读取连接字符串，联合使用 appsettings.json

monk8801 · Jun 23, 2018 · 7bf208d · 7bf208d
1 parent 860b59c
commit 7bf208d
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Showing 3 changed files with 66 additions and 4 deletions.
diff --git a/TestST/TestST.csproj b/TestST/TestST.csproj
@@ -27,4 +27,10 @@
     <ProjectReference Include="..\XCodeST\XCodeST.csproj" />
   </ItemGroup>
 
+  <ItemGroup>
+    <None Update="appsettings.json">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
 </Project>
diff --git a/TestST/appsettings.json b/TestST/appsettings.json
@@ -0,0 +1,28 @@
+{
+  "exclude": [
+    "**/bin",
+    "**/bower_components",
+    "**/jspm_packages",
+    "**/node_modules",
+    "**/obj",
+    "**/platforms"
+  ],
+  "ConnectionStrings": {
+    "SQLite": {
+      "connectionString": "Data Source=test.db;",
+      "providerName": "Sqlite"
+    },
+    "MySql": {
+      "connectionString": "Server=.;Port=3306;Database=mysql;Uid=root;Pwd=;",
+      "providerName": "MySql.Data.MySqlClient"
+    },
+    "MSSQL": {
+      "connectionString": "Server=.;User ID=sa;Password=sa;Database=Test;datapath=~\\App_Data",
+      "providerName": "System.Data.SqlClient"
+    },
+    "Oracle": {
+      "connectionString": "Data Source=Tcp://127.0.0.1/ORC;User ID=sys;Password=admin;Owner=mis",
+      "providerName": "System.Data.OracleClient"
+    }
+  }
+}
diff --git a/XCode/DataAccessLayer/DAL.cs b/XCode/DataAccessLayer/DAL.cs
@@ -10,6 +10,7 @@
 using NewLife;
 using NewLife.Log;
 using NewLife.Reflection;
+using NewLife.Serialization;
 using XCode.Code;
 
 namespace XCode.DataAccessLayer
@@ -124,6 +125,7 @@ public static Dictionary<String, String> ConnStrs
 
                     var file = "web.config".GetFullPath();
                     var fname = AppDomain.CurrentDomain.FriendlyName;
+                    if (!File.Exists(file)) file = "app.config".GetFullPath();
                     if (!File.Exists(file)) file = "{0}.config".F(fname).GetFullPath();
                     if (!File.Exists(file)) file = "{0}.exe.config".F(fname).GetFullPath();
                     if (!File.Exists(file)) file = "{0}.dll.config".F(fname).GetFullPath();
@@ -141,18 +143,44 @@ public static Dictionary<String, String> ConnStrs
                                 var name = item.Attributes["name"]?.Value;
                                 var connstr = item.Attributes["connectionString"]?.Value;
                                 var provider = item.Attributes["providerName"]?.Value;
-
                                 if (name.IsNullOrEmpty() || connstr.IsNullOrWhiteSpace()) continue;
-                                if (name.EqualIgnoreCase("LocalSqlServer", "LocalMySqlServer")) continue;
 
                                 var type = DbFactory.GetProviderType(connstr, provider);
                                 if (type == null) XTrace.WriteLine("无法识别{0}的提供者{1}！", name, provider);
 
-                                cs.Add(name, connstr);
-                                _connTypes.Add(name, type);
+                                cs[name] = connstr;
+                                _connTypes[name] = type;
                             }
                         }
                     }
+
+                    // 联合使用 appsettings.json
+                    file = "appsettings.json".GetFullPath();
+                    if (File.Exists(file))
+                    {
+                        var dic = new JsonParser(File.ReadAllText(file)).Decode() as IDictionary<String, Object>;
+                        dic = dic?["ConnectionStrings"] as IDictionary<String, Object>;
+                        if (dic != null && dic.Count > 0)
+                        {
+                            foreach (var item in dic)
+                            {
+                                var name = item.Key;
+                                var ds = item.Value as IDictionary<String, Object>;
+                                if (name.IsNullOrEmpty() || ds == null) continue;
+
+                                var connstr = ds["connectionString"] + "";
+                                var provider = ds["providerName"] + "";
+                                if (connstr.IsNullOrWhiteSpace()) continue;
+
+                                var type = DbFactory.GetProviderType(connstr, provider);
+                                if (type == null) XTrace.WriteLine("无法识别{0}的提供者{1}！", name, provider);
+
+                                cs[name] = connstr;
+                                _connTypes[name] = type;
+                            }
+                        }
+                    }
+
                     _connStrs = cs;
                 }
                 return _connStrs;