.NET Core 2.1 终于发布了, 赶紧升级一下。
一. 安装SDK
首先现在并安装 SDK(64-bit)
安装完毕后如果新建项目可以看到已经有2.1的选项了
二. 更新现有2.0项目到2.1
1. 修改 项目版本
右键点击解决方案管理器中的项目, 选择编辑项目名.csproj
将 <TargetFramework>netcoreapp2.0</TargetFramework> 中的2.0改为2.1,保存。
2. 将引用 Microsoft.AspNetCore.All 替换为 Microsoft.AspNetCore.App
项目依赖中找到 Microsoft.AspNetCore.All ,移除它, 在Nugget中搜索并安装 Microsoft.AspNetCore.App
注意:以下内容依旧包含在 Microsoft.AspNetCore.All 中, 而 Microsoft.AspNetCore.App 中不存在
-
Microsoft.AspNetCore.ApplicationInsights.HostingStartup
-
Microsoft.AspNetCore.AzureAppServices.HostingStartup
-
Microsoft.AspNetCore.AzureAppServicesIntegration
-
Microsoft.AspNetCore.DataProtection.AzureKeyVault
-
Microsoft.AspNetCore.DataProtection.AzureStorage
-
Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv
-
Microsoft.AspNetCore.SignalR.Redis
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Microsoft.Data.Sqlite
-
Microsoft.Data.Sqlite.Core
-
Microsoft.EntityFrameworkCore.Sqlite
-
Microsoft.EntityFrameworkCore.Sqlite.Core
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Microsoft.Extensions.Caching.Redis
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Microsoft.Extensions.Configuration.AzureKeyVault
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Microsoft.Extensions.Logging.AzureAppServices
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Microsoft.VisualStudio.Web.BrowserLink
所以如果项目中需要用到这些内容, 可以单独引用它们, 而不建议再次整体引用 Microsoft.AspNetCore.All
3. 修改其他引用
再次打开*.csproj文件, 可以看到对应的 Microsoft.AspNetCore.All 已经替换为Microsoft.AspNetCore.App 了
删除各种 <DotNetCliToolReference Include="********" Version="2.0.3" />
例如: <DotNetCliToolReference Include="Microsoft.EntityFrameworkCore.Tools.DotNet" Version="2.0.3" />
最终这个*.csproj文件类似这样
<Project Sdk="Microsoft.NET.Sdk.Web">
<PropertyGroup>
<TargetFramework>netcoreapp2.1</TargetFramework>
<UserSecretsId>aspnet-{Project Name}-{GUID}</UserSecretsId>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Microsoft.AspNetCore.App" />
<PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="2.1.0" PrivateAssets="All" />
</ItemGroup>
</Project>
4.修改Program.cs
修改Main方法和BuildWebHost方法, 结果如下
public class Program
{
public static void Main(string[] args)
{
CreateWebHostBuilder(args).Build().Run();
}
public static IWebHostBuilder CreateWebHostBuilder(string[] args) =>
WebHost.CreateDefaultBuilder(args)
.UseStartup<Startup>();
}
5. 修改Startup
修改后代码示例如下, 主要是新增行,删除UseBrowserLink, 见下文代码的颜色标注
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
namespace WebApp1
{
public class Startup
{
public Startup(IConfiguration configuration)
{
Configuration = configuration;
}
public IConfiguration Configuration { get; }
public void ConfigureServices(IServiceCollection services)
{
services.Configure<CookiePolicyOptions>(options =>
{
// This lambda determines whether user consent for non-essential cookies is needed for a given request.
options.CheckConsentNeeded = context => true;
options.MinimumSameSitePolicy = SameSiteMode.None;
});
services.AddMvc()
.SetCompatibilityVersion(CompatibilityVersion.Version_2_1);
}
public void Configure(IApplicationBuilder app, IHostingEnvironment env)
{
if (env.IsDevelopment())
{
//app.UseBrowserLink(); 删除此行
app.UseDeveloperExceptionPage();
}
else
{
app.UseExceptionHandler("/Error");
app.UseHsts();
}
app.UseHttpsRedirection();
app.UseStaticFiles();
app.UseCookiePolicy();
app.UseMvc();
}
}
}
三. 其他改动
-
shared文件夹中添加了新文件_CookieConsentPartial.cshtml, 在_Layout文件中被引用 <partial name="_CookieConsentPartial" />
-
_ValidationScriptsPartial.cshtml 文件中的jquery.validate.js版本升级到了1.17.0
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JQuery从2.2.0升级到3.3.1