public static bool ExecuteNonQuery <T>(ExcuteClass <T> entity)
{
DbCommand cmd = new SqlCommand();
using (DbConnection conn = new SqlConnection())
{
conn.ConnectionString = entity.ConnectionString;
cmd.Connection = conn;
if (conn.State != ConnectionState.Open)
{
conn.Open();
}
int onceCount = 1000;
bool isSuccess = true;
for (var i = 0; i < entity.ListEntity.Count / onceCount + 1; i++)
{
int surplusCount = entity.ListEntity.Count - i * onceCount > onceCount ? onceCount : entity.ListEntity.Count - i * onceCount;
if (surplusCount < 1)
{
break;
}
cmd.CommandText = getInsertOrUpdateByExcuteClass(entity, entity.ListEntity.Skip(i * onceCount).Take(surplusCount).ToList());
int val = cmd.ExecuteNonQuery();
if (val < 0)
{
isSuccess = false;
}
}
conn.Close();
return(isSuccess);
}
}
private static void intitInsertOrUpdateByExcuteClass <T>(ExcuteClass <T> entity, PropertyInfo[] properties)
{
List <string> insertList = new List <string>();
List <string> updateList = new List <string>();
if (entity.ListInsertColumns != null && entity.ListInsertColumns.Count > 0)
{
insertList = entity.ListInsertColumns;
}
if (insertList.Count == 0)
{
insertList = properties.Select(p => p.Name).ToList();
}
if (entity.ListNoInsertColumns != null && entity.ListNoInsertColumns.Count > 0)
{
insertList = insertList.Where(p => !entity.ListNoInsertColumns.Contains(p)).ToList();
}
entity.ListInsertColumns = insertList;
if (entity.ListUpdateColumns != null && entity.ListUpdateColumns.Count > 0)
{
updateList = entity.ListUpdateColumns;
}
if (updateList.Count == 0)
{
updateList = properties.Select(p => p.Name).ToList();
}
if (entity.ListNoUpdateColumns != null && entity.ListNoUpdateColumns.Count > 0)
{
updateList = updateList.Where(p => !entity.ListNoUpdateColumns.Contains(p)).ToList();
}
entity.ListUpdateColumns = updateList;
}
private static string getInsertOrUpdateByExcuteClass <T>(ExcuteClass <T> entity, List <T> entityList)
{
StringBuilder sb = new StringBuilder();
PropertyInfo[] properties = typeof(T).GetProperties();
intitInsertOrUpdateByExcuteClass(entity, properties);
string tableName = entity.TableName;
tableName = tableName ?? typeof(T).Name;
string whereSql = "";
string whereKeySql = "";
string updateSql = "";
string insertSql = "";
string insertValueSql = "";
foreach (var entityData in entityList)
{
whereSql = "";
whereKeySql = "";
updateSql = "";
insertSql = "";
insertValueSql = "";
foreach (var whereColumn in entity.ListWhereColumns)
{
whereSql += string.Format(@" {0} = '{1}' AND", whereColumn, properties.FirstOrDefault(p => p.Name == whereColumn).GetValue(entityData));
whereKeySql += string.Format(@" {0} = ''{1}'' AND", whereColumn, properties.FirstOrDefault(p => p.Name == whereColumn).GetValue(entityData));
}
whereSql = whereSql.Remove(whereSql.Length - 3);
whereKeySql = whereKeySql.Remove(whereKeySql.Length - 3);
sb.AppendFormat(@"
BEGIN TRY
IF EXISTS (SELECT 1 FROM {0} WHERE {1})", tableName, whereSql);
foreach (var updateString in entity.ListUpdateColumns)
{
updateSql += string.Format(@" {0} = '{1}',", updateString, properties.FirstOrDefault(p => p.Name == updateString).GetValue(entityData));
}
updateSql = updateSql.Remove(updateSql.Length - 1);
sb.AppendFormat(@"
UPDATE {0} SET {2} WHERE {1}
ELSE ", tableName, whereSql, updateSql);
foreach (var insertString in entity.ListInsertColumns)
{
insertSql += string.Format(@"{0},", insertString);
insertValueSql += string.Format(@"'{0}',", properties.FirstOrDefault(p => p.Name == insertString).GetValue(entityData));
}
insertSql = insertSql.Remove(insertSql.Length - 1);
insertValueSql = insertValueSql.Remove(insertValueSql.Length - 1);
sb.AppendFormat(@"
INSERT INTO {0}({1}) VALUES({2})
END TRY
BEGIN CATCH
EXEC Pro_ErrorLog N'{3}',{4},'{5}','{6}'
END CATCH", tableName, insertSql, insertValueSql, whereKeySql, entity.AccountId, entity.MethodName, entity.Description);
}
return(sb.ToString());
}
protected void Page_Load(object sender, EventArgs e)
{
try
{
ExcuteClass <TestTmp> entity = new ExcuteClass <TestTmp>()
{
ConnectionString = "server=.;database=AvaBettyDB;uid=sa;pwd=123456",
AccountId = "15",
MethodName = "SaveTestTmp",
Description = "报错错误",
ListWhereColumns = new List <string>()
{
"code", "value"
},
ListEntity = new List <TestTmp>()
{
new TestTmp()
{
code = "11111111",
value = "1",
updateTime = DateTime.Now
},
new TestTmp()
{
code = "2",
value = "3",
updateTime = DateTime.Now
}
}
};
List <TestTmp> listEntity = new List <TestTmp>();
TestTmp tmpEntity;
for (int i = 0; i < 300; i++)
{
tmpEntity = new TestTmp();
tmpEntity.code = i + "00";
tmpEntity.value = i.ToString();
listEntity.Add(tmpEntity);
tmpEntity = null;
}
entity.ListEntity.AddRange(listEntity);
//List<string> list = getInsertOrUpdateByExcuteClass(entity);
//string sqlString = list.Aggregate((a, b) => a + " " + b);
Stopwatch stopWatch = new Stopwatch();
stopWatch.Start();
ExecuteNonQuery(entity);
stopWatch.Stop();
var time = stopWatch.ElapsedMilliseconds / 1000;
}
catch (Exception ex)
{
}
}
