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416 lines
16 KiB
416 lines
16 KiB
using System;
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using System.Collections.Generic;
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using System.ComponentModel.DataAnnotations;
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using System.Data.Linq.Mapping;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using SqlSugar;
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namespace OrmTest
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{
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public class Demo0_SqlSugarClient
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{
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public static void Init()
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{
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SqlSugarClient();//Create db
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DbContext();//Optimizing SqlSugarClient usage
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SingletonPattern();//Singleten Pattern
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DistributedTransactionExample();
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MasterSlave();//Read-write separation
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CustomAttribute();
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}
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private static void MasterSlave()
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{
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Console.WriteLine("");
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Console.WriteLine("#### MasterSlave Start ####");
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SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()
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{
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ConnectionString = Config.ConnectionString,//Master Connection
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DbType = DbType.SqlServer,
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InitKeyType = InitKeyType.Attribute,
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IsAutoCloseConnection = true,
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SlaveConnectionConfigs = new List<SlaveConnectionConfig>() {
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new SlaveConnectionConfig() { HitRate=10, ConnectionString=Config.ConnectionString2 } ,
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new SlaveConnectionConfig() { HitRate=10, ConnectionString=Config.ConnectionString2 }
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}
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});
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db.Aop.OnLogExecuted = (s, p) =>
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{
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Console.WriteLine(db.Ado.Connection.ConnectionString);
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};
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Console.WriteLine("Master:");
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db.Insertable(new Order() { Name = "abc", CustomId = 1, CreateTime = DateTime.Now }).ExecuteCommand();
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Console.WriteLine("Slave:");
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db.Queryable<Order>().First();
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Console.WriteLine("#### MasterSlave End ####");
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}
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private static void SqlSugarClient()
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{
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//Create db
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Console.WriteLine("#### SqlSugarClient Start ####");
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SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()
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{
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DbType = DbType.SqlServer,
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ConnectionString = Config.ConnectionString,
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InitKeyType = InitKeyType.Attribute,
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IsAutoCloseConnection = true,
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AopEvents = new AopEvents
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{
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OnLogExecuting = (sql, p) =>
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{
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Console.WriteLine(sql);
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Console.WriteLine(string.Join(",", p?.Select(it => it.ParameterName + ":" + it.Value)));
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}
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}
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});
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//If no exist create datebase
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db.DbMaintenance.CreateDatabase();
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//Use db query
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var dt = db.Ado.GetDataTable("select 1");
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//Create tables
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db.CodeFirst.InitTables(typeof(OrderItem),typeof(Order));
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var id = db.Insertable(new Order() { Name = "order1", CustomId = 1, Price = 0, CreateTime = DateTime.Now }).ExecuteReturnIdentity();
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//Insert data
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db.Insertable(new OrderItem() { OrderId = id, Price = 0, CreateTime=DateTime.Now }).ExecuteCommand();
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Console.WriteLine("#### SqlSugarClient End ####");
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}
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private static void DbContext()
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{
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Console.WriteLine("");
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Console.WriteLine("#### DbContext Start ####");
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var insertObj = new Order { Name = "jack", CreateTime = DateTime.Now };
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var InsertObjs = new Order[] { insertObj };
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DbContext context = new DbContext();
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context.Db.CodeFirst.InitTables<Order, OrderItem,Custom>();//Create Tables
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;
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var orderDb = context.OrderDb;
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//Select
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var data1 = orderDb.GetById(1);
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var data2 = orderDb.GetList();
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var data3 = orderDb.GetList(it => it.Id == 1);
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var data4 = orderDb.GetSingle(it => it.Id == 1);
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var p = new PageModel() { PageIndex = 1, PageSize = 2 };
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var data5 = orderDb.GetPageList(it => it.Name == "xx", p);
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Console.Write(p.TotalCount);
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var data6 = orderDb.GetPageList(it => it.Name == "xx", p, it => it.Name, OrderByType.Asc);
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Console.Write(p.TotalCount);
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List<IConditionalModel> conModels = new List<IConditionalModel>();
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conModels.Add(new ConditionalModel() { FieldName = "id", ConditionalType = ConditionalType.Equal, FieldValue = "1" });//id=1
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var data7 = orderDb.GetPageList(conModels, p, it => it.Name, OrderByType.Asc);
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orderDb.AsQueryable().Where(x => x.Id == 1).ToList();
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//Insert
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orderDb.Insert(insertObj);
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orderDb.InsertRange(InsertObjs);
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var id = orderDb.InsertReturnIdentity(insertObj);
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orderDb.AsInsertable(insertObj).ExecuteCommand();
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//Delete
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orderDb.Delete(insertObj);
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orderDb.DeleteById(11111);
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orderDb.DeleteById(new int[] { 1111, 2222 });
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orderDb.Delete(it => it.Id == 1111);
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orderDb.AsDeleteable().Where(it => it.Id == 1111).ExecuteCommand();
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//Update
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orderDb.Update(insertObj);
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orderDb.UpdateRange(InsertObjs);
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orderDb.Update(it => new Order() { Name = "a", }, it => it.Id == 1);
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orderDb.AsUpdateable(insertObj).UpdateColumns(it => new { it.Name }).ExecuteCommand();
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//Use Inherit DbContext
