本篇主要记录具体如何新增数据,废话很少说,开始进入正文。web
一. 生成工程结构数据库
上一篇已经说到了如何生成工程结构,这里在累述一次。app
1. 新建项目整体结构框架
使用VS新建项目结构,分层结构能够随意。咱们使用的结构以下:ide
2. 引入配置文件相关测试
Configs文件夹中的配置文件,其目录结构以下图:ui
以上几个文件为必须的,除了最下面的画红线的为自定义能够修改,具体配置项内容能够参考前面几篇文章。而后再web.config定义以下配置:this
<appSettings> <add key="DatabaseListFile" value="/Configs/Data/Database.config"/> <add key="DataCommandFile" value="/Configs/Data/DbCommandFiles.config"/> <add key="console" value="true"/> <add key="file" value="true"/> <add key="level" value="info"/> <add key="logpath" value="\Log\"/> <add key="logtype" value="Daily"/> </appSettings>
3. 生成相应的代码spa
[TableAttribute(DbName = "JooShowGit", Name = "Admin", PrimaryKeyName = "ID", IsInternal = false)] public partial class AdminEntity : BaseEntity { public AdminEntity() { } [DataMapping(ColumnName = "ID", DbType = DbType.Int32, Length = 4, CanNull = false, DefaultValue = null, PrimaryKey = true, AutoIncrement = true, IsMap = true)] public Int32 ID { get; set; } public AdminEntity IncludeID(bool flag) { if (flag && !this.ColumnList.Contains("ID")) { this.ColumnList.Add("ID"); } return this; } [DataMapping(ColumnName = "UserName", DbType = DbType.String, Length = 20, CanNull = false, DefaultValue = null, PrimaryKey = false, AutoIncrement = false, IsMap = true)] public string UserName { get; set; } public AdminEntity IncludeUserName(bool flag) { if (flag && !this.ColumnList.Contains("UserName")) { this.ColumnList.Add("UserName"); } return this; } [DataMapping(ColumnName = "PassWord", DbType = DbType.String, Length = 50, CanNull = false, DefaultValue = null, PrimaryKey = false, AutoIncrement = false, IsMap = true)] public string PassWord { get; set; } public AdminEntity IncludePassWord(bool flag) { if (flag && !this.ColumnList.Contains("PassWord")) { this.ColumnList.Add("PassWord"); } return this; } [DataMapping(ColumnName = "UserCode", DbType = DbType.String, Length = 40, CanNull = false, DefaultValue = null, PrimaryKey = false, AutoIncrement = false, IsMap = true)] public string UserCode { get; set; } public AdminEntity IncludeUserCode(bool flag) { if (flag && !this.ColumnList.Contains("UserCode")) { this.ColumnList.Add("UserCode"); } return this; } [DataMapping(ColumnName = "RealName", DbType = DbType.String, Length = 40, CanNull = false, DefaultValue = null, PrimaryKey = false, AutoIncrement = false, IsMap = true)] public string RealName { get; set; } public AdminEntity IncludeRealName(bool flag) { if (flag && !this.ColumnList.Contains("RealName")) { this.ColumnList.Add("RealName"); } return this; } [DataMapping(ColumnName = "Email", DbType = DbType.String, Length = 30, CanNull = true, DefaultValue = null, PrimaryKey = false, AutoIncrement = false, IsMap = true)] public string Email { get; set; } public AdminEntity IncludeEmail(bool flag) { if (flag && !this.ColumnList.Contains("Email")) { this.ColumnList.Add("Email"); } return this; } [DataMapping(ColumnName = "Mobile", DbType = DbType.String, Length = 11, CanNull = true, DefaultValue = null, PrimaryKey = false, AutoIncrement = false, IsMap = true)] public string Mobile { get; set; } public AdminEntity IncludeMobile(bool flag) { if (flag && !this.ColumnList.Contains("Mobile")) { this.ColumnList.Add("Mobile"); } return this; } [DataMapping(ColumnName = "Phone", DbType = DbType.String, Length = 20, CanNull = true, DefaultValue = null, PrimaryKey = false, AutoIncrement = false, IsMap = true)] public string Phone { get; set; } public AdminEntity IncludePhone(bool flag) { if (flag && !this.ColumnList.Contains("Phone")) { this.ColumnList.Add("Phone"); } return this; } [DataMapping(ColumnName = "CreateTime", DbType = DbType.DateTime, Length = 8, CanNull = false, DefaultValue = null, PrimaryKey = false, AutoIncrement = false, IsMap = true)] public DateTime CreateTime { get; set; } public AdminEntity IncludeCreateTime(bool flag) { if (flag && !this.ColumnList.Contains("CreateTime")) { this.ColumnList.Add("CreateTime"); } return this; } [DataMapping(ColumnName = "CreateIp", DbType = DbType.String, Length = 20, CanNull = true, DefaultValue = null, PrimaryKey = false, AutoIncrement = false, IsMap = true)] public string CreateIp { get; set; } public AdminEntity IncludeCreateIp(bool flag) { if (flag && !this.ColumnList.Contains("CreateIp")) { this.ColumnList.Add("CreateIp"); } return this; } [DataMapping(ColumnName = "CreateUser", DbType = DbType.String, Length = 30, CanNull = true, DefaultValue = null, PrimaryKey = false, AutoIncrement = false, IsMap = true)] public string CreateUser { get; set; } public AdminEntity IncludeCreateUser(bool flag) { if (flag && !this.ColumnList.Contains("CreateUser")) { this.ColumnList.Add("CreateUser"); } return this; } [DataMapping(ColumnName = "LoginCount", DbType = DbType.Int32, Length = 4, CanNull = false, DefaultValue = null, PrimaryKey = false, AutoIncrement = false, IsMap = true)] public Int32 LoginCount { get; set; } public AdminEntity IncludeLoginCount(bool flag) { if (flag && !this.ColumnList.Contains("LoginCount")) { this.ColumnList.Add("LoginCount"); } return this; } [DataMapping(ColumnName = "Picture", DbType = DbType.String, Length = 60, CanNull = true, DefaultValue = null, PrimaryKey = false, AutoIncrement = false, IsMap = true)] public string Picture { get; set; } public AdminEntity IncludePicture(bool flag) { if (flag && !this.ColumnList.Contains("Picture")) { this.ColumnList.Add("Picture"); } return this; } [DataMapping(ColumnName = "UpdateTime", DbType = DbType.DateTime, Length = 8, CanNull = false, DefaultValue = null, PrimaryKey = false, AutoIncrement = false, IsMap = true)] public DateTime UpdateTime { get; set; } public AdminEntity IncludeUpdateTime(bool flag) { if (flag && !this.ColumnList.Contains("UpdateTime")) { this.ColumnList.Add("UpdateTime"); } return this; } [DataMapping(ColumnName = "IsDelete", DbType = DbType.Int16, Length = 2, CanNull = false, DefaultValue = null, PrimaryKey = false, AutoIncrement = false, IsMap = true)] public Int16 IsDelete { get; set; } public AdminEntity IncludeIsDelete(bool flag) { if (flag && !this.ColumnList.Contains("IsDelete")) { this.ColumnList.Add("IsDelete"); } return this; } [DataMapping(ColumnName = "Status", DbType = DbType.Int16, Length = 2, CanNull = false, DefaultValue = null, PrimaryKey = false, AutoIncrement = false, IsMap = true)] public Int16 Status { get; set; } public AdminEntity IncludeStatus(bool flag) { if (flag && !this.ColumnList.Contains("Status")) { this.ColumnList.Add("Status"); } return this; } [DataMapping(ColumnName = "DepartNum", DbType = DbType.String, Length = 20, CanNull = true, DefaultValue = null, PrimaryKey = false, AutoIncrement = false, IsMap = true)] public string DepartNum { get; set; } public AdminEntity IncludeDepartNum(bool flag) { if (flag && !this.ColumnList.Contains("DepartNum")) { this.ColumnList.Add("DepartNum"); } return this; } [DataMapping(ColumnName = "ParentCode", DbType = DbType.String, Length = 40, CanNull = false, DefaultValue = null, PrimaryKey = false, AutoIncrement = false, IsMap = true)] public string ParentCode { get; set; } public AdminEntity IncludeParentCode(bool flag) { if (flag && !this.ColumnList.Contains("ParentCode")) { this.ColumnList.Add("ParentCode"); } return this; } [DataMapping(ColumnName = "RoleNum", DbType = DbType.String, Length = 20, CanNull = false, DefaultValue = null, PrimaryKey = false, AutoIncrement = false, IsMap = true)] public string RoleNum { get; set; } public AdminEntity IncludeRoleNum(bool flag) { if (flag && !this.ColumnList.Contains("RoleNum")) { this.ColumnList.Add("RoleNum"); } return this; } [DataMapping(ColumnName = "Remark", DbType = DbType.String, Length = 40, CanNull = true, DefaultValue = null, PrimaryKey = false, AutoIncrement = false, IsMap = true)] public string Remark { get; set; } public AdminEntity IncludeRemark(bool flag) { if (flag && !this.ColumnList.Contains("Remark")) { this.ColumnList.Add("Remark"); } return this; } }
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Data; using Git.Framework.ORM; using Git.Storage.Entity.Base; namespace Git.Storage.IDataAccess.Base { public partial interface IAdmin : IDbHelper<AdminEntity> { } }
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Data; using Git.Framework.ORM; using Git.Framework.MsSql; using Git.Storage.Entity.Base; using Git.Storage.IDataAccess.Base; namespace Git.Storage.DataAccess.Base { public partial class AdminDataAccess : DbHelper<AdminEntity>, IAdmin { public AdminDataAccess() { } } }
二. 使用IncludeAll() 方法新增3d
可能你们以为IncludeAll()方法很奇怪,这里咱们先看一个SQL语句
INSERT INTO [dbo].[OutStorage]([OrderNum],[OutType],[ProductType],[CusNum],[CusName],[Contact],[Phone],[Address],[ContractOrder],[Num],[Amount],[Weight],[SendDate],[Status],[IsDelete],[CreateTime],[CreateUser],[AuditUser],[AuditeTime],[PrintUser],[PrintTime],[Reason],[OperateType],[EquipmentNum],[EquipmentCode],[Remark]) VALUES(@OrderNum,@OutType,@ProductType,@CusNum,@CusName,@Contact,@Phone,@Address,@ContractOrder,@Num,@Amount,@Weight,@SendDate,@Status,@IsDelete,@CreateTime,@CreateUser,@AuditUser,@AuditeTime,@PrintUser,@PrintTime,@Reason,@OperateType,@EquipmentNum,@EquipmentCode,@Remark);
SQL语句中有个INSERT INTO TABLE (ColName1,ColName2,ColName3,...) 插入语句包含了插入的字段。在前面的映射过程当中咱们讲到了每一个字段都有一个标识属性用于对一个数据库中的哪一个字段,IncludeAll() 方法就是用于包含类中的全部标识对应的数据库字段。
