Reflection实现通用增删改
新增
/// <summary>
/// 通用新增方法
/// </summary>
/// <param name="arr">一行数据封装的集合</param>
/// <param name="tableName">表名</param>
/// <returns>结果 为true成功</returns>
public bool Insert(Dictionary<string, object> arr, string tableName)
{
SqlConnection con = new SqlConnection(ConnectionString);
try
{
con.Open(); string sql = "insert into " + tableName + "(";
string sql2 = ")values("; SqlCommand com = new SqlCommand(sql, con); foreach (KeyValuePair<string, object> ar in arr)
{
//跳过未赋值的属性
if (ar.Value == null)
{
continue;
}
sql += ar.Key + ",";
sql2 += "@" + ar.Key + ",";
SqlParameter sp = new SqlParameter("@" + ar.Key, ar.Value.GetType());
sp.Value = ar.Value;
com.Parameters.Add(sp);
}
com.CommandText = sql.Substring(, sql.Length - ) + sql2.Substring(, sql2.Length - ) + ")"; return Convert.ToBoolean(com.ExecuteNonQuery());
}
catch (Exception)
{
return false;
}
finally
{
if (con.State == ConnectionState.Open)
con.Close();
}
}
/// <summary>
/// 通用新增方法(批量)
/// </summary>
/// <param name="arr">多行数据封装的集合</param>
/// <param name="tableName">表名</param>
/// <returns>结果 为true 成功</returns>
public bool Inserts(List<Dictionary<string, object>> arr, string tableName)
{
SqlConnection con = new SqlConnection(ConnectionString);
SqlTransaction tr = con.BeginTransaction();
try
{
con.Open(); foreach (Dictionary<string, object> ar in arr)
{
string sql = "insert into " + tableName + "(";
string sql2 = ")values(";
SqlCommand com = new SqlCommand(sql, con);
com.Transaction = tr;
foreach (KeyValuePair<string, object> ak in ar)
{
//跳过未赋值的属性
if (ak.Value == null)
{
continue;
}
sql += ak.Key + ",";
sql2 += "@" + ak.Key + ",";
SqlParameter sp = new SqlParameter("@" + ak.Key, ak.Value.GetType());
sp.Value = ak.Value;
com.Parameters.Add(sp);
}
com.CommandText = sql.Substring(, sql.Length - ) + sql2.Substring(, sql2.Length - ) + ")";
com.ExecuteNonQuery();
} tr.Commit();
return true;
}
catch (Exception)
{
tr.Rollback();
return false;
}
finally
{
if (con.State == ConnectionState.Open) con.Close();
}
}
/// <summary>
/// 通用新增方法
/// </summary>
/// <param name="entity">实体</param>
/// <returns></returns>
public bool Insert(object entity)
{
if (entity == null)
{
return false;
}
SqlConnection con = new SqlConnection(ConnectionString);
try
{
con.Open(); Type t = entity.GetType();
string tableName = entity.GetType().Name;
System.Reflection.PropertyInfo[] pars = t.GetProperties(); string sql = "insert into " + tableName + "(";
string sql2 = ")values("; SqlCommand com = new SqlCommand(sql, con);
foreach (System.Reflection.PropertyInfo p in pars)
{
//跳过未赋值的属性
if (p.GetValue(entity, null) == null)
{
continue;
}
sql += p.Name + ",";
sql2 += "@" + p.Name + ",";
SqlParameter sp = new SqlParameter("@" + p.Name, p.PropertyType);
sp.Value = p.GetValue(entity, null);
com.Parameters.Add(sp);
}
com.CommandText = sql.Substring(, sql.Length - ) + sql2.Substring(, sql2.Length - ) + ")";
return Convert.ToBoolean(com.ExecuteNonQuery());
}
catch (Exception)
{
return false;
}
finally
{
if (con.State == ConnectionState.Open) con.Close();
}
}
/// <summary>
/// 通用新增方法
/// </summary>
/// <param name="entity">实体</param>
