添加assets 工具类

src/main/java/commons/stand/FileAssetsIoUtils.kt

+package commons.stand
+
+import android.content.Context
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+import java.io.InputStream
+
+/*****、获取assets文件内容*****/
+object FileAssetsIoUtils {
+
+    suspend fun getFileDate(context: Context, fileName: String): String {
+       return withContext(Dispatchers.IO){
+            val assetManager = context.assets
+            val inputStream: InputStream = assetManager.open(fileName)
+            // 方式1：手动逐行读取（推荐，Kotlin简洁写法）
+           val ret= inputStream.use { ins -> // use 自动关闭流（AutoCloseable）
+                val size = ins.available()
+                val bytes = ByteArray(size)
+                ins.read(bytes)
+                val str = String(bytes)
+                return@use str
+            }
+            return@withContext ret
+        }
+    }
+}
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