string ISqlExpressionProvider.provideSql(DbList <DbParameter> dbParameters, DataOptType dataOptType, PList <Para> paraList, object[] methodParameters)
{
string ComNameEn = paraList["ComNameEn", true].ToString();
string sql = "select a.* from EmployeeInfo a, WorkInfo b where a.id=b.EmployeeInfoID and b.CompanyNameEn=@CompanyNameEn";
dbParameters.Add("CompanyNameEn", ComNameEn);
return(sql);
throw new NotImplementedException();
}
string ISqlExpressionProvider.provideSql(DbList <DbParameter> dbParameters, DataOptType dataOptType, PList <Para> paraList, object[] methodParameters)
{
DataEntity <DataElement> dataElements = paraList["dataElements", true].TryObject <DataEntity <DataElement> >();
string sql = "select a.* from EmployeeInfo a, WorkInfo b where a.id=b.EmployeeInfoID and b.CompanyNameEn=@CompanyNameEn";
dbParameters.Add("CompanyNameEn", dataElements["CompanyNameEn"].value);
return(sql);
throw new NotImplementedException();
}
/// <summary>
/// 用数据实体中属于基本类型(int,string,bool等)的属性及其值来创建DbParameter集合
/// </summary>
/// <param name="dataType">数据类型(数据实体属性类型)</param>
/// <param name="dbTag">数据源参数类型(如:sqlserver参数类型为@, mysql参数类型为?, oracle为:)</param>
/// <param name="data">数据源属性值</param>
/// <param name="fieldName">sql语句中字段名称(同时也是数据实体属性名称)</param>
/// <param name="dbParas">DbParameter集合</param>
public void GetDbParaByBaseType(Type dataType, string dbTag, object data, string fieldName, DbList <DbParameter> dbParas)
{
if (!DJTools.IsBaseType(dataType))
{
return;
}
object val = DJTools.ConvertTo(data, dataType);
val = null == val ? DBNull.Value : val;
dbParas.Add(fieldName, val);
}
DbList <DbParameter> GetDbParameters(MethodInformation method, DataEntity <DataElement> dataElements, string sql)
{
DbList <DbParameter> dbParameters = new DbList <DbParameter>();
if (string.IsNullOrEmpty(sql))
{
return(dbParameters);
}
if (null == dataElements)
{
return(dbParameters);
}
string msg = "";
Regex rg = DynamicCodeChange.rgParaField;
if (rg.IsMatch(sql) && 0 < method.paraList.Count)
{
if (null == method.paraList[0].ParaValue)
{
msg = "The parameter value cann't be null.";
((AutoCall)method.AutoCall).e(msg);
throw new Exception(msg);
}
string LeftSign = "";
string DbTag = "";
string FieldName = "";
string EndSign = "";
object v = null;
string sql1 = sql;
Match m = null;
int num = 0;
//DataEntity<DataElement> dataElements = (DataEntity<DataElement>)method.paraList[0].ParaValue;
MatchCollection mc = rg.Matches(sql);
while (rg.IsMatch(sql1) && 1000 > num)
{
if ((method.methodComponent.IsAsync || method.methodComponent.EnabledBuffer) &&
0 < method.methodComponent.Interval)
{
Thread.Sleep(method.methodComponent.Interval);
}
m = rg.Match(sql1);
LeftSign = m.Groups["LeftSign"].Value;
if (!DynamicCodeChange.isEnabledField(LeftSign))
{
continue;
}
DbTag = m.Groups["DbTag"].Value;
FieldName = m.Groups["FieldName"].Value;
EndSign = m.Groups["EndSign"].Value;
v = dataElements[FieldName].value;
dbParameters.Add(FieldName, v);
sql1 = sql1.Replace(m.Groups[0].Value, "");
sql1 = EndSign + sql1;
num++;
}
}
return(dbParameters);
}
