public void GetPartmeterString(ExcuteImport excuteImport, ref string orderBySql, ref List <DbParameter> dbParameters)
{
StringBuilder stringBuilder = new StringBuilder();
using (IEnumerator <ItemStruct> IEnumerator = GetEnumerator())
{
while (IEnumerator.MoveNext())
{
ItemStruct col = IEnumerator.Current;
if (stringBuilder.Length <= 0)
{
stringBuilder.Append(", ");
}
stringBuilder.Append(col.Column.GetName);
stringBuilder.Append(excuteImport.sqlSetting.Flag + col.Column.GetName);
dbParameters.Add(excuteImport.CreateDbParameter(excuteImport.sqlSetting.Flag + col.Column.GetName, col.Value));
}
}
orderBySql = stringBuilder.ToString();
}
public void GetParamString(ExcuteImport excuteImport, ref string sqlupdateClip, ref List <DbParameter> lstdbParameters)
{
StringBuilder stringBuilder = new StringBuilder();
using (IEnumerator <ItemStruct> enumerator = GetEnumerator())
{
while (enumerator.MoveNext())
{
ItemStruct itemcurrent = enumerator.Current;
if (stringBuilder.Length <= 0)
{
stringBuilder.Append("SET ");
}
else
{
stringBuilder.Append(", ");
}
stringBuilder.Append(itemcurrent.Column.GetName + "=" + excuteImport.sqlSetting.Flag + itemcurrent.Column.Name);
lstdbParameters.Add(excuteImport.CreateDbParameter(excuteImport.sqlSetting.Flag + itemcurrent.Column.Name, itemcurrent.Value));
}
stringBuilder.Append(" ");
sqlupdateClip = stringBuilder.ToString();
}
}
public void GetParameterString(ExcuteImport excuteImport, ref string insertSql, ref List <DbParameter> dbParameters)
{
StringBuilder stringBuilder = new StringBuilder();
StringBuilder stringBuilder2 = new StringBuilder();
using (IEnumerator <ItemStruct> enumerator = GetEnumerator())
{
while (enumerator.MoveNext())
{
ItemStruct itemCurrent = enumerator.Current;
if (stringBuilder.Length <= 0)
{
stringBuilder.Append("(");
}
else
{
stringBuilder.Append(", ");
}
stringBuilder.Append(itemCurrent.Column.GetName);
if (stringBuilder2.Length <= 0)
{
stringBuilder2.Append("VALUES( ");
}
else
{
stringBuilder2.Append(", ");
}
stringBuilder2.Append(excuteImport.sqlSetting.Flag + itemCurrent.Column.GetName);
dbParameters.Add(excuteImport.CreateDbParameter(excuteImport.sqlSetting.Flag + itemCurrent.Column.GetName, itemCurrent.Value));
}
}
stringBuilder.Append(") ");
stringBuilder2.Append(") ");
stringBuilder.Append(stringBuilder2);
insertSql = stringBuilder.ToString();
}
/// <summary>
/// 获取参数列表
/// </summary>
public void GetPartmerStrings(ExcuteImport excuteImport, ref string sqlWhereClip, ref List <DbParameter> lstDbParameter)
{
StringBuilder stringBuilder = new StringBuilder(); //新建一个可变长度的字符串拼接类
if (flag)
{
using (IEnumerator <object> enumerator = GetEnumerator()) //使用集合迭代器
{
while (enumerator.MoveNext()) //操作集合中的数据
{
ConditionItem conditionItem = (ConditionItem)enumerator.Current; //将迭代器中的数据转换成ConditionItem类型
if (stringBuilder.ToString().Length > 0)
{
stringBuilder.Append(" AND "); //在现有字符串后面拼接上AND
}
List <DbParameter> list = new List <DbParameter>(); //新建一个参数集合
if (conditionItem.lstDbParmeters != null)
{
//如果该数据的参数集合不为空,则向参数列表中添加参数
for (int i = 0; i < conditionItem.lstDbParmeters.Count; i++)
{
list.Add(excuteImport.DbParameterCopy(conditionItem.lstDbParmeters[i]));
}
}
string text = conditionItem.sqlStr; //将ConditionItem写成成Sql语句式
int count = lstDbParameter.Count;
int count2 = list.Count;
if (count2 > 0)
{
text = text.Replace(list[count2 - 1].ParameterName, list[count2 - 1].ParameterName + "_" + count);
list[count2 - 1].ParameterName = list[count2 - 1].ParameterName + "_" + count;
}
if (count2 > 1)
{
for (int num = list.Count - 2; num >= 0; num--)
{
text = ((!text.Contains(list[num].ParameterName + ",")) ? text.Replace(list[num].ParameterName + " ", list[num].ParameterName + "_" + count + " ") : text.Replace(list[num].ParameterName + ",", list[num].ParameterName + "_" + count + ","));
list[num].ParameterName = list[num].ParameterName + "_" + count;
}
}
lstDbParameter.AddRange(list); //将转换好的list装入参数集合容器
stringBuilder.Append(" " + text);
}
}
}
else
{
using (IEnumerator <object> enumerator2 = GetEnumerator())
{
while (enumerator2.MoveNext())
{
object current = enumerator2.Current;
//如果是符号,将其转换成字符串类型
if (current is Symbol)
{
stringBuilder.Append(current.ToString());
}
else if (current is ConditionItem)
{
ConditionItem conditionItem2 = new ConditionItem();
conditionItem2 = current as ConditionItem;
List <DbParameter> lstDbParameter2 = new List <DbParameter>();
if (conditionItem2.lstDbParmeters != null)
{
for (int j = 0; j < conditionItem2.lstDbParmeters.Count; j++)
{
lstDbParameter2.Add(excuteImport.DbParameterCopy(conditionItem2.lstDbParmeters[j]));
}
}
string text2 = conditionItem2.sqlStr;
int count3 = lstDbParameter.Count;
int count4 = lstDbParameter2.Count;
if (count4 > 0)
{
text2 = text2.Replace(lstDbParameter2[count4 - 1].ParameterName, lstDbParameter2[count4 - 1].ParameterName + "_" + count3);
lstDbParameter2[count4 - 1].ParameterName = lstDbParameter2[count4 - 1].ParameterName + "_" + count3;
}
else if (count4 > 1)
{
for (int num2 = lstDbParameter2.Count - 2; num2 >= 0; num2--)
{
text2 = ((!text2.Contains(lstDbParameter2[num2].ParameterName + ",")) ? text2.Replace(lstDbParameter2[num2].ParameterName + " ", lstDbParameter2[num2].ParameterName + "_" + count3 + " ") : text2.Replace(lstDbParameter2[num2].ParameterName + ",", lstDbParameter2[num2].ParameterName + "_" + count3 + "_"));
lstDbParameter2[num2].ParameterName = lstDbParameter2[num2] + "_" + count3;
}
}
lstDbParameter.AddRange(lstDbParameter2);
stringBuilder.Append(" " + text2);
}
}
}
}
//获取whereClip的String格式
stringBuilder.Append(" ");
sqlWhereClip = stringBuilder.ToString();
}
public Column(string getName, string name, ExcuteImport excuteImport_)
{
getName_ = getName;
name_ = name;
excuteImport = excuteImport_;
}
public Column(string getName, ExcuteImport excuteImport_)
{
excuteImport = excuteImport_;
getName_ = getName;
}
