c 封裝Dapper操作類

using

using
using
system.collections.generic;
using
system.configuration;
using
system.data;
using
system.data.sqlclient;
using
system.linq;
using
system.threading.tasks;
namespace
dblibrarys.dbhelper
public
static
sqlconnection getopenconnection()
//////
執行sql返回乙個物件
/// ///
//////
//////
public
static t executereaderreturnt(string sql, object param = null, bool usewriteconn = false, idbtransaction transaction = null
) 
}else
}//////
執行sql返回多個物件
/// ///
//////
//////
public
static listexecutereaderreturnlist(string sql, object param = null, bool usewriteconn = false, idbtransaction transaction = null
) 
}//////
執行sql返回乙個物件--非同步
/// ///
//////
//////
public
static
async taskexecutereaderrettasync(string sql, object param = null, bool usewriteconn = false
) 
}//////
執行sql返回多個物件--非同步
/// ///
//////
//////
public
static
async task> executereaderretlistasync(string sql, object param = null, bool usewriteconn = false
) 
}//////
執行sql，返回影響行數 
/// ///
//////
///public
static
int executesqlint(string sql, object param = null, idbtransaction transaction = null
) 
}else
}//////
執行sql，返回影響行數--非同步
/// ///
//////
///public
static
async task executesqlintasync(string sql, object param = null, idbtransaction transaction = null
) 
}else
}//////
根據id獲取實體
/// ///
//////
//////
public
static t getbyid(int id, idbtransaction transaction = null, bool usewriteconn = false) where t : class
}else
}//////
根據id獲取實體--非同步
/// ///
//////
//////
public
static
async taskgetbyidasync(int id, idbtransaction transaction = null, bool usewriteconn = false) where t : class
}else
}//////
插入實體
/// ///
//////
///public
static
string executeinsert(t item, idbtransaction transaction = null) where t : class
}else
}//////
批量插入實體
/// ///
//////
public
static
void executeinsertlist(ienumerablelist, idbtransaction transaction = null) where t : class
}else
}//////
更新單個實體
/// ///
//////
///public
static
bool executeupdate(t item, idbtransaction transaction = null) where t : class
}else
}//////
批量更新實體
/// ///
//////
///public
static
bool executeupdatelist(listitem, idbtransaction transaction = null) where t : class
}else
}//////
分頁查詢
/// ///
///主sql 不帶 order by
///排序內容 id desc，add_time asc
///第幾頁 ///
每頁多少條
///是否主庫
///public
static listexecutepagelist(string sql, string sort, int pageindex, int pagesize, bool usewriteconn = false, object param = null
) * from (select row_number() over (order by ) _row_number_,* from 
()temp )temp1 where temp1._row_number_> order by _row_number_";
string execsql = string.format(pagesql, pagesize, sort, sql, pagesize * (pageindex - 1
)); 
using (idbconnection conn =getconnection(usewriteconn))}}
}

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