first commit

Infrastructure/ConfigUtils.cs

@@ -0,0 +1,75 @@
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using System;
+
+/// <summary>
+/// 需要引用包
+/// Microsoft.Extensions.Configuration;
+/// Microsoft.Extensions.DependencyInjection;
+namespace Infrastructure
+{
+    public class ConfigUtils
+    {
+        #region 单例访问
+
+        static ConfigUtils()
+        {
+            Config = App.ServiceProvider.GetRequiredService<IConfiguration>();
+
+            if (Instance == null)
+                Instance = new ConfigUtils();
+        }
+
+        public static ConfigUtils Instance { get; private set; }
+        #endregion
+
+        private static IConfiguration Config { get; set; }
+
+        /// <summary>
+        /// 泛型读取配置文件
+        /// 目前还不能绑定到实体类
+        /// </summary>
+        /// <param name="defaultValue">获取不到配置文件设定默认值</param>
+        /// <param name="key">要获取的配置文件节点名称</param>
+        /// <returns></returns>
+        //public T GetConfig<T>(string key, T defaultValue = default)
+        //{
+        //    //GetValue扩展包需要安装Microsoft.Extensions.Configuration
+        //    var setting = Config.GetValue(key, defaultValue);
+
+        //    Console.WriteLine($"获取配置文件值key={key},value={setting}");
+        //    return setting;
+        //}
+
+        public T GetAppConfig<T>(string key, T defaultValue = default(T))
+        {
+            T setting = (T)Convert.ChangeType(Config[key], typeof(T));
+            var value = setting;
+            if (setting == null)
+                value = defaultValue;
+            //Console.WriteLine($"获取配置文件值key={key},value={value}");
+            return value;
+        }
+
+        /// <summary>
+        /// 获取配置文件 
+        /// </summary>
+        /// <param name="key">eg: WeChat:Token</param>
+        /// <returns></returns>
+        public string GetConfig(string key)
+        {
+            return Config[key];
+        }
+
+        /// <summary>
+        /// 获取数据库字符串连接串
+        /// </summary>
+        /// <param name="key"></param>
+        /// <returns></returns>
+        public string GetConnectionStrings(string key)
+        {
+            return Config.GetConnectionString(key);
+
+        }
+    }
+}