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using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using Dapper;
namespace DapperExtensions.MySQLExt
{
public static class MySQLExt
{
private static readonly ConcurrentDictionary<RuntimeTypeHandle, DapperExtSqls> dapperExtsqlsDict = new ConcurrentDictionary<RuntimeTypeHandle, DapperExtSqls>();
public static DapperExtSqls GetDapperExtSqls(Type t)
{
if (dapperExtsqlsDict.Keys.Contains(t.TypeHandle))
{
return dapperExtsqlsDict[t.TypeHandle];
}
else
{
DapperExtSqls sqls = DapperExtCommon.GetDapperExtSqls(t);
string Fields = DapperExtCommon.GetFieldsStr(sqls.AllFieldList, "`", "`");
string FieldsAt = DapperExtCommon.GetFieldsAtStr(sqls.AllFieldList);
string FieldsEq = DapperExtCommon.GetFieldsEqStr(sqls.AllFieldList, "`", "`");
string FieldsExtKey = DapperExtCommon.GetFieldsStr(sqls.ExceptKeyFieldList, "`", "`");
string FieldsAtExtKey = DapperExtCommon.GetFieldsAtStr(sqls.ExceptKeyFieldList);
string FieldsEqExtKey = DapperExtCommon.GetFieldsEqStr(sqls.ExceptKeyFieldList, "`", "`");
sqls.AllFields = Fields;
if (sqls.HasKey && sqls.IsIdentity) //有主键并且是自增
{
sqls.InsertSql = string.Format("INSERT INTO `{0}`({1})VALUES({2})", sqls.TableName, FieldsExtKey, FieldsAtExtKey);
sqls.InsertIdentitySql = string.Format("INSERT INTO `{0}`({1})VALUES({2})", sqls.TableName, Fields, FieldsAt);
}
else
{
sqls.InsertSql = string.Format("INSERT INTO `{0}`({1})VALUES({2})", sqls.TableName, Fields, FieldsAt);
}
if (sqls.HasKey) //含有主键
{
sqls.DeleteByIdSql = string.Format("DELETE FROM `{0}` WHERE `{1}`=@id", sqls.TableName, sqls.KeyName);
sqls.DeleteByIdsSql = string.Format("DELETE FROM `{0}` WHERE `{1}` IN @ids", sqls.TableName, sqls.KeyName);
sqls.GetByIdSql = string.Format("SELECT {0} FROM `{1}` WHERE `{2}`=@id", Fields, sqls.TableName, sqls.KeyName);
sqls.GetByIdsSql = string.Format("SELECT {0} FROM `{1}` WHERE `{2}` IN @ids", Fields, sqls.TableName, sqls.KeyName);
sqls.UpdateByIdSql = string.Format("UPDATE `{0}` SET {1} WHERE `{2}`=@{2}", sqls.TableName, FieldsEqExtKey, sqls.KeyName);
}
sqls.DeleteAllSql = string.Format("DELETE FROM `{0}`", sqls.TableName);
sqls.GetAllSql = string.Format("SELECT {0} FROM `{1}`", Fields, sqls.TableName);
dapperExtsqlsDict[t.TypeHandle] = sqls;
return sqls;
}
}
/// <summary>
/// 新增
/// </summary>
public static dynamic Insert<T>(this IDbConnection conn, T entity, IDbTransaction transaction = null, int? commandTimeout = null)
{
DapperExtSqls sqls = GetDapperExtSqls(typeof(T));
if (sqls.HasKey && sqls.IsIdentity)
{
switch (sqls.KeyType)
{
case "Int32": return conn.ExecuteScalar<int>(sqls.InsertSql + ";SELECT @@IDENTITY", entity, transaction, commandTimeout); //int
case "Int64": return conn.ExecuteScalar<long>(sqls.InsertSql + ";SELECT @@IDENTITY", entity, transaction, commandTimeout); //long
case "Decimal": return conn.ExecuteScalar<decimal>(sqls.InsertSql + ";SELECT @@IDENTITY", entity, transaction, commandTimeout); //decimal
case "UInt32": return conn.ExecuteScalar<uint>(sqls.InsertSql + ";SELECT @@IDENTITY", entity, transaction, commandTimeout); //uint
case "UInt64": return conn.ExecuteScalar<ulong>(sqls.InsertSql + ";SELECT @@IDENTITY", entity, transaction, commandTimeout); //ulong
case "Double": return conn.ExecuteScalar<double>(sqls.InsertSql + ";SELECT @@IDENTITY", entity, transaction, commandTimeout); //double
case "Single": return conn.ExecuteScalar<float>(sqls.InsertSql + ";SELECT @@IDENTITY", entity, transaction, commandTimeout); //float
case "Byte": return conn.ExecuteScalar<byte>(sqls.InsertSql + ";SELECT @@IDENTITY", entity, transaction, commandTimeout); //byte
case "SByte": return conn.ExecuteScalar<sbyte>(sqls.InsertSql + ";SELECT @@IDENTITY", entity, transaction, commandTimeout); //sbyte
case "Int16": return conn.ExecuteScalar<short>(sqls.InsertSql + ";SELECT @@IDENTITY", entity, transaction, commandTimeout); //short
