ASP.NET Core 使用Redis 存储Session 实现共享 Session

1.添加nuget程序包:

Microsoft.Extensions.Caching.Redis

2.在appsettings.json中添加Redis配置:

    "ConnectionRedis": {
      "Connection": "127.0.0.1:6379,allowAdmin=true,password=123456,defaultdatabase=0",
      "InstanceName": "SukCore_Redis_Session_",
      "SessionTimeOut": "20"
    },

3.在startup.cs类中，ConfigureServices 中添加代码:

public IServiceProvider 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 => false; //这里要改为false，默认是true，true的时候session无效
                options.MinimumSameSitePolicy = SameSiteMode.None;
            });

   　　　　　#region 使用Redis保存Session
            // 这里取连接字符串 自己取吧...
            ConnectionConfigModel con = ConfigurationManager.GetAppSettings<ConnectionConfigModel>();
            services.AddDistributedRedisCache(option =>
            {
                //redis 连接字符串
                option.Configuration = con.ConnectionConfig.ConnectionRedis.Connection;
                //redis 实例名
                option.InstanceName = con.ConnectionConfig.ConnectionRedis.InstanceName;
            }
            );

            //添加session 设置过期时长分钟  
            var sessionOutTime = con.ConnectionConfig.ConnectionRedis.SessionTimeOut;
            services.AddSession(options =>
            {
                options.IdleTimeout = TimeSpan.FromMinutes(Convert.ToDouble(sessionOutTime)); //session活期时间
                options.Cookie.HttpOnly = true;//设为httponly
            });
            #endregion
}

Configure 中添加 app.UseSession();

注意 app.UseSession(); 一定要在 app.UseMvc 之前

public void Configure(IApplicationBuilder app, IHostingEnvironment env)  
{
            //使用session
            app.UseSession();
 　　　　　　 app.UseMvc(routes =>
            {
                routes.MapRoute(
                    name: "areas",
                    template: "{area:exists}/{controller=Home}/{action=Index}/{id?}");
                routes.MapRoute(
                    name: "default",
                    template: "{controller=Home}/{action=Index}/{id?}");
            });
}

4.在控制器 Controller中添加：

　　public class HomeController : Controller
   {
        [HttpPost]
        public NoContentResult Add(string userName,string pwd)
        {
            this.HttpContext.Session.SetString("UserName", userName);
            this.HttpContext.Session.SetString("PassWord", pwd);
            ViewData["UserName"] = this.HttpContext.Session.GetString("UserName");
            ViewData["PassWord"] = this.HttpContext.Session.GetString("PassWord");
　　　　　　　return NoContent(); 
　　}