//转换为修改语句
private static XmlToList XmlToDelete(XmlNodeList table, XmlNodeList where)
{
XmlToList model = new XmlToList();
List <SqlParameter> pars = new List <SqlParameter>();
model.SQL = "DELETE FROM " + table.Item(0).InnerText + " WHERE {0}";
string result = string.Empty;
if (where.Count == 1)
{
foreach (XmlNode xnode in where.Item(0).ChildNodes)
{
if (!string.IsNullOrEmpty(result))
{
result += " AND ";
}
result += xnode.Name + "=@C_" + xnode.Name;
pars.Add(new SqlParameter("@C_" + xnode.Name, xnode.InnerText));
}
}
else
{
result = " 1=1 ";
}
model.PARS = ConvertSqlParamsListToSqlParameters(pars);
model.SQL = string.Format(model.SQL, result);
return(model);
}
private static List <XmlToList> ConvertXmlToSqlCommand(XmlDocument xml)
{
List <XmlToList> list = new List <XmlToList>();
try
{
XmlNodeList xmlList = xml.SelectSingleNode("data").ChildNodes;
foreach (XmlNode node in xmlList)
{
if (node.Name == "item")
{
XmlToList xtl = new XmlToList();
xtl.SQL = node.SelectNodes("cmd")[0].InnerText;
xtl.PARS = XmlToParameter(node.SelectNodes("cmdpars"));
if (node.SelectNodes("table").Count > 0)
{
xtl.TABLENAME = node.SelectNodes("table")[0].InnerText;
}
list.Add(xtl);
}
}
}
catch (Exception ex) { }
return(list);
}
/// <summary>
/// 解析查询条件。
/// </summary>
/// <param name="xml"></param>
/// <returns></returns>
public static XmlToList ConvertXmlToQueryCondition_FullForamt(XmlDocument xml)
{
XmlToList model = new XmlToList();
model.SQL = "";
try
{
List <SqlParameter> pars = new List <SqlParameter>();
#region 解析xml查询条件
int conditonrowIndex = 0;
XmlNodeList xmlList = xml.SelectSingleNode("data").ChildNodes;
foreach (XmlNode nodeRoot in xmlList)
{
if (nodeRoot.Name == "querycondition")
{
xmlList = nodeRoot.SelectNodes("item");// xml.SelectSingleNode("querycondition").ChildNodes;
foreach (XmlNode node in xmlList)
{
//if (node.Name == "item")
{
//XmlToList model = new XmlToList();
XmlNodeList xfieldname = node.SelectNodes("fieldname"); //查询条件字段
XmlNodeList xfieldtype = node.SelectNodes("fieldtype"); //查询条件字段
XmlNodeList xlbrackets = node.SelectNodes("lbrackets"); //左括号
XmlNodeList xrbrackets = node.SelectNodes("rbrackets"); //右括号
XmlNodeList xjoin = node.SelectNodes("join"); //连接符
XmlNodeList xcompare = node.SelectNodes("compare"); //比较符
XmlNodeList xvalue = node.SelectNodes("value"); //值
if (xfieldname.Count == 1) //判断节点信息是否正确；判断依据，有且仅有一个字段节点信息
{
//if (xvalue1.Count == 1 || xvalue2.Count == 1)
// if (model.SQL.Length > 0)
// ( and xxx = xxx )
if (xvalue.Item(0).InnerText.Length > 0)
{
if (xcompare.Item(0).InnerText.ToLower() == "like")
{
model.SQL += " " + xjoin.Item(0).InnerText + " " + xlbrackets.Item(0).InnerText + " " + xfieldname.Item(0).InnerText + " " + xcompare.Item(0).InnerText + " '%'+@" + xfieldname.Item(0).InnerText + "_" + conditonrowIndex.ToString() + "+'%' " + xrbrackets.Item(0).InnerText;
}
else
{
model.SQL += " " + xjoin.Item(0).InnerText + " " + xlbrackets.Item(0).InnerText + " " + xfieldname.Item(0).InnerText + " " + xcompare.Item(0).InnerText + " @" + xfieldname.Item(0).InnerText + "_" + conditonrowIndex.ToString() + " " + xrbrackets.Item(0).InnerText;
}
pars.Add(new SqlParameter("@" + xfieldname.Item(0).InnerText + "_" + conditonrowIndex.ToString(), xvalue.Item(0).InnerText));
conditonrowIndex += 1;
}
}
//list.Add(model);
}
}
}
}
#endregion
model.PARS = ConvertSqlParamsListToSqlParameters(pars);
}
catch (Exception ex)
{
//错误时
}
return(model);
}
public static XmlToList ConvertXmlToQueryCondition_toString(XmlDocument xml)
{
XmlToList model = new XmlToList();
model.SQL = "";
try
{
#region 解析xml查询条件
XmlNodeList xmlList = xml.SelectSingleNode("querycondition").ChildNodes;
foreach (XmlNode node in xmlList)
{
if (node.Name == "item")
{
//XmlToList model = new XmlToList();
XmlNodeList xfield = node.SelectNodes("field"); //字段
XmlNodeList xvalue1 = node.SelectNodes("field_value_start"); //
XmlNodeList xvalue2 = node.SelectNodes("field_value_end"); //动作
if (xfield.Count == 1)
{
if (xvalue1.Count == 1 || xvalue2.Count == 1)
{
if (xvalue1.Count == 1)
{