case "UInt16": return conn.ExecuteScalar<ushort>(sqls.InsertSql + ";SELECT @@IDENTITY", entity, transaction, commandTimeout); //ushort
default: return conn.ExecuteScalar<dynamic>(sqls.InsertSql + ";SELECT @@IDENTITY", entity, transaction, commandTimeout); //dynamic
}
}
else
{
return conn.Execute(sqls.InsertSql, entity, transaction, commandTimeout);
}
}
/// <summary>
/// 新增多条数据
/// </summary>
public static int InsertBatch<T>(this IDbConnection conn, IEnumerable<T> entitys, IDbTransaction transaction = null, int? commandTimeout = null)
{
DapperExtSqls sqls = GetDapperExtSqls(typeof(T));
return conn.Execute(sqls.InsertSql, entitys, transaction, commandTimeout);
}
/// <summary>
/// 新增(插入自增键)
/// </summary>
public static int InsertIdentity<T>(this IDbConnection conn, T entity, IDbTransaction transaction = null, int? commandTimeout = null)
{
DapperExtSqls sqls = GetDapperExtSqls(typeof(T));
if (sqls.HasKey && sqls.IsIdentity)
{
return conn.Execute(sqls.InsertIdentitySql, entity, transaction, commandTimeout);
}
else
{
throw new ArgumentException("表" + sqls.TableName + "没有自增键，无法进行InsertIdentity。");
}
}
/// <summary>
/// 新增多条数据(插入自增键)
/// </summary>
public static int InsertIdentityBatch<T>(this IDbConnection conn, IEnumerable<T> entitys, IDbTransaction transaction = null, int? commandTimeout = null)
{
DapperExtSqls sqls = GetDapperExtSqls(typeof(T));
if (sqls.HasKey && sqls.IsIdentity)
{
return conn.Execute(sqls.InsertIdentitySql, entitys, transaction, commandTimeout);
}
else
{
throw new ArgumentException("表" + sqls.TableName + "没有自增键，无法进行InsertIdentity。");
}
}
/// <summary>
/// 根据Id，若存在则更新，不存在就插入
/// </summary>
public static dynamic InsertOrUpdate<T>(this IDbConnection conn, T entity, string updateFields = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
DapperExtSqls sqls = GetDapperExtSqls(typeof(T));
if (sqls.HasKey)
{
int result = UpdateById<T>(conn, entity, updateFields, transaction, commandTimeout);
if (result == 0)
return Insert<T>(conn, entity, transaction, commandTimeout);
return result;
}
else
{
throw new ArgumentException("表" + sqls.TableName + "没有主键，无法进行InsertOrUpdate。");
}
}
/// <summary>
/// 根据Id，若存在则更新，不存在就插入，连id都一起插入
/// </summary>
public static dynamic InsertOrUpdateIdentity<T>(this IDbConnection conn, T entity, string updateFields = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
DapperExtSqls sqls = GetDapperExtSqls(typeof(T));
if (sqls.HasKey && sqls.IsIdentity)
{
int result = UpdateById<T>(conn, entity, updateFields, transaction, commandTimeout);
if (result == 0)
return InsertIdentity<T>(conn, entity, transaction, commandTimeout);
return result;
}
else
{
throw new ArgumentException("表" + sqls.TableName + "没有自增键，无法进行InsertOrUpdateIdentity。");
}
}
/// <summary>
/// 根据主键返回实体Base
/// returnFields需要返回的列，用逗号隔开。默认null，返回所有列
/// </summary>
private static T GetByIdBase<T>(this IDbConnection conn, Type t, dynamic id, string returnFields = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
DapperExtSqls sqls = GetDapperExtSqls(t);
if (sqls.HasKey)
{
DynamicParameters dpar = new DynamicParameters();
dpar.Add("@id", id);
if (returnFields == null)
{
return conn.QueryFirstOrDefault<T>(sqls.GetByIdSql, dpar, transaction, commandTimeout);
}
else
{
string sql = string.Format("SELECT {0} FROM `{1}` WHERE `{2}`=@id", returnFields, sqls.TableName, sqls.KeyName);
return conn.QueryFirstOrDefault<T>(sql, dpar, transaction, commandTimeout);
}
}
else
{
throw new ArgumentException("表" + sqls.TableName + "没有主键，无法GetById。");
}
}
/// <summary>
/// 根据主键返dynamic
/// returnFields需要返回的列，用逗号隔开。默认null，返回所有列
/// </summary>
public static dynamic GetByIdDynamic<T>(this IDbConnection conn, dynamic id, string returnFields = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
DapperExtSqls sqls = GetDapperExtSqls(typeof(T));
if (sqls.HasKey)
{
DynamicParameters dpar = new DynamicParameters();
dpar.Add("@id", id);
if (returnFields == null)
{
return conn.QueryFirstOrDefault(sqls.GetByIdSql, dpar, transaction, commandTimeout);
