commit c85cd1b73f08888b9cd205fd1f16e960aeedcefa
Author: falcon <9504402@qq.com>
Date:   Wed Jun 8 17:14:54 2022 +0800

    init

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..d835901
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,316 @@
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+
+HealthRecords/Web.config
+
+HealthRecords/MyLog/
+
+HealthRecords/Logs/
+
+# User-specific files
+*.suo
+*.user
+*.csproj.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+bld/
+# [Bb]in/
+[Oo]bj/
+[Ll]og/
+
+#以为以上没有排除bin文件，以下添加bin目录下可以排除的文件
+#Build results contain all files in bin folder but some files can ignore ,list them down.
+HealthRecords/bin/HealthRecords.dll
+HealthRecords/bin/ggwsDbDal.dll
+HealthRecords/bin/ggwsDbModel.dll
+HealthRecords/bin/Framework.dll
+HealthRecords/bin/ggwsDbDal.dll
+HealthRecords/bin/ggwsDbModel.dll
+HealthRecords/bin/BLL.dll
+HealthRecords/bin/DALFactory.dll
+HealthRecords/bin/Framework.dll
+HealthRecords/bin/SQLServerDAL.dll
+HealthRecords/bin/Model.dll
+HealthRecords/bin/IDAL.dll
+HealthRecords/bin/DBUtility.dll
+HealthRecords/bin/HealthRecords.XmlSerializers.dll
+HealthRecords/bin/HealthRecords.dll.config
+HealthRecords/bin/ADODB.dll
+HealthRecords/bin/Microsoft.Build.Utilities.v3.5.dll
+HealthRecords/bin/System.Net.Http.Formatting.dll
+HealthRecords/bin/System.Net.Http.Formatting.xml
+HealthRecords/bin/System.Web.Http.WebHost.dll
+HealthRecords/bin/System.Web.Http.WebHost.xml
+HealthRecords/bin/System.Web.Http.dll
+HealthRecords/bin/System.Web.Http.xml
+HealthRecords/Web.config
+
+# Visual Studio 2015 cache/options directory
+.vs/
+/.vs
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUNIT
+*.VisualState.xml
+TestResult.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# DNX
+project.lock.json
+project.fragment.lock.json
+artifacts/
+
+*_i.c
+*_p.c
+*_i.h
+*.ilk
+*.meta
+*.obj
+*.pch
+*.pdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# JustCode is a .NET coding add-in
+.JustCode
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# TODO: Comment the next line if you want to checkin your web deploy settings
+# but database connection strings (with potential passwords) will be unencrypted
+#*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+# The packages folder can be ignored because of Package Restore
+**/packages/*
+# except build/, which is used as an MSBuild target.
+!**/packages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/packages/repositories.config
+# NuGet v3's project.json files produces more ignoreable files
+*.nuget.props
+*.nuget.targets
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.jfm
+*.pfx
+*.publishsettings
+node_modules/
+orleans.codegen.cs
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# SQL Server files
+*.mdf
+*.ldf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# JetBrains Rider
+.idea/
+*.sln.iml
+
+# CodeRush
+.cr/
+
+# Python Tools for Visual Studio (PTVS)
+__pycache__/
+*.pyc
+/HealthRecords/bin/app.publish
+/HealthRecords/Properties/PublishProfiles/FolderProfile.pubxml
+/hooks
+/lfs/objects
+/HealthRecords/bin/zh-Hans/System.Web.WebPages.resources.dll
+/HealthRecords/bin/zh-Hans/System.Web.WebPages.Razor.resources.dll
+/HealthRecords/bin/zh-Hans/System.Web.WebPages.Deployment.resources.dll
+/HealthRecords/bin/zh-Hans/System.Web.Razor.resources.dll
+/HealthRecords/bin/zh-Hans/System.Web.Helpers.resources.dll
+/HealthRecords/bin/ggwsDbCache.dll
+/HealthRecords/bin/System.Threading.Tasks.Extensions.dll
+/HealthRecords/bin/System.Runtime.CompilerServices.Unsafe.dll
+/HealthRecords/bin/System.Numerics.Vectors.dll
+/HealthRecords/bin/System.Memory.dll
+/HealthRecords/bin/System.Buffers.dll
+/HealthRecords/bin/Microsoft.Extensions.Primitives.dll
