优化

app/src/main/java/io/legado/app/ui/book/bookmark/AllBookmarkViewModel.kt

@@ -52,7 +52,7 @@ class AllBookmarkViewModel(application: Application) : BaseViewModel(application
                         author = it.bookAuthor
                         outputStream.write("## ${it.bookName} ${it.bookAuthor}\n\n".toByteArray())
                     }
-                    outputStream.write("#### ${it.chapterName}\n".toByteArray())
+                    outputStream.write("#### ${it.chapterName}\n\n".toByteArray())
                     outputStream.write("###### 原文\n ${it.bookText}\n\n".toByteArray())
                     outputStream.write("###### 摘要\n ${it.content}\n\n".toByteArray())
                 }

app/src/main/java/io/legado/app/ui/book/toc/TocActivity.kt

@@ -44,7 +44,10 @@ class TocActivity : VMBaseActivity<ActivityChapterListBinding, TocViewModel>(),
     private val waitDialog by lazy { WaitDialog(this) }
     private val exportDir = registerForActivityResult(HandleFileContract()) {
         it.uri?.let { uri ->
-            viewModel.saveBookmark(uri)
+            when (it.requestCode) {
+                1 -> viewModel.saveBookmark(uri)
+                2 -> viewModel.saveBookmarkMd(uri)
+            }
         }
     }
 
@@ -157,7 +160,13 @@ class TocActivity : VMBaseActivity<ActivityChapterListBinding, TocViewModel>(),
                 viewModel.chapterListCallBack?.upChapterList(searchView?.query?.toString())
             }
 
-            R.id.menu_export_bookmark -> exportDir.launch()
+            R.id.menu_export_bookmark -> exportDir.launch {
+                requestCode = 1
+            }
+
+            R.id.menu_export_md -> exportDir.launch {
+                requestCode = 2
+            }
 
             R.id.menu_log -> showDialogFragment<AppLogDialog>()
         }

app/src/main/java/io/legado/app/ui/book/toc/TocViewModel.kt

@@ -14,6 +14,7 @@ import io.legado.app.model.localBook.LocalBook
 import io.legado.app.utils.FileDoc
 import io.legado.app.utils.GSON
 import io.legado.app.utils.createFileIfNotExist
+import io.legado.app.utils.openOutputStream
 import io.legado.app.utils.toastOnUi
 import io.legado.app.utils.writeText
 
@@ -90,6 +91,30 @@ class TocViewModel(application: Application) : BaseViewModel(application) {
         }
     }
 
+    fun saveBookmarkMd(treeUri: Uri) {
+        execute {
+            val book = bookData.value
+                ?: throw NoStackTraceException(context.getString(R.string.no_book))
+            val fileName = "bookmark-${book.name} ${book.author}.md"
+            val treeDoc = FileDoc.fromUri(treeUri, true)
+            val fileDoc = treeDoc.createFileIfNotExist(fileName)
+                .openOutputStream()
+                .getOrThrow()
+            fileDoc.use { outputStream ->
+                outputStream.write("## ${book.name} ${book.author}\n\n".toByteArray())
+                appDb.bookmarkDao.getByBook(book.name, book.author).forEach {
+                    outputStream.write("#### ${it.chapterName}\n\n".toByteArray())
+                    outputStream.write("###### 原文\n ${it.bookText}\n\n".toByteArray())
+                    outputStream.write("###### 摘要\n ${it.content}\n\n".toByteArray())
+                }
+            }
+        }.onError {
+            AppLog.put("导出失败\n${it.localizedMessage}", it, true)
+        }.onSuccess {
+            context.toastOnUi("导出成功")
+        }
+    }
+
     interface ChapterListCallBack {
         fun upChapterList(searchKey: String?)
 

app/src/main/res/menu/book_toc.xml

@@ -53,6 +53,11 @@
             android:title="@string/export"
             app:showAsAction="never" />
 
+        <item
+            android:id="@+id/menu_export_md"
+            android:title="@string/export_md"
+            app:showAsAction="never" />
+
     </group>
 
     <item