/// <param name="tableName">表名</param>
/// <returns></returns>
public bool Insert(object entity, string tableName)
{
if (entity == null)
{
return false;
}
SqlConnection con = new SqlConnection(ConnectionString);
try
{
con.Open(); Type t = entity.GetType();
System.Reflection.PropertyInfo[] pars = t.GetProperties(); string sql = "insert into " + tableName + "(";
string sql2 = ")values("; SqlCommand com = new SqlCommand(sql, con);
foreach (System.Reflection.PropertyInfo p in pars)
{
//跳过未赋值的属性
if (p.GetValue(entity, null) == null)
{
continue;
}
sql += p.Name + ",";
sql2 += "@" + p.Name + ",";
SqlParameter sp = new SqlParameter("@" + p.Name, p.PropertyType);
sp.Value = p.GetValue(entity, null);
com.Parameters.Add(sp);
}
com.CommandText = sql.Substring(, sql.Length - ) + sql2.Substring(, sql2.Length - ) + ")";
return Convert.ToBoolean(com.ExecuteNonQuery());
}
catch (Exception)
{
return false;
}
finally
{
if (con.State == ConnectionState.Open) con.Close();
}
}
/// <summary>
/// 通用新增方法(批量)
/// </summary>
/// <param name="entitys">批量实体集合</param>
/// <returns></returns>
public bool Inserts(List<object> entitys)
{
SqlConnection con = new SqlConnection(ConnectionString);
SqlTransaction tr = con.BeginTransaction();
try
{
con.Open();
foreach (object entity in entitys)
{
if (entity == null)
{
continue;
}
Type t = entity.GetType();
string tableName = entity.GetType().Name;
System.Reflection.PropertyInfo[] pars = t.GetProperties(); string sql = "insert into " + tableName + "(";
string sql2 = ")values("; SqlCommand com = new SqlCommand(sql, con);
com.Transaction = tr;
foreach (System.Reflection.PropertyInfo p in pars)
{
//跳过未赋值的属性
if (p.GetValue(entity, null) == null)
{
continue;
}
sql += p.Name + ",";
sql2 += "@" + p.Name + ",";
SqlParameter sp = new SqlParameter("@" + p.Name, p.PropertyType);
sp.Value = p.GetValue(entity, null);
com.Parameters.Add(sp);
}
com.CommandText = sql.Substring(, sql.Length - ) + sql2.Substring(, sql2.Length - ) + ")";
}
tr.Commit();
return true;
}
catch (Exception)
{
tr.Rollback();
return false;
}
finally
{
if (con.State == ConnectionState.Open) con.Close();
}
}
/// <summary>
/// 通用新增方法(批量)
/// </summary>
/// <param name="entitys">批量实体集合</param>
/// <param name="tableName">表名</param>
/// <returns></returns>
public bool Inserts(List<object> entitys, string tableName)
{
SqlConnection con = new SqlConnection(ConnectionString); ;
SqlTransaction tr = con.BeginTransaction();
try
{
con.Open();
foreach (object entity in entitys)
{
if (entity == null)
{
continue;
}
Type t = entity.GetType();
System.Reflection.PropertyInfo[] pars = t.GetProperties(); string sql = "insert into " + tableName + "(";
string sql2 = ")values("; SqlCommand com = new SqlCommand(sql, con);
com.Transaction = tr;
foreach (System.Reflection.PropertyInfo p in pars)
{
//跳过未赋值的属性
if (p.GetValue(entity, null) == null)
{
continue;
}
sql += p.Name + ",";
sql2 += "@" + p.Name + ",";
SqlParameter sp = new SqlParameter("@" + p.Name, p.PropertyType);
sp.Value = p.GetValue(entity, null);
com.Parameters.Add(sp);
}
com.CommandText = sql.Substring(, sql.Length - ) + sql2.Substring(, sql2.Length - ) + ")";
}
tr.Commit();
return true;
}