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OrderDal dal = new OrderDal();
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var data = dal.GetById(1);
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var list = dal.GetList();
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Console.WriteLine("#### DbContext End ####");
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}
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private static void CustomAttribute()
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{
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Console.WriteLine("");
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Console.WriteLine("#### Custom Attribute Start ####");
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SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()
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{
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ConnectionString = Config.ConnectionString,
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DbType = DbType.SqlServer,
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IsAutoCloseConnection = true,
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InitKeyType = InitKeyType.Attribute,
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ConfigureExternalServices = new ConfigureExternalServices()
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{
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EntityService = (property, column) =>
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{
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var attributes = property.GetCustomAttributes(true);//get all attributes
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if (attributes.Any(it => it is KeyAttribute))// by attribute set primarykey
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{
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column.IsPrimarykey = true;
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}
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},
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EntityNameService = (type, entity) =>
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{
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var attributes = type.GetCustomAttributes(true);
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if (attributes.Any(it => it is TableAttribute))
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{
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entity.DbTableName = (attributes.First(it => it is TableAttribute) as TableAttribute).Name;
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}
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}
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}
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});
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db.CodeFirst.InitTables<AttributeTable>();//Create Table
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db.Insertable(new AttributeTable() { Id = Guid.NewGuid().ToString(), Name = "Name" }).ExecuteCommand();
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var list = db.Queryable<AttributeTable>().ToList();
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Console.WriteLine("#### Custom Attribute End ####");
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}
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private static void SingletonPattern()
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{
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Console.WriteLine("");
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Console.WriteLine("#### Singleton Pattern Start ####");
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Console.WriteLine("Db_Id:" + singleDb.ContextID);
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Console.WriteLine("Db_Id:" + singleDb.ContextID);
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var task = new Task(() =>
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{
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Console.WriteLine("Task DbId:" + singleDb.ContextID);
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new Task(() =>
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{
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Console.WriteLine("_Task_Task DbId:" + singleDb.ContextID);
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Console.WriteLine("_Task_Task DbId:" + singleDb.ContextID);
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}).Start();
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Console.WriteLine("Task DbId:" + singleDb.ContextID);
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});
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task.Start();
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task.Wait();
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System.Threading.Thread.Sleep(500);
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Console.WriteLine(string.Join(",", singleDb.TempItems.Keys));
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Console.WriteLine("#### Singleton Pattern end ####");
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}
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static SqlSugarScope singleDb = new SqlSugarScope(
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new ConnectionConfig()
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{
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ConfigId = 1,
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DbType = DbType.SqlServer,
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ConnectionString = Config.ConnectionString,
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InitKeyType = InitKeyType.Attribute,
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IsAutoCloseConnection = true,
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AopEvents = new AopEvents()
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{
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OnLogExecuting = (sql, p) => { Console.WriteLine(sql); }
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}
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});
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private static void DistributedTransactionExample()
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{
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Console.WriteLine("");
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Console.WriteLine("#### Distributed TransactionExample Start ####");
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SqlSugarClient db = new SqlSugarClient(new List<ConnectionConfig>()
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{
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new ConnectionConfig(){ ConfigId="1", DbType=DbType.SqlServer, ConnectionString=Config.ConnectionString,InitKeyType=InitKeyType.Attribute,IsAutoCloseConnection=true },
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new ConnectionConfig(){ ConfigId="2", DbType=DbType.SqlServer, ConnectionString=Config.ConnectionString2 ,InitKeyType=InitKeyType.Attribute ,IsAutoCloseConnection=true}
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});
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//use db1
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db.CodeFirst.SetStringDefaultLength(200).InitTables(typeof(Order), typeof(OrderItem));//
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db.Insertable(new Order() { Name = "order1", CreateTime = DateTime.Now }).ExecuteCommand();
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Console.WriteLine(db.CurrentConnectionConfig.DbType + ":" + db.Queryable<Order>().Count());
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//use db2
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db.ChangeDatabase("2");
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db.DbMaintenance.CreateDatabase();//Create Database2
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db.CodeFirst.SetStringDefaultLength(200).InitTables(typeof(Order), typeof(OrderItem));
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db.Insertable(new Order() { Name = "order1", CreateTime = DateTime.Now }).ExecuteCommand();
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Console.WriteLine(db.CurrentConnectionConfig.DbType + ":" + db.Queryable<Order>().Count());
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// Example 1
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Console.WriteLine("Example 1");
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try
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{
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db.BeginTran();
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db.ChangeDatabase("1");//use db1
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db.Deleteable<Order>().ExecuteCommand();
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Console.WriteLine("---Delete all " + db.CurrentConnectionConfig.DbType);
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Console.WriteLine(db.Queryable<Order>().Count());
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db.ChangeDatabase("2");//use db2
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db.Deleteable<Order>().ExecuteCommand();
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Console.WriteLine("---Delete all " + db.CurrentConnectionConfig.DbType);
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Console.WriteLine(db.Queryable<Order>().Count());
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throw new Exception();
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db.CommitTran();
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}
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catch
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{
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db.RollbackTran();
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Console.WriteLine("---Roll back");
