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在需要添加加载automapper工程项目的引用中有个"管理NugGet程序包(N)..."功能，进入后安装AutoMapper插件,安装后如图：

public class AutoMapperStartupTask : IStartupTask {
        public void Execute()
        {
                Mapper.CreateMap<SystemUser, UserInfoViewModel>()
                .ForMember(dest => dest.Department, mo => mo.Ignore())
                .ForMember(dest => dest.DepartmentName, mo => mo.Ignore());
                Mapper.CreateMap<UserInfoViewModel, SystemUser>().ForMember(dest => dest.Roles, mo => mo.Ignore());

AutoMapper主要提供.Map()、.CreateMap()、.DynamicMap()三个函数。

public class AutoMapperStartupTask : IStartupTask {
        public void Execute()
        {
                Mapper.CreateMap<SystemUser, UserInfoViewModel>()
                .ForMember(dest => dest.Department, mo => mo.Ignore())
                .ForMember(dest => dest.DepartmentName, mo => mo.Ignore());
                Mapper.CreateMap<UserInfoViewModel, SystemUser>().ForMember(dest => dest.Roles, mo => mo.Ignore());

如上示例：CreateMap建立源目标和目的目标数据映射关系，如果需要指定两数据模型之间字段关系就显示调用ForMember方法。注意：CreateMap是单向映射， CreateMap<tsource, tdestination=>(),只会是tdestination数据拷贝到tsource相应字段。