基本ok

common.gradle

@@ -25,7 +25,7 @@ ext {
         return new Date().format("yyyy-MM-dd", TimeZone.getTimeZone("UTC"))
     }
 
-    genUpdateJson = { downloadUrl, releaseDir, apkFileName, defaultConfig, variant ->
+    genUpdateJson = { downloadUrl, releaseDir, apkFileName, logfile, defaultConfig, variant ->
         // 生成 update.json 文件，用于自动更新
         def releaseTime = releaseTime()
         def txtFile = new File(releaseDir, "update.json")
@@ -33,14 +33,15 @@ ext {
         def fileMd5 = ""
 
         // 读取 changelog，并提取最新版本的日志
-        def changeLogFile = new File(project.getProjectDir().path, "changelog.md")
+        def changeLogFile = new File(project.getProjectDir().path, logfile)
         def text = changeLogFile.text
-        def marker = "### 更新记录"
+        def marker = "#### 更新记录"
         def startIndex = text.indexOf(marker)
 
         if (startIndex != -1) {
             // 找到标记后，找到下一个空行
-            def endIndex = text.indexOf('\r\n\r\n', startIndex)
+            def endIndex = text.indexOf('### [', startIndex)
+
             if(endIndex == -1)
                 endIndex = text.length() - 1
 
@@ -48,7 +49,10 @@ ext {
                 // 截取内容并存储到变量B
                 def content = text.substring(startIndex + marker.length(), endIndex)
                 changeLog = content.trim()
-                changeLog = changeLog.replaceAll("\r\n", "\\\\n")
+                changeLog = changeLog
+                        .replaceAll("\r\n", "\\\\n")  // 处理 Windows 换行
+                        .replaceAll("\n", "\\\\n")    // 处理 Linux/macOS 换行
+                        .replaceAll("\r", "\\\\n")    // 处理旧版 macOS 换行
             }
         }
 
@@ -74,6 +78,13 @@ ext {
                 "  \"downloadUrl\": \"${downloadUrl}\"\n" +
                 "}"
     }
+
+    replaceText = {File file, String key, String value ->
+        def fileText = file.text
+        def regex = '\\$\\{' + key + '\\}'
+        fileText = (fileText =~ /${regex}/).replaceAll(value)
+        file.write(fileText)
+    }
 }
 
 // 自定义任务