/// <summary>
/// 修改多个对象的某个属性
/// </summary>
/// <param name="str_JsonIdList">["id1","id2"..."idn"]</param>
/// <returns></returns>
public bool setObjectsAttributById(string str_JsonIdList, string s_attr, string s_value)
{
bool success = true;
List <string> l_str_ids;
l_str_ids = Angel_DataJson.json2ObjList <string>(str_JsonIdList);
for (int i = 0; i < l_str_ids.Count; i++)
{
if (!setObjectAttributById(l_str_ids[i], s_attr, s_value))
{
return(false);
}
}
return(success);
}
/// <summary>
/// 删除多个对象
/// </summary>
/// <param name="str_JsonIdList">["id1","id2"..."idn"]</param>
/// <returns>是否成功</returns>
public bool DeleteObjectsById(string str_JsonIdList)
{
bool success = true;
List <string> l_str_ids;
l_str_ids = Angel_DataJson.json2ObjList <string>(str_JsonIdList);
for (int i = 0; i < l_str_ids.Count; i++)
{
this.SetCondition("id", l_str_ids[i]);
if (!this.DeleteData())
{
return(false);
}
}
return(success);
}
/// <summary>
/// 得到对象列表
/// </summary>
/// <typeparam name="T"> 对象类</typeparam>
/// <param name="str_Condition">条件</param>
/// <returns>对象列表</returns>
public List <T> getObjectListByCondition <T>(string str_Condition)
{
this.strDsJson = "";
// 得到数据集
DataSet ds = Item_db.GetDataSetByCondition(this.tablename, this.lst_colId, str_Condition);
// 数据集转Json
if (!(ds == null || ds.Tables.Count == 0))
{
strDsJson = Angel_DataJson.dataSet2Json(ds);
}
// 去掉Json串中的表名
// string strMatch = @"^{.*?:";
Regex rx = new Regex(@"^{.*?:", RegexOptions.IgnoreCase | RegexOptions.Multiline);
if (rx.IsMatch(strDsJson))
{
strDsJson = rx.Replace(strDsJson, "");
}
return(Angel_DataJson.json2ObjList <T>(strDsJson));
}