}
else
{
string sql = string.Format("SELECT {0} FROM `{1}` WHERE `{2}`=@id", returnFields, sqls.TableName, sqls.KeyName);
return conn.QueryFirstOrDefault(sql, dpar, transaction, commandTimeout);
}
}
else
{
throw new ArgumentException("表" + sqls.TableName + "没有主键，无法GetByIdDynamic。");
}
}
/// <summary>
/// 根据主键返回实体
/// returnFields需要返回的列，用逗号隔开。默认null，返回所有列
/// </summary>
public static T GetById<T>(this IDbConnection conn, dynamic id, string returnFields = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
return GetByIdBase<T>(conn, typeof(T), id, returnFields, transaction, commandTimeout);
}
/// <summary>
/// 根据主键返回任意类型实体
/// returnFields需要返回的列，用逗号隔开。默认null，返回所有列
/// </summary>
public static T GetById<Table, T>(this IDbConnection conn, dynamic id, string returnFields = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
return GetByIdBase<T>(conn, typeof(Table), id, returnFields, transaction, commandTimeout);
}
/// <summary>
/// 根据主键ids返回实体列表
/// returnFields需要返回的列，用逗号隔开。默认null，返回所有列
/// </summary>
private static IEnumerable<T> GetByIdsBase<T>(this IDbConnection conn, Type t, object ids, string returnFields = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
if (DapperExtCommon.ObjectIsEmpty(ids))
return new List<T>();
DapperExtSqls sqls = GetDapperExtSqls(t);
if (sqls.HasKey)
{
DynamicParameters dpar = new DynamicParameters();
dpar.Add("@ids", ids);
if (returnFields == null)
{
return conn.Query<T>(sqls.GetByIdsSql, dpar, transaction, true, commandTimeout);
}
else
{
string sql = string.Format("SELECT {0} FROM `{1}` WHERE `{2}` IN @ids", returnFields, sqls.TableName, sqls.KeyName);
return conn.Query<T>(sql, dpar, transaction, true, commandTimeout);
}
}
else
{
throw new ArgumentException("表" + sqls.TableName + "没有主键，无法GetByIds。");
}
}
/// <summary>
/// 根据主键ids返回dynamic列表
/// returnFields需要返回的列，用逗号隔开。默认null，返回所有列
/// </summary>
public static IEnumerable<dynamic> GetByIdsDynamic<T>(this IDbConnection conn, object ids, string returnFields = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
if (DapperExtCommon.ObjectIsEmpty(ids))
return new List<dynamic>();
DapperExtSqls sqls = GetDapperExtSqls(typeof(T));
if (sqls.HasKey)
{
DynamicParameters dpar = new DynamicParameters();
dpar.Add("@ids", ids);
if (returnFields == null)
{
return conn.Query(sqls.GetByIdsSql, dpar, transaction, true, commandTimeout);
}
else
{
string sql = string.Format("SELECT {0} FROM `{1}` WHERE `{2}` IN @ids", returnFields, sqls.TableName, sqls.KeyName);
return conn.Query(sql, dpar, transaction, true, commandTimeout);
}
}
else
{
throw new ArgumentException("表" + sqls.TableName + "没有主键，无法GetByIdsDynamic。");
}
}
/// <summary>
/// 根据主键ids返回任意类型实体列表
/// returnFields需要返回的列，用逗号隔开。默认null，返回所有列
/// </summary>
public static IEnumerable<T> GetByIds<T>(this IDbConnection conn, object ids, string returnFields = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
return GetByIdsBase<T>(conn, typeof(T), ids, returnFields, transaction, commandTimeout);
}
/// <summary>
/// 根据主键ids返回任意类型实体列表
/// returnFields需要返回的列，用逗号隔开。默认null，返回所有列
/// </summary>
public static IEnumerable<T> GetByIds<Table, T>(this IDbConnection conn, object ids, string returnFields = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
return GetByIdsBase<T>(conn, typeof(Table), ids, returnFields, transaction, commandTimeout);
}
/// <summary>
/// 返回整张表数据
/// returnFields需要返回的列，用逗号隔开。默认null，返回所有列
/// </summary>
private static IEnumerable<T> GetAllBase<T>(this IDbConnection conn, Type t, string returnFields = null, string orderby = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
DapperExtSqls sqls = GetDapperExtSqls(t);
if (returnFields == null)
{
return conn.Query<T>(sqls.GetAllSql + " " + orderby, null, transaction, true, commandTimeout);
}
else
{
string sql = string.Format("SELECT {0} FROM `{1}` " + orderby, returnFields, sqls.TableName);
return conn.Query<T>(sql, null, transaction, true, commandTimeout);