catch (Exception)
{
tr.Rollback();
return false;
}
finally
{
if (con.State == ConnectionState.Open) con.Close();
}
}
修改
/// <summary>
/// 通用更新方法
/// </summary>
/// <param name="arr">要更新的数据集合(主键值必须存在于数据表中)</param>
/// <param name="tableName">表名</param>
/// <returns></returns>
public bool Update(Dictionary<string, object> arr, string tableName)
{
SqlConnection con = new SqlConnection(ConnectionString);
try
{
con.Open();
string sql = "UPDATE " + tableName + " SET ";
SqlCommand com = new SqlCommand(sql, con); foreach (KeyValuePair<string, object> ar in arr)
{
//跳过未赋值的属性
if (ar.Value == null)
{
continue;
}
SqlParameter sp = new SqlParameter("@" + ar.Key, ar.Value.GetType());
sp.Value = ar.Value;
com.Parameters.Add(sp);
//判断是否是主键
if (IsPrimaryKey(ar.Key, tableName))
{
continue;
}
sql += ar.Key + "=@" + ar.Key + ",";
}
sql = sql.Substring(, sql.Length - ) + " WHERE ";
List<Dictionary<string, object>> keys = Select("sp_pkeys " + tableName);
foreach (Dictionary<string, object> a in keys)
{
sql += a["COLUMN_NAME"] + "=@" + a["COLUMN_NAME"] + " and ";
}
com.CommandText = sql.Substring(, sql.Length - );
return Convert.ToBoolean(com.ExecuteNonQuery());
}
catch (Exception)
{
return false;
}
finally
{
if (con.State == ConnectionState.Open) con.Close();
}
}
/// <summary>
/// 通用更新方法(批量)
/// </summary>
/// <param name="arr">批量数据集合</param>
/// <param name="tableName">表名</param>
/// <returns></returns>
public bool Updates(List<Dictionary<string, object>> arr, string tableName)
{
SqlConnection con = new SqlConnection(ConnectionString);
SqlTransaction tr = con.BeginTransaction();
try
{
con.Open(); List<Dictionary<string, object>> keys = Select("sp_pkeys " + tableName); foreach (Dictionary<string, object> ar in arr)
{ string sql = "UPDATE " + tableName + " SET ";
SqlCommand com = new SqlCommand(sql, con);
com.Transaction = tr; foreach (KeyValuePair<string, object> a in ar)
{
//跳过未赋值的属性
if (a.Value == null)
{
continue;
}
SqlParameter sp = new SqlParameter("@" + a.Key, a.Value.GetType());
sp.Value = a.Value;
com.Parameters.Add(sp);
//判断是否是主键
if (IsPrimaryKey(a.Key, tableName))
{
continue;
}
sql += a.Key + "=@" + a.Key + ",";
}
sql = sql.Substring(, sql.Length - ) + " WHERE "; foreach (Dictionary<string, object> a in keys)
{
sql += a["COLUMN_NAME"] + "=@" + a["COLUMN_NAME"] + " and ";
} com.CommandText = sql.Substring(, sql.Length - );
com.ExecuteNonQuery();
}
tr.Commit();
return true;
}
catch (Exception)
{
tr.Rollback();
return false;
}
finally
{
if (con.State == ConnectionState.Open) con.Close();
}
}
/// <summary>
/// 通用新增（实体）
/// </summary>
/// <param name="entity">封装一行数据的实体</param>
/// <param name="tableName">表名</param>
/// <returns></returns>
public bool Update(object entity, string tableName)
{
if (entity == null)
{
return false;
}
SqlConnection con = new SqlConnection(ConnectionString);
try
{
con.Open(); Type t = entity.GetType();
System.Reflection.PropertyInfo[] pt = t.GetProperties(); string sql = "UPDATE " + tableName + " SET ";
SqlCommand com = new SqlCommand(sql, con); foreach (System.Reflection.PropertyInfo p in pt)
{
//跳过未赋值的属性
if (p.GetValue(entity, null) == null)
{
continue;
