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SmartSql 最佳實踐
常規操作
安裝 SmartSql
Install-Package SmartSql
安裝 SmartSql.DIExtension
Install-Package SmartSql.DIExtension
配置SmartSqlConfig.xml
- 寫庫(Write)必選 唯一節點
- 讀庫(Read)可選 多節點配置
Postgresql
Install-Package Npgsql
<?xml version="1.0" encoding="utf-8" ?>
<SmartSqlMapConfig xmlns="http://SmartSql.net/schemas/SmartSqlMapConfig.xsd">
<Settings
IsWatchConfigFile="true"
/>
<Database>
<DbProvider Name="SqlClientFactory" ParameterPrefix="@" Type="Npgsql.NpgsqlFactory,Npgsql"/>
<Write Name="WriteDB" ConnectionString="Server=localhost;Port=5432;User Id=postgres;Password=Rocher2016; Database=SmartSqlDB;"/>
</Database>
<SmartSqlMaps>
<SmartSqlMap Path="Maps/" Type="Directory"></SmartSqlMap>
</SmartSqlMaps>
</SmartSqlMapConfig>
MYSQL
Install-Package Mysql.Data
<?xml version="1.0" encoding="utf-8" ?>
<SmartSqlMapConfig xmlns="http://SmartSql.net/schemas/SmartSqlMapConfig.xsd">
<Settings IsWatchConfigFile="false" />
<Database>
<DbProvider Name="MySqlClientFactory" ParameterPrefix="?" Type="MySql.Data.MySqlClient.MySqlClientFactory,MySql.Data"/>
<Write Name="WriteDB" ConnectionString="Data Source=.;database=SmartSqlDB;uid=SmartSql;pwd=Rocher2018;Charset=utf8;SslMode=none"/>
<Read Name="ReadDB-0" ConnectionString="Data Source=.;database=SmartSqlDB-Read1;uid=SmartSql;pwd=Rocher2018;Charset=utf8;SslMode=none" Weight="80"/>
<Read Name="ReadDB-1" ConnectionString="Data Source=.;database=SmartSqlDB-Read2;uid=SmartSql;pwd=Rocher2018;Charset=utf8;SslMode=none" Weight="20"/>
</Database>
<SmartSqlMaps>
<SmartSqlMap Path="Maps" Type="Directory"></SmartSqlMap>
<SmartSqlMap Path="Maps/T_User.xml" Type="File"></SmartSqlMap>
</SmartSqlMaps>
</SmartSqlMapConfig>
MSSQL
<?xml version="1.0" encoding="utf-8" ?>
<SmartSqlMapConfig xmlns="http://SmartSql.net/schemas/SmartSqlMapConfig.xsd">
<Settings
IsWatchConfigFile="true"
/>
<Database>
<DbProvider Name="SqlClientFactory" ParameterPrefix="@" Type="System.Data.SqlClient.SqlClientFactory,System.Data.SqlClient"/>
<Write Name="WriteDB" ConnectionString="Data Source=.;database=SmartSqlDB;uid=SmartSql;pwd=Rocher2018"/>
<Read Name="ReadDB-1" ConnectionString="Data Source=.;database=SmartSqlDB-Read1;uid=SmartSql;pwd=Rocher2018"/>
<Read Name="ReadDB-2" ConnectionString="Data Source=.;database=SmartSqlDB-Read2;uid=SmartSql;pwd=Rocher2018"/>
</Database>
<SmartSqlMaps>
<SmartSqlMap Path="Maps" Type="Directory"></SmartSqlMap>
</SmartSqlMaps>
</SmartSqlMapConfig>
注入依賴
services.AddSmartSql()
services.AddRepositoryFactory()
services.AddRepositoryFromAssembly((options) =>
{
options.AssemblyString = "SmartSql.Starter.Repository"
})
定義倉儲接口
public interface IUserRepository
{
IEnumerable<User> Query(object reqParams);
long GetRecord(object reqParams);
User Get(object reqParams);
long Insert(User entity);
int Update(User entity);
int Delete(User entity);
}
盡情享用
public class UserService
{
private readonly ISmartSqlMapper _smartSqlMapper;
private readonly IUserRepository _userRepository;
public UserService(
ISmartSqlMapper smartSqlMapper
, IUserRepository userRepository)
{
_smartSqlMapper = smartSqlMapper;
_userRepository = userRepository;
}
public long Add(AddRequest request)
{
int existsNum = _userRepository.Exists(new { request.UserName });
if (existsNum > 0)
{
throw new ArgumentException($"{nameof(request.UserName)} has already existed!");
}
return _userRepository.Add(new Entitiy.User
{
UserName = request.UserName,
Password = request.Password,
Status = Entitiy.UserStatus.Ok,
CreationTime = DateTime.Now,
});
}
public void UseTransaction()
{
try
{
_smartSqlMapper.BeginTransaction();
_smartSqlMapper.CommitTransaction();
}
catch (Exception ex)
{
_smartSqlMapper.RollbackTransaction();
throw ex;
}
}
}