public static int Delete <T, TPrimaryKey>(this SqlConnection conn,
ConditionBuilder condition,
Func <TPrimaryKey> getUserKeyFunc = null,
SqlTransaction trans = null)
{
var info = EntityInfoContainer.Get(typeof(T));
if (!info.IsSoftDelete)
{
var sql = $"DELETE [{info.TableName}] WHERE {condition.ToCondition()}";
return(conn.Execute(sql, condition.ToParameters(), trans));
}
if (info.IsDeleteAudit)
{
var userId = getUserKeyFunc != null?getUserKeyFunc.Invoke() : default;
var sql = $"UPDATE [{info.TableName}] SET IsDel=1,DeleteBy=@UserId,DeleteAt=GetDate() WHERE {condition.ToCondition()}";
var param = condition.ToParameters();
param.Add("UserId", userId);
return(conn.Execute(sql, param, trans));
}
else
{
var sql = $"UPDATE [{info.TableName}] SET IsDel=1 WHERE {condition.ToCondition()}";
return(conn.Execute(sql, condition.ToParameters(), trans));
}
}
public static List <T> PageList <T>(this SqlConnection conn, ConditionBuilder condition, SortBuilder sort,
int pageIndex, int pageSize, out int totalCount, SqlTransaction trans = null)
{
condition = condition ?? ConditionBuilder.New();
sort = sort ?? new SortBuilder();
var info = EntityInfoContainer.Get(typeof(T));
if (info.IsSoftDelete)
{
condition = condition.AndEqual("IsDel", false);
}
var sql = SqlServerSqlBuilder.PagingSelectWithTotalCount(info, condition.ToCondition(), sort.ToOrderBy(),
pageIndex, pageSize);
var parameters = condition.ToParameters();
parameters.Add("RecordCount", dbType: DbType.Int32, direction: ParameterDirection.Output);
var data = conn.Query <T>(sql, parameters, trans);
totalCount = parameters.Get <int>("RecordCount");
return(data.ToList());
}
public void Test1()
{
var builder = new ConditionBuilder<SinglePerson>();
builder &= p => p.Id == 2;
var condition = builder.ToCondition();
var list = DbEntry.From<SinglePerson>().Where(condition).Select();
Assert.AreEqual(1, list.Count);
Assert.AreEqual("Jerry", list[0].Name);
}
public void Test2()
{
var builder = new ConditionBuilder<SinglePerson>();
builder &= p => p.Id == 1;
builder |= p => p.Id == 3;
var condition = builder.ToCondition();
var list = DbEntry.From<SinglePerson>().Where(condition).OrderBy(p => p.Id).Select();
Assert.AreEqual(2, list.Count);
Assert.AreEqual("Tom", list[0].Name);
Assert.AreEqual("Mike", list[1].Name);
}
public void Test1()
{
var builder = new ConditionBuilder <SinglePerson>();
builder &= p => p.Id == 2;
var condition = builder.ToCondition();
var list = DbEntry.From <SinglePerson>().Where(condition).Select();
Assert.AreEqual(1, list.Count);
Assert.AreEqual("Jerry", list[0].Name);
}
public void Test2()
{
var builder = new ConditionBuilder <SinglePerson>();
builder &= p => p.Id == 1;
builder |= p => p.Id == 3;
var condition = builder.ToCondition();
var list = DbEntry.From <SinglePerson>().Where(condition).OrderBy(p => p.Id).Select();
Assert.AreEqual(2, list.Count);
Assert.AreEqual("Tom", list[0].Name);
Assert.AreEqual("Mike", list[1].Name);
}
public static List <T> Fetch <T, T1, T2, T3, T4>(this SqlConnection conn,
string table,
string fields,
Func <T, T1, T2, T3, T4, T> func,
ConditionBuilder condition,
SortBuilder sort, SqlTransaction trans = null)
{
condition = condition ?? ConditionBuilder.New();
sort = sort ?? new SortBuilder();
var sql = $"SELECT {fields} FROM [{table}] WHERE {condition.ToCondition()} ORDER BY {sort.ToOrderBy()}";
return(conn.Query(sql, func, condition.ToParameters(), trans).ToList());
}
public static T FirstOrDefault <T, TPrimaryKey>(
this SqlConnection conn,
string table,
string fields,
ConditionBuilder condition,
SortBuilder sort,
SqlTransaction trans = null)
where T : IBaseEntity <TPrimaryKey>