+/HealthRecords/bin/Microsoft.Extensions.Options.dll
+/HealthRecords/bin/Microsoft.Extensions.Logging.Abstractions.dll
+/HealthRecords/bin/Microsoft.Extensions.DependencyInjection.Abstractions.dll
+/HealthRecords/bin/Microsoft.Extensions.Caching.Memory.dll
+/HealthRecords/bin/Microsoft.Extensions.Caching.Abstractions.dll
+/HealthRecords/bin/Microsoft.Bcl.AsyncInterfaces.dll
diff --git a/README.MD b/README.MD
new file mode 100644
index 0000000..7e4e080
--- /dev/null
+++ b/README.MD
@@ -0,0 +1,3 @@
+设置系统时间。
+
+仅用于Windows 系统
\ No newline at end of file
diff --git a/SetLocalTime.sln b/SetLocalTime.sln
new file mode 100644
index 0000000..5b33f01
--- /dev/null
+++ b/SetLocalTime.sln
@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.2.32526.322
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SetLocalTime", "SetLocalTime\SetLocalTime.csproj", "{9F85A43D-5AFC-4D02-8518-5931D8A13659}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{9F85A43D-5AFC-4D02-8518-5931D8A13659}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{9F85A43D-5AFC-4D02-8518-5931D8A13659}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{9F85A43D-5AFC-4D02-8518-5931D8A13659}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{9F85A43D-5AFC-4D02-8518-5931D8A13659}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {1591D614-5B60-4BBB-938C-FE2135C55527}
+	EndGlobalSection
+EndGlobal
diff --git a/SetLocalTime/Program.cs b/SetLocalTime/Program.cs
new file mode 100644
index 0000000..d3a3d57
--- /dev/null
+++ b/SetLocalTime/Program.cs
@@ -0,0 +1,16 @@
+// See https://aka.ms/new-console-template for more information
+using SetLocalTime;
+
+Console.WriteLine("Hello, World!");
+
+var now = DateTime.Now;
+Console.WriteLine($"now time:{now.ToString()}");
+var time = now.AddYears(-2);
+Console.WriteLine($"set time:{time.ToString()}");
+
+if (!WindowsSystemTime.SetLocalDateTime(time)) {
+    Console.WriteLine($"Set localTime fail！");
+}
+
+now = DateTime.Now;
+Console.WriteLine($"now time:{now.ToString()}");
\ No newline at end of file
diff --git a/SetLocalTime/SetLocalTime.csproj b/SetLocalTime/SetLocalTime.csproj
new file mode 100644
index 0000000..40c60dd
--- /dev/null
+++ b/SetLocalTime/SetLocalTime.csproj
@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
diff --git a/SetLocalTime/WindowsSystemTime.cs b/SetLocalTime/WindowsSystemTime.cs
new file mode 100644
index 0000000..9dc7d0b
--- /dev/null
+++ b/SetLocalTime/WindowsSystemTime.cs
@@ -0,0 +1,43 @@
+using System.Runtime.InteropServices;
+
+namespace SetLocalTime
+{
+
+    public static class WindowsSystemTime
+    {
+        [StructLayout(LayoutKind.Sequential)]
+        private struct Systemtime
+        {
+            public short year;
+            public short month;
+            public short dayOfWeek;
+            public short day;
+            public short hour;
+            public short minute;
+            public short second;
+            public short milliseconds;
+        }
+
+        [DllImport("kernel32.dll")]
+        private static extern bool SetLocalTime(ref Systemtime time);
+
+        /// <summary>
+        /// 设置系统时间
+        /// </summary>
+        /// <param name="dt">需要设置的时间</param>
+        /// <returns>返回系统时间设置状态，true为成功，false为失败</returns>
+        public static bool SetLocalDateTime(DateTime dt) {
+            Systemtime st;
+            st.year = (short)dt.Year;
+            st.month = (short)dt.Month;
+            st.dayOfWeek = (short)dt.DayOfWeek;
+            st.day = (short)dt.Day;
+            st.hour = (short)dt.Hour;
+            st.minute = (short)dt.Minute;
+            st.second = (short)dt.Second;
+            st.milliseconds = (short)dt.Millisecond;
+            bool rt = SetLocalTime(ref st);
+            return rt;
+        }
+    }
+}