public void TestMappingField()
{
var cat = new cms_category();
var watch = System.Diagnostics.Stopwatch.StartNew();
var eachCount = 100000;
for (var i = 0; i < eachCount; i++)
{
var field = new cms_category().ExpField(f => f.name);
}
watch.Stop();
Console.WriteLine("Linq反射取" + eachCount + "次字段毫秒数:" + watch.ElapsedMilliseconds);
}
public void TestAccessOrm()
{
//ORM数据映射
DbConfig.UseDefaultConfig(new TModelDbConfig(GetDbPath()));
Console.WriteLine("Start loadding...");
Console.WriteLine(new cms_category().Query(m => m.name == "城市").ToCount());
var cat = new cms_category().Query(m => m.name == "城市").SortAsc(m => m.name).ToModel();
Console.WriteLine(cat.name);
//设置只更新部分
//cat.SetPartHandled();
//cat.description = "test";
//cat.Update(m=>m.id == 1);
Console.WriteLine(cat.ToValue(m => m.name));
Console.WriteLine(new cms_category().Query(m => m.name == "城市").ToList()[0].name);
Console.WriteLine(new cms_category().Query(m => m.name == "城市" && m.id > 0 && m.name == "" || (m.id == 0 || m.name == "")).ToCount());
//指定条件规则查询
Console.WriteLine(new cms_category().Query(m => (m.name == "城市" && (m.id > 0 || m.name == "")) || (m.id == 0 || m.name == "")).ToCount());
var cityList = new List <string> {
"城市", "b", "c"
};
var layer = new LayerModel {
List = cityList
};
Console.WriteLine(new cms_category().Query(m => m.name == "城市" || cityList.Contains(m.name) || m.parent_id == Status.Success).ToCount());
Console.WriteLine(new cms_category().Query(m => m.name == "城市" || layer.List.Contains(m.name)).ToCount());
//获取全部
var datsList = new cms_category().Query().ToList();
Console.WriteLine(datsList.Count);
//获取N条
datsList = new cms_category().Query().ToList(6);
Console.WriteLine(datsList.Count);
//获取部分
var partList = new cms_category().Query().ToPartList(6, "id", "name").Select(m => new cms_category
{
id = int.Parse(m[0]),
name = m[1]
}).ToList();
Console.WriteLine(partList.Count);
//分页查询
var mapper = new cms_category().Query();
var dataCount = mapper.ToCount();
datsList = mapper.ToList(20, 1, dataCount);
Console.WriteLine(datsList.Count);
//条件拼接查询
mapper.And(m => m.name == "test")
.And(m => m.id > 0)
.Or(m => m.parent_id > 0);
mapper.Or(m => m.parent_id > 0);
var channels = new cms_channel().Query().ToList();
Console.WriteLine(channels.Count);
var grade = new ucl_grade {
id = 5
};
grade.grade_name = "新手1";
var dal = new UclGradeDataAccess(grade);
//保持数据库连接
using (var db = new DbBuilder(new TModelDbConfig(GetDbPath())).KeepConnect())
{
//使用数据库db操作并跟踪实体修改状态
dal.UseDatabase(db).SetPartHandled();
grade.grade = 8;
grade.grade_name = "新手";
dal.Update();
}
//db销毁后重连数据库
Console.WriteLine(dal.ToValue(m => m.grade_name));
//使用事务(在事务中处理)
using (var db = new DbBuilder(new TModelDbConfig(GetDbPath())).KeepConnect())
{
try
{
db.BeginTransaction();
//TODO:something
//使用数据库db操作并跟踪实体修改状态
dal.UseDatabase(db).SetPartHandled();
grade.grade = 8;
grade.grade_name = "新手";
dal.Update();
db.CommitTransaction();
}
catch (Exception ex)
{
db.RollbackTransaction();
}
}
//使用事务(批处理事务)
var parList = new List <DbParamInfo>();
//添加到批处理事务中，如果执行失败则回滚事务
parList.Add(dal.GetUpdateDbParamInfo().UseVerifyExecResult());
//TODO:添加其他操作到parList
var execCount = new DbBuilder(new TModelDbConfig(GetDbPath())).ExecuteSqlTran(parList);
Console.WriteLine(execCount);
}
