ABP学习入门系列（五）（展示实现增删改查）

using System.Web.Mvc;
using Abp.Application.Services.Dto;
using Abp.Runtime.Caching;
using Abp.Threading;
using Abp.Web.Mvc.Authorization;
using AutoMapper;
using LearningMpaAbp.Notifications;
using LearningMpaAbp.Tasks;
using LearningMpaAbp.Tasks.Dtos;
using LearningMpaAbp.Users;
using LearningMpaAbp.Users.Dto;
using LearningMpaAbp.Web.Models.Tasks;
using X.PagedList;

namespace LearningMpaAbp.Web.Controllers
{
    [AbpMvcAuthorize]
    public class TasksController : LearningMpaAbpControllerBase
    {
        private readonly ITaskAppService _taskAppService;
        private readonly IUserAppService _userAppService;
        private readonly INotificationAppService _notificationAppService;
        private readonly ICacheManager _cacheManager;

        public TasksController(ITaskAppService taskAppService, IUserAppService userAppService, ICacheManager cacheManager, INotificationAppService notificationAppService)
        {
            _taskAppService = taskAppService;
            _userAppService = userAppService;
            _cacheManager = cacheManager;
            _notificationAppService = notificationAppService;
        }

        public ActionResult Index(GetTasksInput input)
        {
            var output = _taskAppService.GetTasks(input);

            var model = new IndexViewModel(output.Tasks)
            {
                SelectedTaskState = input.State
            };
            return View(model);
        }

        // GET: Tasks
        public ActionResult PagedList(int? page)
        {
            //每页行数
            var pageSize = 5;
            var pageNumber = page ?? 1; //第几页

            var filter = new GetTasksInput
            {
                SkipCount = (pageNumber - 1) * pageSize, //忽略个数
                MaxResultCount = pageSize
            };
            var result = _taskAppService.GetPagedTasks(filter);

            //已经在应用服务层手动完成了分页逻辑，所以需手动构造分页结果
            var onePageOfTasks = new StaticPagedList<TaskDto>(result.Items, pageNumber, pageSize, result.TotalCount);
            //将分页结果放入ViewBag供View使用
            ViewBag.OnePageOfTasks = onePageOfTasks;

            return View();
        }


        public PartialViewResult GetList(GetTasksInput input)
        {
            var output = _taskAppService.GetTasks(input);
            return PartialView("_List", output.Tasks);
        }

        /// <summary>
        /// 获取创建任务分部视图
        /// 该方法使用ICacheManager进行缓存，在WebModule中配置缓存过期时间为10mins
        /// </summary>
        /// <returns></returns>
        public PartialViewResult RemoteCreate()
        {
            //1.1 注释该段代码，使用下面缓存的方式
            //var userList = _userAppService.GetUsers();

            //1.2 同步调用异步解决方案（最新Abp创建的模板项目已经去掉该同步方法，所以可以通过下面这种方式获取用户列表）
            //var userList = AsyncHelper.RunSync(() => _userAppService.GetUsersAsync());

            //1.3 缓存版本
            var userList = _cacheManager.GetCache("ControllerCache").Get("AllUsers", () => _userAppService.GetUsers());

            //1.4 转换为泛型版本
            //var userList = _cacheManager.GetCache("ControllerCache").AsTyped<string, ListResultDto<UserListDto>>().Get("AllUsers", () => _userAppService.GetUsers());

            //1.5 泛型缓存版本
            //var userList = _cacheManager.GetCache<string, ListResultDto<UserListDto>>("ControllerCache").Get("AllUsers", () => _userAppService.GetUsers());

            ViewBag.AssignedPersonId = new SelectList(userList.Items, "Id", "Name");
            return PartialView("_CreateTaskPartial");
        }

        /// <summary>
        /// 获取创建任务分部视图（子视图）
        /// 该方法使用[OutputCache]进行缓存，缓存过期时间为2mins
        /// </summary>
        /// <returns></returns>
        [ChildActionOnly]
        [OutputCache(Duration = 1200, VaryByParam = "none")]
        public PartialViewResult Create()
        {
            var userList = _userAppService.GetUsers();
            ViewBag.AssignedPersonId = new SelectList(userList.Items, "Id", "Name");
            return PartialView("_CreateTask");
        }

        // POST: Tasks/Create
        // 为了防止“过多发布”攻击，请启用要绑定到的特定属性，有关 
        // 详细信息，请参阅 http://go.microsoft.com/fwlink/?LinkId=317598。
        [HttpPost]
        [ValidateAntiForgeryToken]
        public ActionResult Create(CreateTaskInput task)
        {
            var id = _taskAppService.CreateTask(task);

            var input = new GetTasksInput();
            var output = _taskAppService.GetTasks(input);

            return PartialView("_List", output.Tasks);
        }

        // GET: Tasks/Edit/5

        public PartialViewResult Edit(int id)
        {
            var task = _taskAppService.GetTaskById(id);

            var updateTaskDto = Mapper.Map<UpdateTaskInput>(task);

            var userList = _userAppService.GetUsers();
            ViewBag.AssignedPersonId = new SelectList(userList.Items, "Id", "Name", updateTaskDto.AssignedPersonId);

            return PartialView("_EditTask", updateTaskDto);
        }

        // POST: Tasks/Edit/5
        // 为了防止“过多发布”攻击，请启用要绑定到的特定属性，有关 
        // 详细信息，请参阅 http://go.microsoft.com/fwlink/?LinkId=317598。
        [HttpPost]
        [ValidateAntiForgeryToken]
        public ActionResult Edit(UpdateTaskInput updateTaskDto)
        {
            _taskAppService.UpdateTask(updateTaskDto);

            var input = new GetTasksInput();
            var output = _taskAppService.GetTasks(input);

            return PartialView("_List", output.Tasks);
        }

        public ActionResult NotifyUser()
        {
            _notificationAppService.NotificationUsersWhoHaveOpenTask();
            return new EmptyResult();
        }
    }
}