private DataTable GetQueryView(string queryName, Hashtable hash, int pageSize, int currentPageIndex,
out int totalCount)
{
DataBaseAccess db = ExportManager.GetDao();
ExportItemConfig item = ExportManager.GetConfigByQueryName(queryName);
string query = item.Query;
string queryTotal = item.Total;
//添加分页参数
if (hash != null)
{
foreach (DictionaryEntry o in hash)
{
if (UnsafeSqlReg.IsMatch(o.Value.ToString()))
{
throw new ArgumentException("含有不安全的查询!");
}
}
hash.Add("page_start", currentPageIndex <= 0 ? 0 : (currentPageIndex - 1) * pageSize);
hash.Add("page_end", (currentPageIndex) * pageSize);
hash.Add("page_size", pageSize);
//格式化
query = query.Template(hash);
// throw new Exception(query + "/" + currentPageIndex+"/"+pageSize);
if (!String.IsNullOrEmpty(queryTotal))
{
queryTotal = queryTotal.Template(hash);
}
}
//获取分页结果
DataTable dataTable = db.GetDataSet(query, hash).Tables[0];
//获取统计数据
if (!String.IsNullOrEmpty(queryTotal))
{
object data = db.ExecuteScalar(queryTotal, hash);
int.TryParse(data.ToString(), out totalCount);
}
else
{
totalCount = dataTable.Rows.Count;
}
return(dataTable);
}
private ExportItemConfig GetConfigByQueryName(string queryName)
{
if (!this.configDict.ContainsKey(queryName))
{
string filePath = _baseDirectory + "query/" + queryName + ".config";
if (!File.Exists(filePath))
{
throw new Exception("不包含查询:" + queryName);
}
ExportItemConfig cfg = ExportUtil.GetExportItemFormXml(
File.ReadAllText(filePath)
, null);
this.configDict.Add(queryName, cfg);
}
return(this.configDict[queryName]);
}