}
}
/// <summary>
/// 返回整张表数据
/// returnFields需要返回的列，用逗号隔开。默认null，返回所有列
/// </summary>
public static IEnumerable<dynamic> GetAllDynamic<T>(this IDbConnection conn, string returnFields = null, string orderby = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
DapperExtSqls sqls = GetDapperExtSqls(typeof(T));
if (returnFields == null)
{
return conn.Query(sqls.GetAllSql + " " + orderby, null, transaction, true, commandTimeout);
}
else
{
string sql = string.Format("SELECT {0} FROM `{1}` " + orderby, returnFields, sqls.TableName);
return conn.Query(sql, null, transaction, true, commandTimeout);
}
}
/// <summary>
/// 返回整张表数据
/// returnFields需要返回的列，用逗号隔开。默认null，返回所有列
/// </summary>
public static IEnumerable<T> GetAll<T>(this IDbConnection conn, string returnFields = null, string orderby = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
return GetAllBase<T>(conn, typeof(T), returnFields, orderby, transaction, commandTimeout);
}
/// <summary>
/// 返回整张表任意类型数据
/// returnFields需要返回的列，用逗号隔开。默认null，返回所有列
/// </summary>
public static IEnumerable<T> GetAll<Table, T>(this IDbConnection conn, string returnFields = null, string orderby = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
return GetAllBase<T>(conn, typeof(Table), returnFields, orderby, transaction, commandTimeout);
}
/// <summary>
/// 根据主键删除数据
/// </summary>
public static int DeleteById<T>(this IDbConnection conn, dynamic id, IDbTransaction transaction = null, int? commandTimeout = null)
{
DapperExtSqls sqls = GetDapperExtSqls(typeof(T));
if (sqls.HasKey)
{
DynamicParameters dpar = new DynamicParameters();
dpar.Add("@id", id);
return conn.Execute(sqls.DeleteByIdSql, dpar, transaction, commandTimeout);
}
else
{
throw new ArgumentException("表" + sqls.TableName + "没有主键，无法DeleteById。");
}
}
/// <summary>
/// 根据主键批量删除数据
/// </summary>
public static int DeleteByIds<T>(this IDbConnection conn, object ids, IDbTransaction transaction = null, int? commandTimeout = null)
{
if (DapperExtCommon.ObjectIsEmpty(ids))
return 0;
DapperExtSqls sqls = GetDapperExtSqls(typeof(T));
if (sqls.HasKey)
{
DynamicParameters dpar = new DynamicParameters();
dpar.Add("@ids", ids);
return conn.Execute(sqls.DeleteByIdsSql, dpar, transaction, commandTimeout);
}
else
{
throw new ArgumentException("表" + sqls.TableName + "没有主键，无法DeleteById。");
}
}
/// <summary>
/// 删除整张表数据
/// </summary>
public static int DeleteAll<T>(this IDbConnection conn, IDbTransaction transaction = null, int? commandTimeout = null)
{
DapperExtSqls sqls = GetDapperExtSqls(typeof(T));
return conn.Execute(sqls.DeleteAllSql, null, transaction, commandTimeout);
}
/// <summary>
/// 根据条件删除
/// </summary>
public static int DeleteByWhere<T>(this IDbConnection conn, string where, object param = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
DapperExtSqls sqls = GetDapperExtSqls(typeof(T));
string sql = string.Format("DELETE FROM `{0}` {1}", sqls.TableName, where);
return conn.Execute(sql, param, transaction, commandTimeout);
}
/// <summary>
/// 根据主键修改数据
/// </summary>
public static int UpdateById<T>(this IDbConnection conn, T entity, string updateFields = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
DapperExtSqls sqls = GetDapperExtSqls(typeof(T));
if (sqls.HasKey)
{
if (updateFields == null)
{
return conn.Execute(sqls.UpdateByIdSql, entity, transaction, commandTimeout);
}
else
{
string updateList = DapperExtCommon.GetFieldsEqStr(updateFields.Split(',').ToList(), "`", "`");
string sql = string.Format("UPDATE `{0}` SET {1} WHERE `{2}`=@{2}", sqls.TableName, updateList, sqls.KeyName);
return conn.Execute(sql, entity, transaction, commandTimeout);
}
}
else
{
throw new ArgumentException("表" + sqls.TableName + "没有主键，无法UpdateById。");
}
}
/// <summary>
/// 根据主键修改数据
/// </summary>
public static int UpdateByIdBatch<T>(this IDbConnection conn, IEnumerable<T> entitys, string updateFields = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
