From 665a9cc9e5e4fa5d584fc03e6e95b248a86f571c Mon Sep 17 00:00:00 2001 From: augushong Date: Sun, 17 May 2026 13:25:58 +0800 Subject: [PATCH] =?UTF-8?q?refactor(typesetting):=20=E6=9B=BF=E6=8D=A2html?= =?UTF-8?q?2canvas=E4=B8=BASnapDOM=20v2.12.0=20-=20=E8=A7=A3=E5=86=B3?= =?UTF-8?q?=E6=B8=B2=E6=9F=93=E4=B8=8D=E4=B8=80=E8=87=B4=E9=97=AE=E9=A2=98?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit - 新增 public/static/lib/snapdom/snapdom.js (IIFE构建) - phone_image.html script引用从html2canvas改为snapdom - phone-image.js 3处截图调用全部替换为snapdom.toCanvas() - capturePageViaHtml2Canvas (分页截图) - 长图生成 (scale:2) - 导出单页 (scale:2) - API映射: html2canvas(elem,{scale,useCORS,width,height,logging}) -> snapdom.toCanvas(elem,{scale,backgroundColor}) - 返回值兼容: Promise 下游toDataURL不受影响 - 保留html2canvas目录不删除(output.html仍引用) --- public/static/js/phone-image.js | 39 +++++++++------------------- public/static/lib/snapdom/snapdom.js | 14 ++++++++++ view/admin/post/phone_image.html | 2 +- 3 files changed, 27 insertions(+), 28 deletions(-) create mode 100644 public/static/lib/snapdom/snapdom.js diff --git a/public/static/js/phone-image.js b/public/static/js/phone-image.js index 7f07701..dd8c48f 100644 --- a/public/static/js/phone-image.js +++ b/public/static/js/phone-image.js @@ -81,9 +81,9 @@ var PhoneImageLogPanel = (function () { * PhoneImageEngine - 手机图片排版引擎 * * 将文章HTML内容自动分页并渲染为手机尺寸图片 - * 依赖: jQuery, html2canvas (项目已有) + * 依赖: jQuery, SnapDOM (项目已有) * - * 渲染宽度540px, html2canvas scale=2 输出1080px + * 渲染宽度540px, SnapDOM scale=2 输出1080px * 小红书: 540x720 (输出1080x1440) * 抖音: 540x960 (输出1080x1920) */ @@ -1111,7 +1111,7 @@ var PhoneImageEngine = (function () { /** * 共享截图核心逻辑 - 将pages渲染到staging并逐页截图 * @param {Object} opts - { scale, outputCanvas, quality, sizeConfig } - * scale: html2canvas缩放 (1=缩略图, 2=保存) + * scale: SnapDOM缩放 (1=缩略图, 2=保存) * outputCanvas: true=输出canvas对象, false=输出dataURL字符串 * quality: JPEG质量 (0-1) * sizeConfig: 尺寸配置(用于纯图片页canvas渲染) @@ -1142,7 +1142,7 @@ var PhoneImageEngine = (function () { // 字体加载失败不影响截图，继续执行 }).then(function () { requestAnimationFrame(function () { - // html2canvas会跳过visibility:hidden的元素，临时切换为可见 + // SnapDOM会跳过visibility:hidden的元素，临时切换为可见 $staging.css({ visibility: 'visible' }); // 表格和代码块已在中间栏中转为图片，无需再次转换 runCaptureLoop($staging, opts, deferred, pageProgressCallback); @@ -1197,7 +1197,7 @@ var PhoneImageEngine = (function () { idx++; captureNext(); }).catch(function () { - // 加载失败，回退到html2canvas + // 加载失败，回退到SnapDOM截图 capturePageViaHtml2Canvas($elem, $staging, opts, results, deferred, function () { if (opts.streaming && opts.onPageReady) opts.onPageReady(results[results.length - 1], idx); if (pageProgressCallback) pageProgressCallback(idx + 1, total); idx++; captureNext(); }); }); return; @@ -1220,16 +1220,12 @@ var PhoneImageEngine = (function () { } /** - * 用html2canvas截图单页 + * 用SnapDOM截图单页 */ function capturePageViaHtml2Canvas($elem, $staging, opts, results, deferred, onDone) { - html2canvas($elem[0], { + snapdom.toCanvas($elem[0], { scale: opts.scale, - useCORS: true, - backgroundColor: '#ffffff', - width: $elem.outerWidth(), - height: $elem.outerHeight(), - logging: false + backgroundColor: '#ffffff' }).then(function (canvas) { if (opts.outputCanvas) { results.push(canvas); @@ -1574,13 +1570,9 @@ var PhoneImageEngine = (function () { $('body').append($container); requestAnimationFrame(function () { - html2canvas($container[0], { + snapdom.toCanvas($container[0], { scale: 2, - useCORS: true, - backgroundColor: '#ffffff', - width: $container.outerWidth(), - height: $container[0].scrollHeight, - logging: false + backgroundColor: '#ffffff' }).then(function (canvas) { $container.remove(); // 使用JPEG压缩减少体积 @@ -1643,16 +1635,9 @@ var PhoneImageEngine = (function () { $('body').append($container); requestAnimationFrame(function () { - var width = $container.outerWidth(); - var height = $container[0].scrollHeight; - - html2canvas($container[0], { + snapdom.toCanvas($container[0], { scale: 2, - useCORS: true, - backgroundColor: '#ffffff', - width: width, - height: height, - logging: false + backgroundColor: '#ffffff' }).then(function (canvas) { $container.remove(); var link = document.createElement('a'); diff --git a/public/static/lib/snapdom/snapdom.js b/public/static/lib/snapdom/snapdom.js new file mode 100644 index 0000000..8db0c3e --- /dev/null +++ b/public/static/lib/snapdom/snapdom.js @@ -0,0 +1,14 @@ +/* +* SnapDOM +* v2.12.0 +* Author: Juan Martin Muda +* License: MIT +*/ +var Tr=Object.defineProperty;var j=(t,e)=>()=>(t&&(e=t(t=0)),e);var Rt=(t,e)=>{for(var n in e)Tr(t,n,{get:e[n],enumerable:!0})};function qe(t){if(t===!0)return"soft";if(t===!1)return"disabled";if(typeof t=="string"){let e=t.toLowerCase().trim();if(e==="auto")return"auto";if(e==="full")return"full";if(e==="soft"||e==="disabled")return e}return"soft"}function jt(t="soft"){switch(C.session.__counterEpoch=(C.session.__counterEpoch||0)+1,t){case"auto":{C.session.styleMap=new Map,C.session.nodeMap=new 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