public int AddAdmin(AdminEntity entity) { entity.IsDelete = (int)EIsDelete.NotDelete; entity.CreateTime = DateTime.Now; entity.ParentCode = ""; entity.IncludeAll(); int line = this.Admin.Add(entity); return line; }
上面的代码中有一句就是恩提桶有.IncludeAll() 该方法就是用于包含这个类中全部的属性字段。
INSERT INTO [dbo].[Admin]([UserName],[PassWord],[UserCode],[RealName],[Email],[Mobile],[Phone],[CreateTime],[CreateIp],[CreateUser],[LoginCount],[Picture],[UpdateTime],[IsDelete],[Status],[DepartNum],[ParentCode],[RoleNum],[Remark]) VALUES(@UserName,@PassWord,@UserCode,@RealName,@Email,@Mobile,@Phone,@CreateTime,@CreateIp,@CreateUser,@LoginCount,@Picture,@UpdateTime,@IsDelete,@Status,@DepartNum,@ParentCode,@RoleNum,@Remark);
上面的方法调用能够生成如上的SQL代码,这些字段都是数据库表中对应的字段,使用下面的截图程序测试效果以下:
最终经过调用Add方法,将数据插入到了数据库,咱们经过SQL管理器查询能够看到插入的数据。
三. Include 方法添加
在系统中提供了以下几个Include方法的重载和扩展
public static T Include<T, TKey>(this T entity, Expression<Func<T, TKey>> keySelector) where T : BaseEntity; public static T Include<T>(this T entity, string propertyName) where T : BaseEntity; public static T Include<T>(this T entity, string propertyName, string alias) where T : BaseEntity;
以上三个方法都是扩展方法,第一个主要是用于对Lambda表达式的支持
entity.Include(a => new { a.DepartName,a.DicColumn,a.DepartNum,a.UserCode,a.UserName,a.PassWord });
使用Lambda表达式能够更加方便的操做类的属性,能够使用.操做。 若是将new{} 这个里面指定全部的字段就和IncludeAll()方法同样。
下面的两个方法第一个用于直接包含字段名称,最后一个则是包含字段名称而且指定别人,这个和在查询的时候有做用,查找字段指定别名。
public int AddAdmin(AdminEntity entity) { entity.IsDelete = (int)EIsDelete.NotDelete; entity.CreateTime = DateTime.Now; entity.ParentCode = ""; //entity.IncludeAll(); entity.Include(a => new { a.DepartNum,a.UserCode,a.UserName,a.PassWord }); int line = this.Admin.Add(entity); return line; }
下面看看生成的SQL语句以下:
INSERT INTO [dbo].[Admin]([DepartNum],[UserCode],[UserName],[PassWord]) VALUES(@DepartNum,@UserCode,@UserName,@PassWord);
并无包含全部的字段信息,经过对比应该能够明白Include方法的做用了。 可是这里注意include 方法至少要包含一个字段,不然程序异常。若是建有数据库约束的字段也要包含,好比不容许为NULL的,若是不包含默认作NULL处理,插入语句报错。
四. 插入集合
这里的插入集合要注意只能少许的插入,若是一次性几万是存在问题的。仍是直接看代码
public override string Create(InStorageEntity entity, List<InStorDetailEntity> list) { using (TransactionScope ts = new TransactionScope()) { int line = 0; entity.OrderNum = entity.OrderNum.IsEmpty() ? (new TNumProivder()).GetSwiftNum(typeof(InStorageEntity), 5) : entity.OrderNum; entity.IncludeAll(); if (!list.IsNullOrEmpty()) { list.ForEach(a => { a.IncludeAll(); a.OrderNum = entity.OrderNum; }); entity.Num = list.Sum(q => q.Num); entity.Amount = list.Sum(a => a.Amount); line = this.InStorage.Add(entity); line += this.InStorDetail.Add(list); } ts.Complete(); return line > 0 ? EnumHelper.GetEnumDesc<EReturnStatus>(EReturnStatus.Success) : string.Empty; } }
方法this.InStorDetail.Add(list); 参数是一个List<T> 集合,调用该方法能够讲多条数据插入到数据库,可是在插入以前集合中的项都必须调用Include()或者IncludeAll() 用于包含插入哪些字段。
五. 新增方法汇总
int Add(List<T> list); int Add(T entity); int Add(List<T> list, bool isOpenTrans); int Add(T entity, bool isOpenTrans);
在系统框架中提供了以上四种新增的方法,下面两个方法都多了一个参数就是在插入的时候是否启用事务操做,true表示启用,默认不启用