DapperExtSqls sqls = GetDapperExtSqls(typeof(T));
if (sqls.HasKey)
{
if (updateFields == null)
{
return conn.Execute(sqls.UpdateByIdSql, entitys, transaction, commandTimeout);
}
else
{
string updateList = DapperExtCommon.GetFieldsEqStr(updateFields.Split(',').ToList(), "`", "`");
string sql = string.Format("UPDATE `{0}` SET {1} WHERE `{2}`=@{2}", sqls.TableName, updateList, sqls.KeyName);
return conn.Execute(sql, entitys, transaction, commandTimeout);
}
}
else
{
throw new ArgumentException("表" + sqls.TableName + "没有主键，无法UpdateById。");
}
}
/// <summary>
/// 根据条件修改数据
/// </summary>
public static int UpdateByWhere<T>(this IDbConnection conn, string where, string updateFields, object entity, IDbTransaction transaction = null, int? commandTimeout = null)
{
DapperExtSqls sqls = GetDapperExtSqls(typeof(T));
updateFields = DapperExtCommon.GetFieldsEqStr(updateFields.Split(',').ToList(), "`", "`");
string sql = string.Format("UPDATE `{0}` SET {1} {2}", sqls.TableName, updateFields, where);
return conn.Execute(sql, entity, transaction, commandTimeout);
}
/// <summary>
/// 获取总数
/// </summary>
/// <returns></returns>
public static long GetTotal<T>(this IDbConnection conn, string where = null, object param = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
DapperExtSqls sqls = GetDapperExtSqls(typeof(T));
string sql = string.Format("SELECT COUNT(1) FROM `{0}` {1}", sqls.TableName, where);
return conn.ExecuteScalar<long>(sql, param, transaction, commandTimeout);
}
/// <summary>
/// Base获取数据,使用skip 和take
/// </summary>
/// <returns></returns>
private static IEnumerable<T> GetBySkipBase<T>(this IDbConnection conn, Type t, int skip, int take, string returnFields = null, string where = null, object param = null, string orderBy = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
DapperExtSqls sqls = GetDapperExtSqls(t);
if (returnFields == null)
returnFields = sqls.AllFields;
if (orderBy == null)
{
if (sqls.HasKey)
{
orderBy = string.Format("ORDER BY `{0}` DESC", sqls.KeyName);
}
else
{
orderBy = string.Format("ORDER BY `{0}`", sqls.AllFieldList.First());
}
}
string sql = string.Format("SELECT {0} FROM `{1}` {2} {3} LIMIT {4},{5}", returnFields, sqls.TableName, where, orderBy, skip, take);
return conn.Query<T>(sql, param, transaction, true, commandTimeout);
}
/// <summary>
/// 获取dynamic数据,使用skip 和take
/// </summary>
/// <returns></returns>
public static IEnumerable<dynamic> GetBySkipDynamic<T>(this IDbConnection conn, int skip, int take, string returnFields = null, string where = null, object param = null, string orderBy = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
DapperExtSqls sqls = GetDapperExtSqls(typeof(T));
if (returnFields == null)
returnFields = sqls.AllFields;
if (orderBy == null)
{
if (sqls.HasKey)
{
orderBy = string.Format("ORDER BY `{0}` DESC", sqls.KeyName);
}
else
{
orderBy = string.Format("ORDER BY `{0}`", sqls.AllFieldList.First());
}
}
string sql = string.Format("SELECT {0} FROM `{1}` {2} {3} LIMIT {4},{5}", returnFields, sqls.TableName, where, orderBy, skip, take);
return conn.Query(sql, param, transaction, true, commandTimeout);
}
/// <summary>
/// 获取dynamic分页数据
/// </summary>
public static IEnumerable<dynamic> GetByPageIndexDynamic<T>(this IDbConnection conn, int pageIndex, int pageSize, string returnFields = null, string where = null, object param = null, string orderBy = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
int skip = 0;
if (pageIndex > 0)
{
skip = (pageIndex - 1) * pageSize;
}
return GetBySkipDynamic<T>(conn, skip, pageSize, returnFields, where, param, orderBy, transaction, commandTimeout);
}
/// <summary>
/// 获取数据,使用skip 和take
/// </summary>
/// <returns></returns>
public static IEnumerable<T> GetBySkip<T>(this IDbConnection conn, int skip, int take, string returnFields = null, string where = null, object param = null, string orderBy = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