} SqlParameter sp = new SqlParameter("@" + p.Name, p.PropertyType);
sp.Value = p.GetValue(entity, null);
com.Parameters.Add(sp);
//判断是否是主键
if (IsPrimaryKey(p.Name, tableName))
{
continue;
}
sql += p.Name + "=@" + p.Name + ",";
}
sql = sql.Substring(, sql.Length - ) + " WHERE "; List<Dictionary<string, object>> keys = Select("sp_pkeys " + tableName); foreach (Dictionary<string, object> a in keys)
{
sql += a["COLUMN_NAME"] + "=@" + a["COLUMN_NAME"] + " and ";
}
com.CommandText = sql.Substring(, sql.Length - );
return Convert.ToBoolean(com.ExecuteNonQuery());
}
catch (Exception)
{
return false;
}
finally
{
if (con.State == ConnectionState.Open) con.Close();
}
}
/// <summary>
/// 通用修改（实体）
/// </summary>
/// <param name="entity">封装一行数据的实体</param>
/// <returns></returns>
public bool Update(object entity)
{
if (entity == null)
{
return false;
}
SqlConnection con = new SqlConnection(ConnectionString);
try
{
con.Open(); Type t = entity.GetType();
string tableName = entity.GetType().Name;
System.Reflection.PropertyInfo[] pt = t.GetProperties(); string sql = "UPDATE " + tableName + " SET ";
SqlCommand com = new SqlCommand(sql, con); foreach (System.Reflection.PropertyInfo p in pt)
{
//跳过未赋值的属性
if (p.GetValue(entity, null) == null)
{
continue;
}
SqlParameter sp = new SqlParameter("@" + p.Name, p.PropertyType);
sp.Value = p.GetValue(entity, null);
com.Parameters.Add(sp);
//判断是否是主键
if (IsPrimaryKey(p.Name, tableName))
{
continue;
}
sql += p.Name + "=@" + p.Name + ",";
}
sql = sql.Substring(, sql.Length - ) + " WHERE "; List<Dictionary<string, object>> keys = Select("sp_pkeys " + tableName); foreach (Dictionary<string, object> a in keys)
{
sql += a["COLUMN_NAME"] + "=@" + a["COLUMN_NAME"] + " and ";
}
com.CommandText = sql.Substring(, sql.Length - );
return Convert.ToBoolean(com.ExecuteNonQuery());
}
catch (Exception)
{
return false;
}
finally
{
if (con.State == ConnectionState.Open) con.Close();
}
}
/// <summary>
/// 通用更新方法(批量实体)
/// </summary>
/// <param name="entitys">批量数据行实体</param>
/// <returns></returns>
public bool Updates(List<object> entitys)
{
SqlConnection con = new SqlConnection(ConnectionString);
SqlTransaction tr = con.BeginTransaction();
try
{
con.Open(); foreach (object entity in entitys)
{
if (entity == null)
{
continue;
}
Type t = entity.GetType();
string tableName = entity.GetType().Name;
System.Reflection.PropertyInfo[] pt = t.GetProperties(); string sql = "UPDATE " + tableName + " SET ";
SqlCommand com = new SqlCommand(sql, con);
com.Transaction = tr;
foreach (System.Reflection.PropertyInfo p in pt)
{
//跳过未赋值的属性
if (p.GetValue(entity, null) == null)
{
continue;
}
SqlParameter sp = new SqlParameter("@" + p.Name, p.PropertyType);
sp.Value = p.GetValue(entity, null);
com.Parameters.Add(sp);
//判断是否是主键
if (IsPrimaryKey(p.Name, tableName))
{
continue;
}
sql += p.Name + "=@" + p.Name + ",";
}
sql = sql.Substring(, sql.Length - ) + " WHERE "; List<Dictionary<string, object>> keys = Select("sp_pkeys " + tableName); foreach (Dictionary<string, object> a in keys)
{
sql += a["COLUMN_NAME"] + "=@" + a["COLUMN_NAME"] + " and ";
}
com.CommandText = sql.Substring(, sql.Length - );
com.ExecuteNonQuery();
