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  • .net core automapper

    1、安装nuget包

    Install-Package AutoMapper.Extensions.Microsoft.DependencyInjection

    2、注入AutoMapper

     public void ConfigureServices(IServiceCollection services)
            {
                services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_1);
                services.AddAutoMapper(AppDomain.CurrentDomain.GetAssemblies());
            }

    3、添加测试模型

      public class Student
        {
            public int Id { get; set; }
            public int Age { get; set; }
            public string Name { get; set; }
            public string Addr { get; set; }
            public bool Sex { get; set; }
        }
     public class StudentDto
        {
            public int Age { get; set; }
            public string Name { get; set; }
            public string Addr { get; set; }
            public bool Sex { get; set; }
        }

    4、继承Profile,在构造函数中定义映射关系。

     public class AutoProfile: Profile
        {
            public AutoProfile()
            {
                //定义映射,ReverseMap表示双向,还可以自定义映射字段
                CreateMap<Student, StudentDto>().ReverseMap();
            }
           
        }

    5、测试代码

     [Route("api/[controller]")]
        [ApiController]
        public class ValuesController : ControllerBase
        {
            private readonly IMapper _mapper;
            public ValuesController(IMapper mapper)
            {
                _mapper = mapper;
            }
            // GET api/values
            [HttpGet]
            public Student Get()
            {
                var studentDto = new StudentDto { Name = "张三", Addr = "广州市", Age = 18, Sex = true };
                var student = _mapper.Map<StudentDto, Student>(studentDto);
                return student;
            }
    
           
        }

    测试结果如下

     除了id没有,其他字段都自动匹配上值了,简单的入门级demo收工。

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  • 原文地址:https://www.cnblogs.com/KQNLL/p/11875168.html
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