V1.2 新构架

2026-10-23 18:38:04 +08:00 · 2021-02-20 16:45:44 +08:00
parent c2d95a1833
commit 4d76decf73
343 changed files with 41333 additions and 4 deletions
@@ -0,0 +1,34 @@
+namespace System.Text
+{
+    public static class StringBuilderExtensions
+    {
+        internal static void AppendFormatLine(
+           Action<string, object?[]> appendFormat,
+           Action appendLine,
+           string format,
+           params object?[] args)
+        {
+            appendFormat(format, args);
+            appendLine();
+        }
+
+        internal static void AppendDateTimeNowLine(Action<string, object?[]> appendFormatLine, DateTime? now = null)
+        {
+            now ??= DateTime.Now;
+            AppendFormatLine("当前时间：{0}", now.Value.ToString(DateTimeFormat.Complete));
+            void AppendFormatLine(string format, params object[] args) => appendFormatLine(format, args);
+        }
+
+        public static StringBuilder AppendFormatLine(this StringBuilder sb, string format, params object?[] args)
+        {
+            AppendFormatLine((f, a) => sb.AppendFormat(f, a), () => sb.AppendLine(), format, args);
+            return sb;
+        }
+
+        public static StringBuilder AppendDateTimeNowLine(this StringBuilder sb, DateTime? now = null)
+        {
+            AppendDateTimeNowLine((format, args) => sb.AppendFormatLine(format, args), now);
+            return sb;
+        }
+    }
+}