}
tr.Commit();
return true;
}
catch (Exception)
{
tr.Rollback();
return false;
}
finally
{
if (con.State == ConnectionState.Open) con.Close();
}
}
/// <summary>
/// 通用更新方法(批量实体)
/// </summary>
/// <param name="entitys">批量数据行实体</param>
/// <param name="tableName">表名</param>
/// <returns></returns>
public bool Updates(List<object> entitys, string tableName)
{
SqlConnection con = new SqlConnection(ConnectionString);
SqlTransaction tr = con.BeginTransaction();
try
{
con.Open();
foreach (object entity in entitys)
{
if (entity == null)
{
continue;
}
Type t = entity.GetType();
System.Reflection.PropertyInfo[] pt = t.GetProperties(); string sql = "UPDATE " + tableName + " SET ";
SqlCommand com = new SqlCommand(sql, con);
com.Transaction = tr;
foreach (System.Reflection.PropertyInfo p in pt)
{
//跳过未赋值的属性
if (p.GetValue(entity, null) == null)
{
continue;
}
SqlParameter sp = new SqlParameter("@" + p.Name, p.PropertyType);
sp.Value = p.GetValue(entity, null);
com.Parameters.Add(sp);
//判断是否是主键
if (IsPrimaryKey(p.Name, tableName))
{
continue;
}
sql += p.Name + "=@" + p.Name + ",";
}
sql = sql.Substring(, sql.Length - ) + " WHERE "; List<Dictionary<string, object>> keys = Select("sp_pkeys " + tableName); foreach (Dictionary<string, object> a in keys)
{
sql += a["COLUMN_NAME"] + "=@" + a["COLUMN_NAME"] + " and ";
}
com.CommandText = sql.Substring(, sql.Length - );
com.ExecuteNonQuery();
}
tr.Commit();
return true;
}
catch (Exception)
{
tr.Rollback();
return false;
}
finally
{
if (con.State == ConnectionState.Open) con.Close();
}
}
/// <summary>
/// 通用新增（实体）
/// </summary>
/// <param name="entity">封装一行数据的实体</param>
/// <returns></returns>
public bool UpdateWhereKeyIn(object entity, string ids)
{
if (entity == null)
{
return false;
}
SqlConnection con = new SqlConnection(ConnectionString);
try
{
con.Open();
Type t = entity.GetType();
string tableName = entity.GetType().Name;
System.Reflection.PropertyInfo[] pt = t.GetProperties(); string sql = "UPDATE " + tableName + " SET ";
SqlCommand com = new SqlCommand(sql, con); foreach (System.Reflection.PropertyInfo p in pt)
{
//跳过未赋值的属性
if (p.GetValue(entity, null) == null)
{
continue;
}
//判断是否是主键
if (IsPrimaryKey(p.Name, tableName))
{
continue;
}
sql += p.Name + "=@" + p.Name + ",";
SqlParameter sp = new SqlParameter("@" + p.Name, p.PropertyType);
sp.Value = p.GetValue(entity, null);
com.Parameters.Add(sp);
}
sql = sql.Substring(, sql.Length - ) + " WHERE "; List<Dictionary<string, object>> keys = Select("sp_pkeys " + tableName);
foreach (Dictionary<string, object> a in keys)
{
sql += a["COLUMN_NAME"] + " in " + ids + " and ";
}
com.CommandText = sql.Substring(, sql.Length - );
return Convert.ToBoolean(com.ExecuteNonQuery());
}
catch (Exception)
{
return false;
}
finally
{
if (con.State == ConnectionState.Open) con.Close();
}
}
/// <summary>
/// 通用新增（实体）
/// </summary>
/// <param name="entity">封装一行数据的实体</param>
/// <param name="tableName">表名</param>
/// <returns></returns>
public bool UpdateWhereKeyIn(object entity, string ids, string tableName)
{
if (entity == null)
{
return false;
}
SqlConnection con = new SqlConnection(ConnectionString);
try
{
con.Open();
