使用ColumnAttribute 属性完整的代码片段: namespace YourNamespace { /// /// Uses the Name value of the <see cref="ColumnAttribute"/> specified to determine /// the association between the name of the column in the query results and the member to /// which it will be extracted. If no...
类定义,因为程序如果使用下划线感觉会很突兀,不符合C#类命名规范,所以统一使用了大写开头的驼峰式命名,找了一个通过Attribute的映射到数据库字段的方式,代码在最后贴上 publicclassPersonInfo{ [Column(Name ="mainid")]publiclongMainId {get;set; } [Column(Name ="id_card_number")]publicstringIdCardNumber {...
类定义,因为程序如果使用下划线感觉会很突兀,不符合C#类命名规范,所以统一使用了大写开头的驼峰式命名,找了一个通过Attribute的映射到数据库字段的方式,代码在最后贴上 publicclassPersonInfo{[Column(Name="mainid")]publiclongMainId{get;set;}[Column(Name="id_card_number")]publicstringIdCardNumber{get;set;}...
1,添加一个类ColumnAttributeTypeMapper,用于字段-属性映射: using Dapper; using System; using System.Collections.Generic; using System.Linq; using System.Reflection; namespace 命名空间 { /// /// Uses the Name value of the <see cref="ColumnAttribute"/> specified to determine /// the associatio...
DescriptionAttribute attrib2 = (DescriptionAttribute)attrib; return (attrib2?.Description ?? member.Name).ToLower(); } public static void RegisterTypeMapByDescriptionAttr(Type objType) { var map = new CustomPropertyTypeMap(objType, (type, columnName) => type.GetProperties() ...
从TableAttribute Dapper.Contrib获取表名 、、 我使用Dapper和Dapper.Contrib从数据库映射对象。[Table("tblUser")]{ public string Title { get; set; }如何获得设置表数据注释属性
Schema attribute for AutoMapper Added LogManager 1.1.16 Added timeout to Query, QueryScalar, QueryDynamic 1.1.15 QueryDynamic added for executing inline queries 1.1.14 Nolock unit tests and fix 1.1.13 Handling NullReferenceException when comparing against MemberExpression on the left side (alexzubia...
自定义ColumnAttribute(高级):如参考信息中提到的,你可以通过实现自定义的ColumnAttribute和ITypeMap来扩展Dapper,以支持列名和属性名之间的映射。这种方法比较复杂,但提供了最大的灵活性。 4. 测试修改后的映射配置是否生效 在修改了映射配置后,你应该编写单元测试或集成测试来验证映射是否正确生效。这通常涉及到执行数...
Columnattribute is to specify column name and more such as IsPrimary- Primary key or not AutoIncrementif not auto increment then the key must be set before add/update an entity Repositories publicclassContactRepository:Repository<Contact,int>{publicContactRepository(IQueryBuilderqueryBuilder,IDbFactorydb...
BaseAttribute:特性基类 using System;using System.Collections.Generic;using System.Linq;using System.Text;namespace Dapper{ public class BaseAttribute:Attribute { /// /// 别名,对应数据里面的名字 /// public string Name { get; set; } }} View Code ColumnAttribute:字段列特性 using System...