添加项目文件。

common/Tnb.Common/Extension/BooleanExtensions.cs

@@ -0,0 +1,52 @@
+using JNPF.DependencyInjection;
+
+namespace JNPF.Common.Extension;
+
+/// <summary>
+/// 布尔值<see cref="bool"/>类型的扩展辅助操作类.
+/// </summary>
+[SuppressSniffer]
+public static class BooleanExtensions
+{
+    /// <summary>
+    /// 把布尔值转换为小写字符串.
+    /// </summary>
+    /// <param name="value"></param>
+    public static string ToLower(this bool value)
+    {
+        return value.ToString().ToLower();
+    }
+
+    /// <summary>
+    /// 如果条件成立，则抛出异常.
+    /// </summary>
+    public static void TrueThrow(this bool flag, Exception exception)
+    {
+        if (flag)
+            throw exception;
+    }
+
+    /// <summary>
+    /// 获取布尔值.
+    /// </summary>
+    private static bool? GetBool(this object data)
+    {
+        switch (data.ToString().Trim().ToLower())
+        {
+            case "0":
+                return false;
+            case "1":
+                return true;
+            case "是":
+                return true;
+            case "否":
+                return false;
+            case "yes":
+                return true;
+            case "no":
+                return false;
+            default:
+                return null;
+        }
+    }
+}