1、新建类库WPFProjectShared，在类库下新建文件夹Dtos，新建BaseDto.cs，继承INotifyPropertyChanged，实现通知更新。
public class BaseDto : INotifyPropertyChanged
{
public int Id { get; set; }
public event PropertyChangedEventHandler? PropertyChanged;
/// <summary>
/// 实现通知更新
/// </summary>
/// <param name="propertyName"></param>
public void OnPropertyChanged([CallerMemberName] string propertyName = "")
{
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
}
}2、WPFProjectAPI添加引用WPFProjectShared
3、新建待办事项传输实体TodoDto.cs，继承BaseDto.cs
/// <summary>
/// 待办事项传输实体
/// </summary>
public class TodoDto : BaseDto
{
/// <summary>
/// 标题
/// </summary>
private string title;
public string Title
{
get { return title; }
set { title = value; OnPropertyChanged(); }
}
/// <summary>
/// 内容
/// </summary>
private string content;
public string Content
{
get { return content; }
set { content = value; OnPropertyChanged(); }
}
/// <summary>
/// 状态
/// </summary>
private string status;
public string Status
{
get { return status; }
set { status = value; OnPropertyChanged(); }
}
}4、在api层引入AutoMapper，并新建文件夹Extensions，新建帮助类AutoMapperProFile.cs，继承ProFile
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public class AutoMapperProFile : Profile
{
public AutoMapperProFile()
{
CreateMap<ToDo, TodoDto>().ReverseMap();
}
}5、在program.cs中注册AutoMapper的服务
//注册AutoMapper服务
builder.Services.AddAutoMapper(typeof(AutoMapperProFile));6、IToDoService.cs修改代码传入ToDoDto，相应的ToDoService.cs的代码也要修改
public interface IToDoService : IBaseService<TodoDto>
{
}public class ToDoService : IToDoService
{
private readonly IUnitOfWork unitOfWork;
private readonly IMapper mapper;
public ToDoService(IUnitOfWork unitOfWork, IMapper mapper)
{
this.unitOfWork = unitOfWork;
this.mapper = mapper;
}
/// <summary>
/// 新增待办事项
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
public async Task<ApiResponse> AddEntityAsync(TodoDto model)
{
try
{
var todo = mapper.Map<ToDo>(model);
await unitOfWork.GetRepository<ToDo>().InsertAsync(todo);
if(await unitOfWork.SaveChangesAsync() > 0)
{
return new ApiResponse(true, model);
}
else
{
return new ApiResponse(false, "添加数据失败！");
}
}
catch (Exception ex)
{
return new ApiResponse(false, ex.Message);
}
}
/// <summary>
/// 删除待办事项
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public async Task<ApiResponse> DeleteEntityAsync(int id)
{
try
{
var repository = unitOfWork.GetRepository<ToDo>();
var todo = await repository.GetFirstOrDefaultAsync(predicate: t => t.Id.Equals(id));
repository.Delete(todo);
if (await unitOfWork.SaveChangesAsync() > 0)
{
return new ApiResponse(true, "删除数据成功！");
}
else
{
return new ApiResponse(false, "删除数据失败！");
}
}
catch (Exception ex)
{
return new ApiResponse(false, ex.Message);
}
}
/// <summary>
/// 查询所有数据
/// </summary>
/// <returns></returns>
public async Task<ApiResponse> GetAllAsync()
{
try
{
var repository = unitOfWork.GetRepository<ToDo>();
var todo = await repository.GetAllAsync();
if (todo != null)
{
return new ApiResponse(true, todo);
}
else
{
return new ApiResponse(false, "查询数据失败！");
}
}
catch (Exception ex)
{
return new ApiResponse(false, ex.Message);
}
}
/// <summary>
/// 根据Id查询数据
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public async Task<ApiResponse> GetSingleAsync(int id)
{
try
{
var repository = unitOfWork.GetRepository<ToDo>();
var todo = await repository.GetFirstOrDefaultAsync(predicate: t => t.Id.Equals(id));
if (todo != null)
{
return new ApiResponse(true, todo);
}
else
{
return new ApiResponse(false, $"未查询到Id={id}的数据！");
}
}
catch (Exception ex)
{
return new ApiResponse(false, ex.Message);
}
}
/// <summary>
/// 更新数据
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
/// <exception cref="NotImplementedException"></exception>
public async Task<ApiResponse> UpdateEntityAsync(TodoDto model)
{
try
{
var dbTodo = mapper.Map<ToDo>(model);
var repository = unitOfWork.GetRepository<ToDo>();
var todo = await repository.GetFirstOrDefaultAsync(predicate: t => t.Id.Equals(dbTodo.Id));
if (todo != null)
{
todo.Title = dbTodo.Title;
todo.Content = dbTodo.Content;
todo.Status = dbTodo.Status;
todo.UpdateDate = DateTime.Now;
repository.Update(todo);
if(await unitOfWork.SaveChangesAsync() > 0)
{
return new ApiResponse(true, "更新数据成功！");
}
else
{
return new ApiResponse(true, "更新数据失败！");
}
}
else
{
return new ApiResponse(false, $"未查询到Id={model.Id}的数据！");
}
}
catch (Exception ex)
{
return new ApiResponse(false, ex.Message);
}
}
}7、F5运行项目
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