Type t = entity.GetType();
System.Reflection.PropertyInfo[] pt = t.GetProperties(); string sql = "UPDATE " + tableName + " SET ";
SqlCommand com = new SqlCommand(sql, con); foreach (System.Reflection.PropertyInfo p in pt)
{
//跳过未赋值的属性
if (p.GetValue(entity, null) == null)
{
continue;
}
//判断是否是主键
if (IsPrimaryKey(p.Name, tableName))
{
continue;
}
sql += p.Name + "=@" + p.Name + ",";
SqlParameter sp = new SqlParameter("@" + p.Name, p.PropertyType);
sp.Value = p.GetValue(entity, null);
com.Parameters.Add(sp);
}
sql = sql.Substring(, sql.Length - ) + " WHERE "; List<Dictionary<string, object>> keys = Select("sp_pkeys " + tableName); foreach (Dictionary<string, object> a in keys)
{
sql += a["COLUMN_NAME"] + " in " + ids + " and ";
}
com.CommandText = sql.Substring(, sql.Length - );
return Convert.ToBoolean(com.ExecuteNonQuery());
}
catch (Exception)
{
return false;
}
finally
{
if (con.State == ConnectionState.Open) con.Close();
}
}
删除
/// <summary>
/// 删除通用方法(单条数据)
/// </summary>
/// <param name="arr">要删除的数据行的主键</param>
/// <param name="tableName">要删除的表</param>
/// <returns></returns>
public bool Delete(Dictionary<string, object> arr, string tableName)
{
SqlConnection con = new SqlConnection(ConnectionString);
try
{
con.Open();
string sql = "DELETE FROM " + tableName + " WHERE ";
SqlCommand com = new SqlCommand(sql, con); foreach (KeyValuePair<string, object> ar in arr)
{
sql += ar.Key + "=@" + ar.Key + " and ";
SqlParameter sp = new SqlParameter("@" + ar.Key, ar.Value.GetType());
sp.Value = ar.Value;
com.Parameters.Add(sp);
}
com.CommandText = sql.Substring(, sql.Length - );
return Convert.ToBoolean(com.ExecuteNonQuery());
}
catch (Exception)
{
return false;
}
finally
{
if (con.State == ConnectionState.Open) con.Close();
}
}
/// <summary>
/// 通用删除方法(批量)
/// </summary>
/// <param name="arr">要删除的多条数据的主键</param>
/// <param name="tableName">表名</param>
/// <returns></returns>
public bool Deletes(List<Dictionary<string, object>> arr, string tableName)
{
SqlConnection con = new SqlConnection(ConnectionString);
SqlTransaction tr = con.BeginTransaction();
try
{
con.Open();
foreach (Dictionary<string, object> ar in arr)
{
string sql = "DELETE FROM " + tableName + " WHERE ";
SqlCommand com = new SqlCommand(sql, con);
com.Transaction = tr;
foreach (KeyValuePair<string, object> a in ar)
{
sql += a.Key + "=@" + a.Key + " and ";
SqlParameter sp = new SqlParameter("@" + a.Key, a.Value.GetType());
sp.Value = a.Value;
com.Parameters.Add(sp);
}
com.CommandText = sql.Substring(, sql.Length - );
com.ExecuteNonQuery();
}
tr.Commit();
return true;
}
catch (Exception)
{
tr.Rollback();
return false;
}
finally
{
if (con.State == ConnectionState.Open) con.Close();
}
}
/// <summary>
/// 通用删除(实体)
/// </summary>
/// <param name="entity">用实体封装的一行数据</param>
/// <returns></returns>
public bool Delete(object entity)
{
if (entity == null)
{
return false;
}
SqlConnection con = new SqlConnection(ConnectionString);
try
{
con.Open();
Type t = entity.GetType();
string tableName = entity.GetType().Name;
System.Reflection.PropertyInfo[] pr = t.GetProperties(); string sql = "DELETE FROM " + tableName + " WHERE ";