{
condition = condition ?? ConditionBuilder.New();
sort = sort ?? new SortBuilder();
var sql = SqlServerSqlBuilder.LoadByCondition(table, fields, condition.ToCondition(), sort.ToOrderBy());
return(conn.QueryFirstOrDefault <T>(sql, condition.ToParameters()));
}
public static List <T> PageList <T>(this SqlConnection conn, string table, string fields, ConditionBuilder condition, SortBuilder sort,
int pageIndex, int pageSize, out int totalCount, SqlTransaction trans = null)
{
condition = condition ?? ConditionBuilder.New();
sort = sort ?? new SortBuilder();
var sql = SqlServerSqlBuilder.PagingSelectWithTotalCount(table, fields, condition.ToCondition(), sort.ToOrderBy(),
pageIndex, pageSize);
var parameters = condition.ToParameters();
parameters.Add("RecordCount", dbType: DbType.Int32, direction: ParameterDirection.Output);
var data = conn.Query <T>(sql, parameters, trans);
totalCount = parameters.Get <int>("RecordCount");
return(data.ToList());
}
public static T FirstOrDefault <T, TPrimaryKey>(this SqlConnection conn,
ConditionBuilder condition,
SortBuilder sort,
SqlTransaction trans = null)
where T : IBaseEntity <TPrimaryKey>
{
condition = condition ?? ConditionBuilder.New();
sort = sort ?? new SortBuilder();
var info = EntityInfoContainer.Get(typeof(T));
if (info.IsSoftDelete)
{
condition = condition.AndEqual("IsDel", false);
}
var sql = SqlServerSqlBuilder.LoadByCondition(info, condition.ToCondition(), sort.ToOrderBy());
return(conn.QueryFirstOrDefault <T>(sql, condition.ToParameters()));
}
public IAfterWhere <T> Where(ConditionBuilder <T> where)
{
_where = where.ToCondition();
return(this);
}
public static List <T> Fetch <T>(this SqlConnection conn,
ConditionBuilder condition,
SortBuilder sort,
SqlTransaction trans = null)
{
condition = condition ?? ConditionBuilder.New();
sort = sort ?? new SortBuilder();
var info = EntityInfoContainer.Get(typeof(T));
if (info.IsSoftDelete)
{
condition = condition.AndEqual("IsDel", false);
}
var sql = $"SELECT {info.GetSelectFields()} FROM [{info.TableName}] WHERE {condition.ToCondition()} ORDER BY {sort.ToOrderBy()}";
return(conn.Query <T>(sql, condition.ToParameters(), trans).ToList());
}
/// <summary>
/// 修改指定条件数据的指定字段
/// </summary>
/// <typeparam name="T"></typeparam>
/// <typeparam name="TPrimaryKey"></typeparam>
/// <param name="conn"></param>
/// <param name="fieldValueList">
/// 要修改的字段和值对，注意这里的Field是数据表的字段，而不是实体的属性
/// FieldValuePairs.New().Add(字段, 值).Add(...)
/// 注意：此方法不会忽略已指定为UpdateIgnore的字段
/// </param>
/// <param name="condition"></param>
/// <param name="getUserKeyFunc"></param>
/// <param name="trans"></param>
/// <returns></returns>
public static int Set <T, TPrimaryKey>(this SqlConnection conn,
FieldValuePairs fieldValueList,
ConditionBuilder condition,
Func <TPrimaryKey> getUserKeyFunc = null,
SqlTransaction trans = null) where T : IBaseEntity <TPrimaryKey>
{
condition = condition ?? ConditionBuilder.New();
fieldValueList = fieldValueList ?? FieldValuePairs.New();
var info = EntityInfoContainer.Get(typeof(T));
var userId = getUserKeyFunc != null?getUserKeyFunc.Invoke() : default;
if (info.IsUpdateAudit)
{
if (!fieldValueList.Exists(f => f.Field == "UpdateBy"))
{
fieldValueList.Add("UpdateBy", userId);
}
if (!fieldValueList.Exists(f => f.Field == "UpdateAt"))
{
fieldValueList.Add("UpdateAt", DateTime.Now);
}
}
var stringParameter = fieldValueList.Invoke();
var sql = SqlServerSqlBuilder.UpdateByCondition(info, stringParameter.Sql, condition.ToCondition());
stringParameter.Parameters.AddDynamicParams(condition.ToParameters());
return(conn.Execute(sql, stringParameter.Parameters, trans));
}
