public virtual string Remove()
{
DynamicJson dj = GetParam();
string resJson = string.Empty;
string primaryKey = "Id";
try
{
JMI jmi = GetJMI(dj);
using (DBAccessor dba = DBAccessor.Instance(Dbs.Get(jmi.DbsName)))
{
string condition = string.Empty;
string sql = string.Empty;
string tableName = TableName(jmi.DtoType);
IList <string> cols = new List <string>();
if (GetPrimaryKey(jmi.DtoType).Count() > 0)
{
primaryKey = GetPrimaryKey(jmi.DtoType).FirstOrDefault().Name;
}
DbParameter[] paras = BuildParameter(jmi.DtoType, dba, dj, ref cols);
int rows = dba.ExecuteCommand(string.Format("delete from {0} where {1}=:{1}", tableName, primaryKey), dba.CreateDbParameter(primaryKey, dj.Get(primaryKey)), false);
if (rows > 0)
{
resJson = new { result = 1 }
}
.ToJson();
}
/// <summary>
///
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="dba"></param>
/// <param name="dj"></param>
/// <param name="primaryKey"></param>
/// <param name="tableName"></param>
/// <param name="seqName"></param>
/// <returns></returns>
protected string SaveOne(Type t, DBAccessor dba, DynamicJson dj, string primaryKey = "Id")
{
int rows = 0;
string sql = string.Empty;
string json = string.Empty;
string tableName = TableName(t);
IList <string> cols = new List <string>();
try
{
if (GetPrimaryKey(t).Count() > 0)
{
primaryKey = GetPrimaryKey(t).FirstOrDefault().Name;
}
if (dj.Get <int>(primaryKey) >= 0)
{
json = this.Update(t, dba, dj);
return(json);
}
string seqName = SeqName(t);
int id = dj.Get <int>(primaryKey);
if (!seqName.IsNullOrWhiteSpace())
{
id = dba.ExecuteScalar(string.Format(" select {0}.NEXTVAL from dual", seqName), false);
dj.Set(primaryKey, id);
}
dj.Set("RowVersion", DateTime.Now);
DbParameter[] paras = BuildParameter(t, dba, dj, ref cols);
sql = string.Format(@"
insert into {0} ( {1})
values ( {2} )", tableName, cols.ToString(" ,"), cols.Select(a => ":" + a).ToString(","));
rows = dba.ExecuteCommand(sql, paras, false);
json = dba.GetReader(string.Format("select * from {0} where {1}=:{1}", tableName, primaryKey), dba.CreateDbParameter(primaryKey, dj.Get(primaryKey)), false)
.ToList(t).FirstOrDefault().ToJson();
}
catch (Exception ex)
{
return(Loger.Log(Assembly.GetExecutingAssembly().FullName, MethodBase.GetCurrentMethod().FullName(), ex));
}
return(json);
}
/// <summary>
///
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="dba"></param>
/// <param name="dj"></param>
/// <param name="primaryKey"></param>
/// <param name="tableName"></param>
/// <returns></returns>
protected string Update(Type t, DBAccessor dba, DynamicJson dj, string primaryKey = "Id")
{
int rows = 0;
string sql = string.Empty;
string json = string.Empty;
if (GetPrimaryKey(t).Count() > 0)
{
primaryKey = GetPrimaryKey(t).FirstOrDefault().Name;
}
string tableName = TableName(t);
IList <string> cols = new List <string>();
dj.Set("RowVersion", DateTime.Now);
DbParameter[] paras = BuildParameter(t, dba, dj, ref cols);
sql = string.Format(" update {0} set {1} where {2}=:{2}", tableName, cols.Select(a => a + "= :" + a).ToString(","), primaryKey);
rows = dba.ExecuteCommand(sql, paras, false);
json = dba.GetReader(string.Format("select * from {0} where {1}=:{1}", tableName, primaryKey), dba.CreateDbParameter(primaryKey, dj.Get(primaryKey)), false)
.ToList(t).FirstOrDefault().ToJson();
return(json);
}
