diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000000000000000000000000000000000000..1ff0c423042b46cb1d617b81efb715defbe8054d
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,63 @@
+###############################################################################
+# Set default behavior to automatically normalize line endings.
+###############################################################################
+* text=auto
+
+###############################################################################
+# Set default behavior for command prompt diff.
+#
+# This is need for earlier builds of msysgit that does not have it on by
+# default for csharp files.
+# Note: This is only used by command line
+###############################################################################
+#*.cs diff=csharp
+
+###############################################################################
+# Set the merge driver for project and solution files
+#
+# Merging from the command prompt will add diff markers to the files if there
+# are conflicts (Merging from VS is not affected by the settings below, in VS
+# the diff markers are never inserted). Diff markers may cause the following
+# file extensions to fail to load in VS. An alternative would be to treat
+# these files as binary and thus will always conflict and require user
+# intervention with every merge. To do so, just uncomment the entries below
+###############################################################################
+#*.sln merge=binary
+#*.csproj merge=binary
+#*.vbproj merge=binary
+#*.vcxproj merge=binary
+#*.vcproj merge=binary
+#*.dbproj merge=binary
+#*.fsproj merge=binary
+#*.lsproj merge=binary
+#*.wixproj merge=binary
+#*.modelproj merge=binary
+#*.sqlproj merge=binary
+#*.wwaproj merge=binary
+
+###############################################################################
+# behavior for image files
+#
+# image files are treated as binary by default.
+###############################################################################
+#*.jpg binary
+#*.png binary
+#*.gif binary
+
+###############################################################################
+# diff behavior for common document formats
+#
+# Convert binary document formats to text before diffing them. This feature
+# is only available from the command line. Turn it on by uncommenting the
+# entries below.
+###############################################################################
+#*.doc diff=astextplain
+#*.DOC diff=astextplain
+#*.docx diff=astextplain
+#*.DOCX diff=astextplain
+#*.dot diff=astextplain
+#*.DOT diff=astextplain
+#*.pdf diff=astextplain
+#*.PDF diff=astextplain
+#*.rtf diff=astextplain
+#*.RTF diff=astextplain
diff --git "a/\346\236\227\350\267\203\345\275\254/ConsoleApp1.sln" "b/\346\236\227\350\267\203\345\275\254/ConsoleApp1.sln"
new file mode 100644
index 0000000000000000000000000000000000000000..d4c78f3b83e0201dab5c9e770da15efa65970de1
--- /dev/null
+++ "b/\346\236\227\350\267\203\345\275\254/ConsoleApp1.sln"
@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+VisualStudioVersion = 15.0.28307.1082
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ConsoleApp1", "ConsoleApp1\ConsoleApp1.csproj", "{DAEEAC5F-1685-441C-8757-E387DE356C3F}"
+EndProject
+Global
+ GlobalSection(SolutionConfigurationPlatforms) = preSolution
+ Debug|Any CPU = Debug|Any CPU
+ Release|Any CPU = Release|Any CPU
+ EndGlobalSection
+ GlobalSection(ProjectConfigurationPlatforms) = postSolution