return GetBySkipBase<T>(conn, typeof(T), skip, take, returnFields, where, param, orderBy, transaction, commandTimeout);
}
/// <summary>
/// 获取数据，使用skip 和take,返回任意类型数据
/// </summary>
/// <returns></returns>
public static IEnumerable<T> GetBySkip<Table, T>(this IDbConnection conn, int skip, int take, string returnFields = null, string where = null, object param = null, string orderBy = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
return GetBySkipBase<T>(conn, typeof(Table), skip, take, returnFields, where, param, orderBy, transaction, commandTimeout);
}
/// <summary>
/// 获取分页数据
/// </summary>
public static IEnumerable<T> GetByPageIndex<T>(this IDbConnection conn, int pageIndex, int pageSize, string returnFields = null, string where = null, object param = null, string orderBy = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
int skip = 0;
if (pageIndex > 0)
{
skip = (pageIndex - 1) * pageSize;
}
return GetBySkip<T>(conn, skip, pageSize, returnFields, where, param, orderBy, transaction, commandTimeout);
}
/// <summary>
/// 获取分页数据,返回任意类型数据
/// </summary>
public static IEnumerable<T> GetByPageIndex<Table, T>(this IDbConnection conn, int pageIndex, int pageSize, string returnFields = null, string where = null, object param = null, string orderBy = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
int skip = 0;
if (pageIndex > 0)
{
skip = (pageIndex - 1) * pageSize;
}
return GetBySkip<Table, T>(conn, skip, pageSize, returnFields, where, param, orderBy, transaction, commandTimeout);
}
/// <summary>
/// 根据查询条件获取数据
/// </summary>
private static IEnumerable<T> GetByWhereBase<T>(this IDbConnection conn, Type t, string where = null, object param = null, string returnFields = null, string orderBy = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
DapperExtSqls sqls = GetDapperExtSqls(t);
if (returnFields == null)
returnFields = sqls.AllFields;
string sql = string.Format("SELECT {0} FROM `{1}` {2} {3}", returnFields, sqls.TableName, where, orderBy);
return conn.Query<T>(sql, param, transaction, true, commandTimeout);
}
/// <summary>
/// 根据查询条件获取Dynamic数据
/// </summary>
public static IEnumerable<dynamic> GetByWhereDynamic<T>(this IDbConnection conn, string where = null, object param = null, string returnFields = null, string orderBy = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
DapperExtSqls sqls = GetDapperExtSqls(typeof(T));
if (returnFields == null)
returnFields = sqls.AllFields;
string sql = string.Format("SELECT {0} FROM `{1}` {2} {3}", returnFields, sqls.TableName, where, orderBy);
return conn.Query(sql, param, transaction, true, commandTimeout);
}
/// <summary>
/// 根据查询条件获取数据
/// </summary>
public static IEnumerable<T> GetByWhere<T>(this IDbConnection conn, string where = null, object param = null, string returnFields = null, string orderBy = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
return GetByWhereBase<T>(conn, typeof(T), where, param, returnFields, orderBy, transaction, commandTimeout);
}
/// <summary>
/// 根据查询条件获取数据
/// </summary>
public static IEnumerable<T> GetByWhere<Table, T>(this IDbConnection conn, string where = null, object param = null, string returnFields = null, string orderBy = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
return GetByWhereBase<T>(conn, typeof(Table), where, param, returnFields, orderBy, transaction, commandTimeout);
}
/// <summary>
/// 返回DataTable
/// </summary>
public static DataTable GetDataTable(this IDbConnection conn, string sql, object param = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
return DapperExtAllSQL.GetDataTableBase(conn, sql, param, transaction, commandTimeout);
}
/// <summary>
/// 返回DataSet
/// </summary>
public static DataSet GetDataSet(this IDbConnection conn, string sql, object param = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
return DapperExtAllSQL.GetDataSetBase(conn, sql, param, transaction, commandTimeout);
}
/// <summary>
