优化 #5186

app/src/main/java/io/legado/app/help/book/BookHelp.kt

@@ -3,6 +3,7 @@ package io.legado.app.help.book
 import android.graphics.BitmapFactory
 import android.os.ParcelFileDescriptor
 import androidx.documentfile.provider.DocumentFile
+import com.script.rhino.runScriptWithContext
 import io.legado.app.constant.AppLog
 import io.legado.app.constant.AppPattern
 import io.legado.app.constant.EventBus
@@ -28,7 +29,6 @@ import io.legado.app.utils.getFile
 import io.legado.app.utils.isContentScheme
 import io.legado.app.utils.onEachParallel
 import io.legado.app.utils.postEvent
-import com.script.rhino.runScriptWithContext
 import kotlinx.coroutines.Dispatchers.IO
 import kotlinx.coroutines.coroutineScope
 import kotlinx.coroutines.ensureActive
@@ -404,7 +404,11 @@ object BookHelp {
             bookChapter.getFileName()
         )
         if (file.exists()) {
-            return file.readText()
+            val string = file.readText()
+            if (string.isEmpty()) {
+                return null
+            }
+            return string
         }
         if (book.isLocal) {
             val string = LocalBook.getContent(book, bookChapter)

app/src/main/java/io/legado/app/model/localBook/LocalBook.kt

@@ -144,6 +144,9 @@ object LocalBook {
         val list = ArrayList(LinkedHashSet(chapters))
         list.forEachIndexed { index, bookChapter ->
             bookChapter.index = index
+            if (bookChapter.title.isEmpty()) {
+                bookChapter.title = "无标题章节"
+            }
         }
         val replaceRules = ContentProcessor.get(book).getTitleReplaceRules()
         book.durChapterTitle = list.getOrElse(book.durChapterIndex) { list.last() }
@@ -191,6 +194,11 @@ object LocalBook {
                 return StringEscapeUtils.unescapeHtml4(content)
             }
         }
+
+        if (content.isNullOrEmpty()) {
+            return null
+        }
+
         return content
     }
 

app/src/main/java/io/legado/app/ui/book/read/page/provider/TextChapterLayout.kt

@@ -214,9 +214,9 @@ class TextChapterLayout(
                     emptyContent = contents.isEmpty(),
                     isVolumeTitle = bookChapter.isVolume
                 )
+                pendingTextPage.lines.last().isParagraphEnd = true
+                stringBuilder.append("\n")
             }
-            pendingTextPage.lines.last().isParagraphEnd = true
-            stringBuilder.append("\n")
             durY += titleBottomSpacing
 
             // 如果是单图模式且当前页有内容，强制分页