统一归档20260319

CS/lab11/11_4/11_4.slnx

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+<Solution>
+  <Project Path="11_4/11_4.csproj" />
+</Solution>

CS/lab11/11_4/11_4/11_4.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net10.0</TargetFramework>
+    <RootNamespace>_11_4</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

CS/lab11/11_4/11_4/Program.cs

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+namespace _11_4
+{
+    internal class Program
+    {
+        static void Main(string[] args)
+        {
+            const string FILE_NAME = "output.txt";
+            using (StreamWriter sw = new StreamWriter(FILE_NAME))
+            {
+                sw.WriteLine("---------------------");
+                sw.WriteLine("文本文件读取写入示例");
+                sw.WriteLine("---------------------");
+                sw.WriteLine("写入整数、浮点数、bool值、字符、字符串、日期");
+                Console.WriteLine("请输入一个整数");
+                int i = int.Parse(Console.ReadLine());
+                sw.WriteLine(i);
+                Console.WriteLine("写入一个浮点数");
+                double j = double.Parse(Console.ReadLine());
+                sw.WriteLine(j);
+                Console.WriteLine("写入一个bool值");
+                bool k = bool.Parse(Console.ReadLine());
+                sw.WriteLine(k);
+                Console.WriteLine("写入一个字符");
+                char a = char.Parse(Console.ReadLine());
+                sw.WriteLine(k);
+                Console.WriteLine("写入字符串");
+                string b = Console.ReadLine();
+                sw.WriteLine(b);
+                Console.WriteLine("写入当前日期");
+                sw.WriteLine(DateTime.Now);
+            }
+        }
+    }
+}