/// 获取表结构，返回DataTable
/// </summary>
public static DataTable GetSchemaTable<T>(this IDbConnection conn, string returnFields = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
DapperExtSqls sqls = GetDapperExtSqls(typeof(T));
if (returnFields == null)
{
returnFields = sqls.AllFields;
}
string sql = string.Format("SELECT {0} FROM `{1}` LIMIT 0", returnFields, sqls.TableName);
return GetDataTable(conn, sql, null, transaction, commandTimeout);
}
/// <summary>
/// 获取分页数据
/// </summary>
private static IEnumerable<T> GetByPageBase<T>(this IDbConnection conn, Type t, int pageIndex, int pageSize, out long total, string returnFields = null, string where = null, object param = null, string orderBy = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
DapperExtSqls sqls = GetDapperExtSqls(t);
if (returnFields == null)
returnFields = sqls.AllFields;
if (orderBy == null)
{
if (sqls.HasKey)
{
orderBy = string.Format("ORDER BY `{0}` DESC", sqls.KeyName);
}
else
{
orderBy = string.Format("ORDER BY `{0}`", sqls.AllFieldList.First());
}
}
int skip = 0;
if (pageIndex > 0)
{
skip = (pageIndex - 1) * pageSize;
}
StringBuilder sb = new StringBuilder();
sb.AppendFormat("SELECT COUNT(1) FROM `{0}` {1};", sqls.TableName, where);
sb.AppendFormat("SELECT {0} FROM `{1}` {2} {3} LIMIT {4},{5}", returnFields, sqls.TableName, where, orderBy, skip, pageSize);
using (var reader = conn.QueryMultiple(sb.ToString(), param, transaction, commandTimeout))
{
total = reader.ReadFirst<long>();
return reader.Read<T>();
}
}
/// <summary>
/// 获取分页数据
/// </summary>
public static IEnumerable<dynamic> GetByPageDynamic<T>(this IDbConnection conn, int pageIndex, int pageSize, out long total, string returnFields = null, string where = null, object param = null, string orderBy = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
DapperExtSqls sqls = GetDapperExtSqls(typeof(T));
if (returnFields == null)
returnFields = sqls.AllFields;
if (orderBy == null)
{
if (sqls.HasKey)
{
orderBy = string.Format("ORDER BY `{0}` DESC", sqls.KeyName);
}
else
{
orderBy = string.Format("ORDER BY `{0}`", sqls.AllFieldList.First());
}
}
int skip = 0;
if (pageIndex > 0)
{
skip = (pageIndex - 1) * pageSize;
}
StringBuilder sb = new StringBuilder();
sb.AppendFormat("SELECT COUNT(1) FROM `{0}` {1};", sqls.TableName, where);
sb.AppendFormat("SELECT {0} FROM `{1}` {2} {3} LIMIT {4},{5}", returnFields, sqls.TableName, where, orderBy, skip, pageSize);
using (var reader = conn.QueryMultiple(sb.ToString(), param, transaction, commandTimeout))
{
total = reader.ReadFirst<long>();
return reader.Read();
}
}
/// <summary>
/// 获取分页数据
/// </summary>
public static IEnumerable<T> GetByPage<T>(this IDbConnection conn, int pageIndex, int pageSize, out long total, string returnFields = null, string where = null, object param = null, string orderBy = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
return GetByPageBase<T>(conn, typeof(T), pageIndex, pageSize, out total, returnFields, where, param, orderBy, transaction, commandTimeout);
}
/// <summary>
/// 获取分页数据
/// </summary>
public static IEnumerable<T> GetByPage<Table, T>(this IDbConnection conn, int pageIndex, int pageSize, out long total, string returnFields = null, string where = null, object param = null, string orderBy = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
return GetByPageBase<T>(conn, typeof(Table), pageIndex, pageSize, out total, returnFields, where, param, orderBy, transaction, commandTimeout);
}
/// <summary>
/// 根据查询条件获取数据
/// </summary>
private static T GetByWhereFirstBase<T>(this IDbConnection conn, Type t, string where = null, object param = null, string returnFields = null, string orderBy = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
DapperExtSqls sqls = GetDapperExtSqls(t);
if (returnFields == null)
returnFields = sqls.AllFields;
string sql = string.Format("SELECT {0} FROM `{1}` {2} {3}", returnFields, sqls.TableName, where, orderBy);
