捕获数据库操作的所有异常

DownKyi.Core/Storage/Database/CoverDb.cs

@@ -103,6 +103,8 @@ namespace DownKyi.Core.Storage.Database
         {
             List<Cover> covers = new List<Cover>();
 
+            try
+            {
                 dbHelper.ExecuteQuery(sql, reader =>
                 {
                     while (reader.Read())
@@ -118,6 +120,13 @@ namespace DownKyi.Core.Storage.Database
                         covers.Add(cover);
                     }
                 });
+            }
+            catch (Exception e)
+            {
+                Utils.Debugging.Console.PrintLine("Query()发生异常: {0}", e);
+                LogManager.Error($"{tableName}", e);
+            }
+
             return covers;
         }
 

DownKyi.Core/Storage/Database/Download/DownloadDb.cs

@@ -14,7 +14,7 @@ namespace DownKyi.Core.Storage.Database.Download
         protected string tableName = "download";
 
 #if DEBUG
-        private readonly DbHelper dbHelper = new DbHelper(StorageManager.GetDownload().Replace(".db","_debug.db"));
+        private readonly DbHelper dbHelper = new DbHelper(StorageManager.GetDownload().Replace(".db", "_debug.db"));
 #else
         private readonly DbHelper dbHelper = new DbHelper(StorageManager.GetDownload(), key);
 #endif
@@ -32,6 +32,8 @@ namespace DownKyi.Core.Storage.Database.Download
         /// </summary>
         /// <param name="obj"></param>
         public void Insert(string uuid, object obj)
+        {
+            try
             {
                 // 定义一个流
                 Stream stream = new MemoryStream();
@@ -50,8 +52,6 @@ namespace DownKyi.Core.Storage.Database.Download
                 //关闭流
                 stream.Close();
 
-            try
-            {
                 string sql = $"insert into {tableName}(id, data) values (@id, @data)";
                 dbHelper.ExecuteNonQuery(sql, new Action<SQLiteParameterCollection>((para) =>
                 {
@@ -85,6 +85,8 @@ namespace DownKyi.Core.Storage.Database.Download
         }
 
         public void Update(string uuid, object obj)
+        {
+            try
             {
                 // 定义一个流
                 Stream stream = new MemoryStream();
@@ -103,8 +105,6 @@ namespace DownKyi.Core.Storage.Database.Download
                 //关闭流
                 stream.Close();
 
-            try
-            {
                 string sql = $"update {tableName} set data=@data where id glob @id";
                 dbHelper.ExecuteNonQuery(sql, new Action<SQLiteParameterCollection>((para) =>
                 {
@@ -160,6 +160,8 @@ namespace DownKyi.Core.Storage.Database.Download
         {
             Dictionary<string, object> objects = new Dictionary<string, object>();
 
+            try
+            {
                 dbHelper.ExecuteQuery(sql, reader =>
                 {
                     while (reader.Read())
@@ -176,6 +178,13 @@ namespace DownKyi.Core.Storage.Database.Download
                         objects.Add((string)reader["id"], obj);
                     }
                 });
+            }
+            catch (Exception e)
+            {
+                Utils.Debugging.Console.PrintLine("Query()发生异常: {0}", e);
+                LogManager.Error($"{tableName}", e);
+            }
+
             return objects;
         }
 

DownKyi.Core/Storage/Database/HeaderDb.cs

@@ -90,6 +90,8 @@ namespace DownKyi.Core.Storage.Database
         {
             List<Header> headers = new List<Header>();
 
+            try
+            {
                 dbHelper.ExecuteQuery(sql, reader =>
                 {
                     while (reader.Read())
@@ -104,6 +106,13 @@ namespace DownKyi.Core.Storage.Database
                         headers.Add(header);
                     }
                 });
+            }
+            catch (Exception e)
+            {
+                Utils.Debugging.Console.PrintLine("Query()发生异常: {0}", e);
+                LogManager.Error($"{tableName}", e);
+            }
+
             return headers;
         }