/// <summary>
/// 新增单个实体
/// </summary>
/// <param name="entity"></param>
/// <returns></returns>
public virtual int Add(T entity)
{
Create(entity); //设置字段默认值
//第一种方式
context.Entry(entity).State = EntityState.Added;
//第二种方式
//context.Set<T>().Add(entity);
// return context.SaveChanges();
var result = 0;
SaveAction(() =>
{
result = context.SaveChanges();
});
return(result);
}
public static string GetLZCode()
{
lock (_lock)
{
var dt = DateTime.Now.Date;
var data = context.Set <LZCodeGenerate>().Where(m => m.CurrentDate >= dt).FirstOrDefault();
var _code = "A";
if (data != null)
{
if (data.LZCode.Length > 7)
{
var _tempCode = data.LZCode.Substring(9, 1).ToUpper();
if (array.Contains(_tempCode))
{
var index = array.ToList().IndexOf(_tempCode);
_code = array[index + 1];
}
}
data.LZCode = $"{dt.ToString("yyyyMMdd")}_{_code}_KGB";
context.Entry(data).State = EntityState.Modified;
context.SaveChanges();
}
else
{
LZCodeGenerate entity = new LZCodeGenerate()
{
LZCode = $"{dt.ToString("yyyyMMdd")}_{_code}_KGB",
CurrentDate = dt
};
context.Entry(entity).State = EntityState.Added;
context.SaveChanges();
}
return($"{dt.ToString("yyyyMMdd")}_{_code}_KGB");
}
}