), type, {}, "_blank");
54 }
55 console.log('');
56 </script>
57 </body>
58 </html>这里我通过renderTemplate函数叫js模板渲染到HTML中，实现了文本的展示和导出内容的结合。而因为这里导出的word文档是需要特别设置样式的，所以在页面样式展示下我们可以通过添加.class的方式设置。
附部分导出word文档样式设置：
截图：
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