return conn.QueryFirstOrDefault<T>(sql, param, transaction, commandTimeout);
}
/// <summary>
/// 根据查询条件获取Dynamic数据
/// </summary>
public static dynamic GetByWhereFirstDynamic<T>(this IDbConnection conn, string where = null, object param = null, string returnFields = null, string orderBy = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
DapperExtSqls sqls = GetDapperExtSqls(typeof(T));
if (returnFields == null)
returnFields = sqls.AllFields;
string sql = string.Format("SELECT {0} FROM `{1}` {2} {3}", returnFields, sqls.TableName, where, orderBy);
return conn.QueryFirstOrDefault(sql, param, transaction, commandTimeout);
}
/// <summary>
/// 根据查询条件获取数据
/// </summary>
public static T GetByWhereFirst<T>(this IDbConnection conn, string where = null, object param = null, string returnFields = null, string orderBy = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
return GetByWhereFirstBase<T>(conn, typeof(T), where, param, returnFields, orderBy, transaction, commandTimeout);
}
/// <summary>
/// 根据查询条件获取数据
/// </summary>
public static T GetByWhereFirst<Table, T>(this IDbConnection conn, string where = null, object param = null, string returnFields = null, string orderBy = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
return GetByWhereFirstBase<T>(conn, typeof(Table), where, param, returnFields, orderBy, transaction, commandTimeout);
}
private static IEnumerable<T> GetByInBase<T>(this IDbConnection conn, Type t, string field, object ids, string returnFields = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
if (DapperExtCommon.ObjectIsEmpty(ids))
return new List<T>();
DapperExtSqls sqls = GetDapperExtSqls(t);
DynamicParameters dpar = new DynamicParameters();
dpar.Add("@ids", ids);
if (returnFields == null)
returnFields = sqls.AllFields;
string sql = string.Format("SELECT {0} FROM `{1}` WHERE `{2}` IN @ids", returnFields, sqls.TableName, field);
return conn.Query<T>(sql, dpar, transaction, true, commandTimeout);
}
public static IEnumerable<dynamic> GetByInDynamic<T>(this IDbConnection conn, string field, object ids, string returnFields = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
if (DapperExtCommon.ObjectIsEmpty(ids))
return new List<dynamic>();
DapperExtSqls sqls = GetDapperExtSqls(typeof(T));
DynamicParameters dpar = new DynamicParameters();
dpar.Add("@ids", ids);
if (returnFields == null)
returnFields = sqls.AllFields;
string sql = string.Format("SELECT {0} FROM `{1}` WHERE `{2}` IN @ids", returnFields, sqls.TableName, field);
return conn.Query(sql, dpar, transaction, true, commandTimeout);
}
public static IEnumerable<T> GetByIn<T>(this IDbConnection conn, string field, object ids, string returnFields = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
return GetByInBase<T>(conn, typeof(T), field, ids, returnFields, transaction, commandTimeout);
}
public static IEnumerable<T> GetByIn<Table, T>(this IDbConnection conn, string field, object ids, string returnFields = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
return GetByInBase<T>(conn, typeof(Table), field, ids, returnFields, transaction, commandTimeout);
}
/// <summary>
/// 获取分页数据 联合查询
/// </summary>
public static IEnumerable<T> GetByPageUnite<T>(this IDbConnection conn, int pageIndex, int pageSize, out long total, string returnFields = null, string where = null, object param = null, string orderBy = null, IDbTransaction transaction = null, int? commandTimeout = null)
{
int skip = 0;
if (pageIndex > 0)
{
skip = (pageIndex - 1) * pageSize;
}
StringBuilder sb = new StringBuilder();
sb.AppendFormat("SELECT COUNT(1) FROM {0};", where);
sb.AppendFormat("SELECT {0} FROM {1} {2} LIMIT {3},{4}", returnFields, where, orderBy, skip, pageSize);
using (var reader = conn.QueryMultiple(sb.ToString(), param, transaction, commandTimeout))
{
total = reader.ReadFirst<long>();
return reader.Read<T>();
}
}
}
}
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