SqlCommand com = new SqlCommand(sql, con);
List<Dictionary<string, object>> keys = Select("sp_pkeys " + tableName); foreach (Dictionary<string, object> ar in keys)
{
sql += ar["COLUMN_NAME"] + "=@" + ar["COLUMN_NAME"] + " and ";
foreach (System.Reflection.PropertyInfo p in pr)
{
if (p.Name.Trim() == ar["COLUMN_NAME"].ToString().Trim())
{
SqlParameter sp = new SqlParameter("@" + ar["COLUMN_NAME"].ToString().Trim(), p.PropertyType);
sp.Value = p.GetValue(entity, null);
com.Parameters.Add(sp);
break;
}
}
} com.CommandText = sql.Substring(, sql.Length - );
return Convert.ToBoolean(com.ExecuteNonQuery());
}
catch (Exception)
{
return false;
}
finally
{
if (con.State == ConnectionState.Open) con.Close();
}
}
/// <summary>
/// 通用删除(实体)
/// </summary>
/// <param name="entity">用实体封装的一行数据</param>
/// <param name="tableName">表名</param>
/// <returns></returns>
public bool Delete(object entity, string tableName)
{
if (entity == null)
{
return false;
}
SqlConnection con = new SqlConnection(ConnectionString);
try
{
con.Open();
Type t = entity.GetType();
System.Reflection.PropertyInfo[] pr = t.GetProperties(); string sql = "DELETE FROM " + tableName + " WHERE ";
SqlCommand com = new SqlCommand(sql, con);
List<Dictionary<string, object>> keys = Select("sp_pkeys " + tableName); foreach (Dictionary<string, object> ar in keys)
{
sql += ar["COLUMN_NAME"] + "=@" + ar["COLUMN_NAME"] + " and ";
foreach (System.Reflection.PropertyInfo p in pr)
{
if (p.Name.Trim() == ar["COLUMN_NAME"].ToString().Trim())
{
SqlParameter sp = new SqlParameter("@" + ar["COLUMN_NAME"].ToString().Trim(), p.PropertyType);
sp.Value = p.GetValue(entity, null);
com.Parameters.Add(sp);
break;
}
}
} com.CommandText = sql.Substring(, sql.Length - );
return Convert.ToBoolean(com.ExecuteNonQuery());
}
catch (Exception)
{
return false;
}
finally
{
if (con.State == ConnectionState.Open) con.Close();
}
}
/// <summary>
/// 通用删除批量(实体)
/// </summary>
/// <param name="entitys">多个实体封装的集合</param>
/// <returns></returns>
public bool Deletes(List<object> entitys)
{
SqlConnection con = new SqlConnection(ConnectionString);
SqlTransaction tr = null;
try
{
con.Open();
tr = con.BeginTransaction(); foreach (object entity in entitys)
{
if (entity == null)
{
continue;
}
Type t = entity.GetType();
string tableName = entity.GetType().Name;
System.Reflection.PropertyInfo[] pt = t.GetProperties(); string sql = "DELETE FROM " + tableName + " WHERE ";
SqlCommand com = new SqlCommand(sql, con);
com.Transaction = tr;
List<Dictionary<string, object>> keys = Select("sp_pkeys " + tableName);
foreach (Dictionary<string, object> ar in keys)
{
sql += ar["COLUMN_NAME"] + "=@" + ar["COLUMN_NAME"] + " and ";
foreach (System.Reflection.PropertyInfo p in pt)
{ if (p.Name.Trim() == ar["COLUMN_NAME"].ToString().Trim())
{
SqlParameter sp = new SqlParameter("@" + p.Name, p.PropertyType);
sp.Value = p.GetValue(entity, null);
com.Parameters.Add(sp);
break;
}
}
}
com.CommandText = sql.Substring(, sql.Length - );
com.ExecuteNonQuery();
}
tr.Commit();
return true;
}
catch (Exception)
{
tr.Rollback();
return false;
}
finally
{
if (con.State == ConnectionState.Open) con.Close();
}
}
/// <summary>
