/// <summary>
/// 根据参数获取分页实体数据
/// </summary>
/// <returns></returns>
public DataSet GetPageData(string getpagedataEntityParams)
{
List <string> list = StringPlus.GetStrArray(getpagedataEntityParams, "_;_");
int pageSize = 100;
int pageIndex = 1;
string entityName = list[0];
string pageSizeStr = list[1];
string pageIndexStr = list[2];
string colums = list[3];
string tmpwhere = list[4].TrimEnd();
string where = tmpwhere.EndsWith("and", StringComparison.CurrentCultureIgnoreCase) ? tmpwhere.Remove(tmpwhere.Length - 3) : list[4];
string order = list[5];
if (!int.TryParse(pageSizeStr, out pageSize) || !int.TryParse(pageIndexStr, out pageIndex))
{
return(null);
}
if (pageSize != -1)
{
pageSize = pageSize < 1 ? 100 : pageSize;
}
if (pageIndex != -1)
{
pageIndex = pageIndex < 1 ? 1 : pageIndex;
}
StringBuilder sbSql = new StringBuilder();
if (string.IsNullOrWhiteSpace(entityName))
{
return(null);
}
if (string.IsNullOrWhiteSpace(colums) || colums == "*")
{
colums = "*";
}
DataTable dtStruct = GetTableStruct(entityName);
bool falseDel = dtStruct.Columns.Contains("is_del");
if (falseDel)
{
where += (string.IsNullOrWhiteSpace(where) ? "" : " and") + " (is_del!='1' or is_del is null)";
}
sbSql.AppendFormat("select count(*) from {0}", entityName);
if (!string.IsNullOrWhiteSpace(where))
{
sbSql.AppendFormat(" where {0}", where);
}
if (!string.IsNullOrWhiteSpace(order))
{
sbSql.AppendFormat(" order by {0}", order);
}
object objCount = MySQLHelper.GetSingle(sbSql.ToString());
if (objCount == null)
{
return(null);
}
int count = Convert.ToInt32(objCount);
if (count < 1)
{
return(null);
}
DataTable dtCount = new DataTable("tmo_count");
dtCount.Columns.AddRange(new DataColumn[]
{
new DataColumn("count"), new DataColumn("pageCount"),
new DataColumn("pageIndex"), new DataColumn("pageSize")
});
DataRow drCount = dtCount.NewRow();
drCount["count"] = count;
int pageCount = pageSize != -1 ? (int)Math.Ceiling((double)count / pageSize) : 1;
drCount["pageCount"] = pageCount;
if (pageIndex != -1)
{
pageIndex = pageIndex > pageCount ? pageCount : pageIndex;
}
drCount["pageIndex"] = pageIndex;
drCount["pageSize"] = pageSize;
dtCount.Rows.Add(drCount);
int rowStart = pageSize != -1 && pageIndex != -1 ? (pageIndex - 1) * pageSize : -1;
int rowEnd = pageSize != -1 && pageIndex != -1 ? pageSize : -1;
DataTable dt = GetData(TmoShare.GetDataEntityParams(entityName, colums, rowStart, rowEnd, "", "", where, order));
dt = TmoShare.DataTableVerify(dt);
if (dt != null)
{
dt.TableName = "tmo_data";
}
else
{
return(null);
}
DataSet ds = new DataSet("tmo_entity");
ds.Tables.Add(dt);
ds.Tables.Add(dtCount);
return(ds);
}