+ {DAEEAC5F-1685-441C-8757-E387DE356C3F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {DAEEAC5F-1685-441C-8757-E387DE356C3F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {DAEEAC5F-1685-441C-8757-E387DE356C3F}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {DAEEAC5F-1685-441C-8757-E387DE356C3F}.Release|Any CPU.Build.0 = Release|Any CPU
+ EndGlobalSection
+ GlobalSection(SolutionProperties) = preSolution
+ HideSolutionNode = FALSE
+ EndGlobalSection
+ GlobalSection(ExtensibilityGlobals) = postSolution
+ SolutionGuid = {77EF1B5C-92B8-4D29-96B5-3EBB4BA7D648}
+ EndGlobalSection
+EndGlobal
diff --git "a/\346\236\227\350\267\203\345\275\254/ConsoleApp1/App.config" "b/\346\236\227\350\267\203\345\275\254/ConsoleApp1/App.config"
new file mode 100644
index 0000000000000000000000000000000000000000..731f6de6c291e303814b02808f34140fe560e8e4
--- /dev/null
+++ "b/\346\236\227\350\267\203\345\275\254/ConsoleApp1/App.config"
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git "a/\346\236\227\350\267\203\345\275\254/ConsoleApp1/ConsoleApp1.csproj" "b/\346\236\227\350\267\203\345\275\254/ConsoleApp1/ConsoleApp1.csproj"
new file mode 100644
index 0000000000000000000000000000000000000000..895dcd007b6129789f8e802f54939d6a5babb0c8
--- /dev/null
+++ "b/\346\236\227\350\267\203\345\275\254/ConsoleApp1/ConsoleApp1.csproj"
@@ -0,0 +1,53 @@
+
+
+
+
+ Debug
+ AnyCPU
+ {DAEEAC5F-1685-441C-8757-E387DE356C3F}
+ Exe
+ ConsoleApp1
+ ConsoleApp1
+ v4.6.1
+ 512
+ true
+ true
+
+
+ AnyCPU
+ true
+ full
+ false
+ bin\Debug\
+ DEBUG;TRACE
+ prompt
+ 4
+
+
+ AnyCPU
+ pdbonly
+ true
+ bin\Release\
+ TRACE
+ prompt
+ 4
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git "a/\346\236\227\350\267\203\345\275\254/ConsoleApp1/Program.cs" "b/\346\236\227\350\267\203\345\275\254/ConsoleApp1/Program.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..3807eaeee48a1b7925a65557c3f9e2940af23a5d
--- /dev/null
+++ "b/\346\236\227\350\267\203\345\275\254/ConsoleApp1/Program.cs"
@@ -0,0 +1,47 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConsoleApp1
+{
+ class Program
+ {
+ static void Main(string[] args)
+ {
+ SortedList bus = new SortedList();
+ bus.Add(1, "哈哈哈");
+ bus.Add(2, "急急急");
+ bus.Add(3, "酷酷酷");
+ bus.Add(4, "啦啦啦");
+
+ Console.WriteLine("请输入你的号数：");
+ int id = int.Parse(Console.ReadLine());
+ bool resd = bus.ContainsKey(id); //判断是否包含特定值
+
+ if (resd)
+ {
+ Console.WriteLine("名字是：{0}", bus[id].ToString());
+ }
+ else
+ {
+ Console.WriteLine("输入错误哦~");
+ }
+
+ Console.WriteLine("");
+ foreach (DictionaryEntry d in bus) //遍历
+ {
+ int key = (int)d.Key;
+ string value = d.Value.ToString();
+ Console.WriteLine("号数为{0}名字为{1}", key, value);
+ }
+
+
+ }
+ }
+
+
+
+}
diff --git "a/\346\236\227\350\267\203\345\275\254/ConsoleApp1/Properties/AssemblyInfo.cs" "b/\346\236\227\350\267\203\345\275\254/ConsoleApp1/Properties/AssemblyInfo.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..8f358deb86b22da02a80eeb523ec789bf9256f6a
--- /dev/null
+++ "b/\346\236\227\350\267\203\345\275\254/ConsoleApp1/Properties/AssemblyInfo.cs"
@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// 有关程序集的一般信息由以下
+// 控制。更改这些特性值可修改
+// 与程序集关联的信息。
+[assembly: AssemblyTitle("ConsoleApp1")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("ConsoleApp1")]
+[assembly: AssemblyCopyright("Copyright © 2020")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// 将 ComVisible 设置为 false 会使此程序集中的类型
+//对 COM 组件不可见。如果需要从 COM 访问此程序集中的类型
+//请将此类型的 ComVisible 特性设置为 true。
+[assembly: ComVisible(false)]
+
+// 如果此项目向 COM 公开，则下列 GUID 用于类型库的 ID
+[assembly: Guid("daeeac5f-1685-441c-8757-e387de356c3f")]
+
+// 程序集的版本信息由下列四个值组成:
+//
+// 主版本
+// 次版本
+// 生成号
+// 修订号
+//
+// 可以指定所有值，也可以使用以下所示的 "*" 预置版本号和修订号
+// 方法是按如下所示使用“*”: :
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]