/// 通用删除批量(实体)
/// </summary>
/// <param name="entitys">多个实体封装的集合</param>
/// <param name="tableName">表名</param>
/// <returns></returns>
public bool Deletes(List<object> entitys, string tableName)
{
SqlConnection con = new SqlConnection(ConnectionString);
SqlTransaction tr = null;
try
{
con.Open();
tr = con.BeginTransaction(); foreach (object entity in entitys)
{
if (entity == null)
{
continue;
}
Type t = entity.GetType();
System.Reflection.PropertyInfo[] pt = t.GetProperties(); string sql = "DELETE FROM " + tableName + " WHERE ";
SqlCommand com = new SqlCommand(sql, con);
com.Transaction = tr;
List<Dictionary<string, object>> keys = Select("sp_pkeys " + tableName);
foreach (Dictionary<string, object> ar in keys)
{
sql += ar["COLUMN_NAME"] + "=@" + ar["COLUMN_NAME"] + " and ";
foreach (System.Reflection.PropertyInfo p in pt)
{
if (p.Name.Trim() == ar["COLUMN_NAME"].ToString().Trim())
{
SqlParameter sp = new SqlParameter("@" + p.Name, p.PropertyType);
sp.Value = p.GetValue(entity, null);
com.Parameters.Add(sp);
break;
}
}
}
com.CommandText = sql.Substring(, sql.Length - );
com.ExecuteNonQuery();
}
tr.Commit();
return true;
}
catch (Exception)
{
tr.Rollback();
return false;
}
finally
{
if (con.State == ConnectionState.Open) con.Close();
}
}
/// <summary>
/// 通用删除(实体)
/// </summary>
/// <param name="entity">用实体封装的一行数据</param>
/// <param name="tableName">表名</param>
/// <returns></returns>
public bool DeleteWhereKeyIn(object entity, string ids)
{
if (entity == null)
{
return false;
}
SqlConnection con = new SqlConnection(ConnectionString);
try
{
con.Open(); Type t = entity.GetType();
string tableName = entity.GetType().Name;
System.Reflection.PropertyInfo[] pr = t.GetProperties(); string sql = "DELETE FROM " + tableName + " WHERE ";
SqlCommand com = new SqlCommand(sql, con);
List<Dictionary<string, object>> keys = Select("sp_pkeys " + tableName); foreach (Dictionary<string, object> ar in keys)
{
sql += ar["COLUMN_NAME"] + " in " + ids + " and ";
}
com.CommandText = sql.Substring(, sql.Length - );
return Convert.ToBoolean(com.ExecuteNonQuery());
}
catch (Exception)
{
return false;
}
finally
{
if (con.State == ConnectionState.Open) con.Close();
}
}
/// <summary>
/// 通用删除(实体)
/// </summary>
/// <param name="entity">用实体封装的一行数据</param>
/// <param name="tableName">表名</param>
/// <returns></returns>
public bool DeleteWhereKeyIn(object entity, string ids, string tableName)
{
if (entity == null)
{
return false;
}
SqlConnection con = new SqlConnection(ConnectionString);
try
{
con.Open(); Type t = entity.GetType();
System.Reflection.PropertyInfo[] pr = t.GetProperties(); string sql = "DELETE FROM " + tableName + " WHERE ";
SqlCommand com = new SqlCommand(sql, con);
List<Dictionary<string, object>> keys = Select("sp_pkeys " + tableName); foreach (Dictionary<string, object> ar in keys)
{
sql += ar["COLUMN_NAME"] + " in " + ids + " and ";
}
com.CommandText = sql.Substring(, sql.Length - );
return Convert.ToBoolean(com.ExecuteNonQuery());
}
catch (Exception)
{
return false;
}
finally
{
if (con.State == ConnectionState.Open) con.Close();
}
}
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