:art: 支持合并子文档导出 Word/PDF https://github.com/siyuan-note/siyuan/issues/3219

app/appearance/langs/en_US.json

@@ -170,6 +170,7 @@
   "exportPDF3": "Page Scale",
   "exportPDF4": "Remove assets directory",
   "exportPDF5": "Keep folded",
+  "exportPDF6": "Fusionar subdocumentos",
   "upload": "Upload",
   "reminderTip": "The reminder time cannot be less than the current time",
   "wechatTip": "The content block will be sent to the cloud in clear text, and pushed through the WeChat MP template message when it expires",

app/appearance/langs/es_ES.json

@@ -674,6 +674,7 @@
   "export3": "Sólo texto de anclaje",
   "export4": "Notas a pie de página",
   "export5": "Ref. de anotación en PDF",
+  "export6": "Fusionar subdocumentos",
   "export6": "Sobre el manejo del texto ancla en las anotaciones PDF al exportar",
   "export7": "Nombre de archivo - Número de página - Texto ancla",
   "export8": "Sólo texto ancla",

app/appearance/langs/fr_FR.json

@@ -170,6 +170,7 @@
   "exportPDF3": "Échelle de page",
   "exportPDF4": "Supprimer le répertoire des actifs",
   "exportPDF5": "Garder plié",
+  "exportPDF6": "Fusionner les sous-documents",
   "upload": "Télécharger",
   "reminderTip": "The reminder time cannot be less than the current time",
   "wechatTip": "Le bloc de contenu sera envoyé au cloud en texte clair et transmis au message du modèle de compte officiel WeChat à son expiration.",

app/appearance/langs/zh_CHT.json

@@ -170,6 +170,7 @@
   "exportPDF3": "頁面縮放",
   "exportPDF4": "移除 assets 目錄",
   "exportPDF5": "保持折疊狀態",
+  "exportPDF6": "合併子文檔",
   "upload": "上傳",
   "reminderTip": "提醒時間不能小於當前時間",
   "wechatTip": "該內容塊將以明文形式發送到雲端，到期時通過微信公眾號模板消息進行推送",

app/appearance/langs/zh_CN.json

@@ -170,6 +170,7 @@
   "exportPDF3": "页面缩放",
   "exportPDF4": "移除 assets 目录",
   "exportPDF5": "保持折叠状态",
+  "exportPDF6": "合并子文档",
   "upload": "上传",
   "reminderTip": "提醒时间不能小于当前时间",
   "wechatTip": "该内容块将以明文形式发送到云端，到期时通过微信公众号模板消息进行推送",

app/src/protyle/export/index.ts

@@ -70,6 +70,7 @@ const renderPDF = (id: string) => {
         pageSize: "A4",
         removeAssets: true,
         keepFold: false,
+        mergeSubdocs: false,
     }));
     const servePath = window.location.protocol + "//" + window.location.host;
     const isDefault = (window.siyuan.config.appearance.mode === 1 && window.siyuan.config.appearance.themeDark === "midnight") || (window.siyuan.config.appearance.mode === 0 && window.siyuan.config.appearance.themeLight === "daylight");
@@ -204,6 +205,13 @@ const renderPDF = (id: string) => {
         <span class="fn__hr"></span>
         <input id="keepFold" class="b3-switch" type="checkbox" ${localData.keepFold ? "checked" : ""}>
     </label>
+    <label class="b3-label">
+        <div>
+            ${window.siyuan.languages.exportPDF6}
+        </div>
+        <span class="fn__hr"></span>
+        <input id="mergeSubdocs" class="b3-switch" type="checkbox" ${localData.mergeSubdocs ? "checked" : ""}>
+    </label>
     <div class="fn__flex">
       <div class="fn__flex-1"></div>
       <button class="b3-button b3-button--cancel">${window.siyuan.languages.cancel}</button>
@@ -316,6 +324,7 @@ const renderPDF = (id: string) => {
     fetchPost("/api/export/exportPreviewHTML", {
         id: "${id}",
         keepFold: ${localData.keepFold},
+        merge: ${localData.mergeSubdocs},
     }, response => {
         if (response.code === 1) {
             alert(response.msg)
@@ -359,10 +368,19 @@ const renderPDF = (id: string) => {
         const actionElement = document.getElementById('action');
         const keepFoldElement = actionElement.querySelector('#keepFold');
         keepFoldElement.addEventListener('change', () => {
-            previewElement.innerHTML = '<div class="fn__loading" style="left:0"><img width="48px" src="${servePath}/stage/loading-pure.svg"></div>'
+            refreshPreview();
+        });
+        const mergeSubdocsElement = actionElement.querySelector('#mergeSubdocs');
+        mergeSubdocsElement.addEventListener('change', () => {
+            refreshPreview();
+        });
+        
+        const refreshPreview = () => {
+          previewElement.innerHTML = '<div class="fn__loading" style="left:0"><img width="48px" src="${servePath}/stage/loading-pure.svg"></div>'
             fetchPost("/api/export/exportPreviewHTML", {
                 id: "${id}",
                 keepFold: keepFoldElement.checked,
+                merge: mergeSubdocsElement.checked,
             }, response2 => {
                 if (response2.code === 1) {
                     alert(response2.msg)
@@ -371,7 +389,8 @@ const renderPDF = (id: string) => {
                 setPadding();
                 renderPreview(response2.data.content);
             })
-        })
+        };
+        
         actionElement.querySelector("#scale").addEventListener("input", () => {
             actionElement.querySelector("#scaleTip").innerText = actionElement.querySelector("#scale").value;
         })
@@ -406,6 +425,7 @@ const renderPDF = (id: string) => {
                 pageSize: actionElement.querySelector("#pageSize").value,
               },
               keepFold: keepFoldElement.checked,
+              mergeSubdocs: mergeSubdocsElement.checked,
               removeAssets: actionElement.querySelector("#removeAssets").checked,
               rootId: "${id}",
               rootTitle: response.data.name,

app/src/util/onGetConfig.ts

@@ -374,7 +374,8 @@ const initWindow = () => {
             const msgId = showMessage(window.siyuan.languages.exporting, -1);
             localStorage.setItem(Constants.LOCAL_EXPORTPDF, JSON.stringify(Object.assign(ipcData.pdfOptions, {
                 removeAssets: ipcData.removeAssets,
-                keepFold: ipcData.keepFold
+                keepFold: ipcData.keepFold,
+                merge: ipcData.mergeSubdocs,
             })));
             try {
                 window.siyuan.printWin.webContents.printToPDF(ipcData.pdfOptions).then((pdfData) => {

kernel/model/export_merge.go

@@ -79,6 +79,11 @@ func loadTreeNodes(box string, p string, level int) (ret []*ast.Node, err error)
 	heading.AppendChild(&ast.Node{Type: ast.NodeText, Tokens: []byte(tree.Root.IALAttr("title"))})
 	tree.Root.PrependChild(heading)
 	for c := tree.Root.FirstChild; nil != c; c = c.Next {
+		if ast.NodeParagraph == c.Type && nil == c.FirstChild {
+			// 剔除空段落
+			continue
+		}
+
 		ret = append(ret, c)
 	}
 	return