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db.ChangeDatabase("1");//use db1
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Console.WriteLine(db.CurrentConnectionConfig.DbType);
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Console.WriteLine(db.Queryable<Order>().Count());
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db.ChangeDatabase("2");//use db2
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Console.WriteLine(db.CurrentConnectionConfig.DbType);
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Console.WriteLine(db.Queryable<Order>().Count());
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}
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// Example 2
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Console.WriteLine("Example 2");
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var result=db.UseTran(() =>
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{
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db.ChangeDatabase("1");//use db1
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db.Deleteable<Order>().ExecuteCommand();
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Console.WriteLine("---Delete all " + db.CurrentConnectionConfig.DbType);
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Console.WriteLine(db.Queryable<Order>().Count());
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db.ChangeDatabase("2");//use db2
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db.Deleteable<Order>().ExecuteCommand();
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Console.WriteLine("---Delete all " + db.CurrentConnectionConfig.DbType);
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Console.WriteLine(db.Queryable<Order>().Count());
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throw new Exception("");
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});
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if (result.IsSuccess == false) {
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Console.WriteLine("---Roll back");
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db.ChangeDatabase("1");//use db1
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Console.WriteLine(db.CurrentConnectionConfig.DbType);
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Console.WriteLine(db.Queryable<Order>().Count());
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db.ChangeDatabase("2");//use db2
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Console.WriteLine(db.CurrentConnectionConfig.DbType);
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Console.WriteLine(db.Queryable<Order>().Count());
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}
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// Example 3
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Console.WriteLine("Example 3");
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var result2 = db.UseTranAsync(() =>
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{
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db.ChangeDatabase("1");//use db1
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db.Deleteable<Order>().ExecuteCommand();
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Console.WriteLine("---Delete all " + db.CurrentConnectionConfig.DbType);
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Console.WriteLine(db.Queryable<Order>().Count());
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db.ChangeDatabase("2");//use db2
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db.Deleteable<Order>().ExecuteCommand();
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Console.WriteLine("---Delete all " + db.CurrentConnectionConfig.DbType);
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Console.WriteLine(db.Queryable<Order>().Count());
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throw new Exception("");
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});
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result2.Wait();
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if (result.IsSuccess == false)
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{
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Console.WriteLine("---Roll back");
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db.ChangeDatabase("1");//use sqlserver
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Console.WriteLine(db.CurrentConnectionConfig.DbType);
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Console.WriteLine(db.Queryable<Order>().Count());
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db.ChangeDatabase("2");//use mysql
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Console.WriteLine(db.CurrentConnectionConfig.DbType);
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Console.WriteLine(db.Queryable<Order>().Count());
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}
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Console.WriteLine("#### Distributed TransactionExample End ####");
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}
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}
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/// <summary>
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/// DbContext Example 1
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/// </summary>
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public class DbContext
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{
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public SqlSugarClient Db;
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public DbContext()
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{
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Db = new SqlSugarClient(new ConnectionConfig()
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{
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ConnectionString = Config.ConnectionString,
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DbType = DbType.SqlServer,
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IsAutoCloseConnection = true,
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InitKeyType = InitKeyType.Attribute,
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AopEvents = new AopEvents()
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{
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OnLogExecuting = (sql, p) =>
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{
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Console.WriteLine(sql);
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}
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}
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});
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}
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public SimpleClient<Order> OrderDb => new SimpleClient<Order>(Db);
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public SimpleClient<OrderItem> OrderItemDb => new SimpleClient<OrderItem>(Db);
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}
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public class OrderDal : DbContext<Order>
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{
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}
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/// <summary>
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/// DbContext Example 2
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/// </summary>
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/// <typeparam name="T"></typeparam>
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public class DbContext<T> where T : class, new()
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{
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public SqlSugarClient Db;
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public DbContext()
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{
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Db = new SqlSugarClient(new ConnectionConfig()
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{
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ConnectionString = Config.ConnectionString,
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DbType = DbType.SqlServer,
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IsAutoCloseConnection = true,
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InitKeyType = InitKeyType.Attribute,
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AopEvents = new AopEvents()
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{
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OnLogExecuting = (sql, p) =>
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{
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Console.WriteLine(sql);
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}
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}
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});
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}
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public SimpleClient<T> CurrentDb => new SimpleClient<T>(Db);
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public virtual T GetById(int id)
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{
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return CurrentDb.GetById(id);
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}
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public virtual List<T> GetList()
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{
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return CurrentDb.GetList();
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}
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public virtual bool Delete(int id)
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{
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return CurrentDb.DeleteById(id);
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}
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}
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}
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