优化配置文件读取

AutoTurnOver.DB/Base/connectionHelper.cs

@@ -33,15 +33,16 @@ namespace AutoTurnOver.DB
                 }
                 else
                 {
-                    var environmentName = Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT");
-                    var configurationBuilder = new ConfigurationBuilder()
-                        .SetBasePath(Directory.GetCurrentDirectory())
-                        .AddJsonFile("appsettings.json", optional: true, reloadOnChange: true)
-                        .AddJsonFile($"appsettings.{environmentName}.json", true, reloadOnChange: true)
-                        .AddEnvironmentVariables();
-                    var configuration = configurationBuilder.Build();
+                    //var environmentName = Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT");
+                    //var configurationBuilder = new ConfigurationBuilder()
+                    //    .SetBasePath(Directory.GetCurrentDirectory())
+                    //    .AddJsonFile("appsettings.json", optional: true, reloadOnChange: true)
+                    //    .AddJsonFile($"appsettings.{environmentName}.json", true, reloadOnChange: true);
+                    //var configuration = configurationBuilder.Build();
 
-                    _connStr = configuration.GetConnectionString("Default");
+                    //_connStr = configuration.GetConnectionString("Default");
+
+                    _connStr = ConfigHelper.ConnectionString("Default");
                     return _connStr;
                 }
             }

AutoTurnOver.Utility/ConfigHelper.cs

@@ -8,11 +8,37 @@ namespace AutoTurnOver.Utility
 {
     public class ConfigHelper
     {
+        private static IConfigurationRoot _iConfigurationBuilder;
         public static string GetValue(string key)
         {
-            var builder = new ConfigurationBuilder().SetBasePath(Directory.GetCurrentDirectory()).AddJsonFile("appsettings.json");
-            var configurationRoot = builder.Build();
-            return configurationRoot.GetSection(key).Value;
+            if (_iConfigurationBuilder == null)
+            {
+                var environmentName = Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT");
+                var configurationBuilder = new ConfigurationBuilder()
+                .SetBasePath(Directory.GetCurrentDirectory())
+                .AddJsonFile("appsettings.json", optional: true, reloadOnChange: true)
+                .AddJsonFile($"appsettings.{environmentName}.json", true, reloadOnChange: true);
+                _iConfigurationBuilder = configurationBuilder.Build();
+
+            }
+            return _iConfigurationBuilder[key];
+        }
+
+        public static string ConnectionString(string key)
+        {
+
+            if (_iConfigurationBuilder == null)
+            {
+                var environmentName = Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT");
+                var configurationBuilder = new ConfigurationBuilder()
+                .SetBasePath(Directory.GetCurrentDirectory())
+                .AddJsonFile("appsettings.json", optional: true, reloadOnChange: true)
+                .AddJsonFile($"appsettings.{environmentName}.json", true, reloadOnChange: true);
+                _iConfigurationBuilder = configurationBuilder.Build();
+
+            }
+
+            return _iConfigurationBuilder.GetConnectionString(key);
         }
     }
 }