if (xvalue1.Item(0).Attributes.Count > 0)
{
string calculationoperator = xvalue1.Item(0).Attributes["calculationoperator"].Value;
if (calculationoperator == "包含")
{
calculationoperator = "like";
}
else if (calculationoperator == "等于")
{
calculationoperator = "=";
}
else if (calculationoperator == "大于等于")
{
calculationoperator = ">=";
}
else if (calculationoperator == "小于等于")
{
calculationoperator = "<=";
}
else
{
calculationoperator = "=";
}
if (calculationoperator == "like")
{
if (model.SQL.Length > 0)
{
model.SQL += " and ";
}
model.SQL += " " + xfield.Item(0).InnerText + " like '%" + xvalue1.Item(0).InnerText.Replace("'", "''") + "%' ";
}
else
{
if (model.SQL.Length > 0)
{
model.SQL += " and ";
}
model.SQL += " " + xfield.Item(0).InnerText + " " + calculationoperator + " '" + xvalue1.Item(0).InnerText.Replace("'", "''") + "' ";
}
}
}
if (xvalue2.Count == 1)
{
if (xvalue2.Item(0).Attributes.Count > 0)
{
string calculationoperator = xvalue2.Item(0).Attributes["calculationoperator"].Value;
if (calculationoperator == "包含")
{
calculationoperator = "like";
}
else if (calculationoperator == "等于")
{
calculationoperator = "=";
}
else if (calculationoperator == "大于等于")
{
calculationoperator = ">=";
}
else if (calculationoperator == "小于等于")
{
calculationoperator = "<=";
}
else
{
calculationoperator = "=";
}
if (calculationoperator == "like")
{
if (model.SQL.Length > 0)
{
model.SQL += " and ";
}
model.SQL += " " + xfield.Item(0).InnerText + " like '%" + xvalue2.Item(0).InnerText.Replace("'", "''") + "%' ";
}
else
{
if (model.SQL.Length > 0)
{
model.SQL += " and ";
}
model.SQL += " " + xfield.Item(0).InnerText + " " + calculationoperator + " '" + xvalue2.Item(0).InnerText.Replace("'", "''") + "' ";
}
}
}
}
}
//list.Add(model);
}
else
{
//意外数据
}
}
#endregion
}
catch (Exception ex)
{
//错误时
}
return(model);
}
public static XmlToList ConvertXmlToQueryCondition(XmlDocument xml)
{
XmlToList model = new XmlToList();
model.SQL = "";
try
{
List <SqlParameter> pars = new List <SqlParameter>();
#region 解析xml查询条件
XmlNodeList xmlList = xml.SelectSingleNode("querycondition").ChildNodes;
foreach (XmlNode node in xmlList)
{
if (node.Name == "item")
{
//XmlToList model = new XmlToList();
XmlNodeList xfield = node.SelectNodes("field"); //字段
XmlNodeList xvalue1 = node.SelectNodes("field_value_start"); //
XmlNodeList xvalue2 = node.SelectNodes("field_value_end"); //动作
if (xfield.Count == 1)
{
if (xvalue1.Count == 1 || xvalue2.Count == 1)
{
if (xvalue1.Count == 1)
{
if (xvalue1.Item(0).Attributes.Count > 0)
{
string calculationoperator = xvalue1.Item(0).Attributes["calculationoperator"].Value;
if (calculationoperator == "包含")
{
calculationoperator = "like";
}
else if (calculationoperator == "等于")
{
calculationoperator = "=";
}
else if (calculationoperator == "大于等于")
{
calculationoperator = ">=";
}
else if (calculationoperator == "小于等于")
{
calculationoperator = "<=";
}
else
{
calculationoperator = "=";
}
if (calculationoperator == "like")
{
if (model.SQL.Length > 0)
{
model.SQL += " and ";
}
model.SQL += " " + xfield.Item(0).InnerText + " like '%' +@" + xfield.Item(0).InnerText + "_start +'%' ";
pars.Add(new SqlParameter("@" + xfield.Item(0).InnerText + "_start", xvalue1.Item(0).InnerText));
}
else
{
if (model.SQL.Length > 0)
{
model.SQL += " and ";
}
model.SQL += " " + xfield.Item(0).InnerText + " " + calculationoperator + " @" + xfield.Item(0).InnerText + "_start ";
pars.Add(new SqlParameter("@" + xfield.Item(0).InnerText + "_start", xvalue1.Item(0).InnerText));
}
}
}
if (xvalue2.Count == 1)
{
if (xvalue2.Item(0).Attributes.Count > 0)
{
string calculationoperator = xvalue2.Item(0).Attributes["calculationoperator"].Value;
if (calculationoperator == "包含")
{
calculationoperator = "like";
}
else if (calculationoperator == "等于")
{
calculationoperator = "=";
}
else if (calculationoperator == "大于等于")
{
calculationoperator = ">=";
}
else if (calculationoperator == "小于等于")
{
calculationoperator = "<=";
}
else
{
calculationoperator = "=";
}
if (calculationoperator == "like")
{
if (model.SQL.Length > 0)
{
model.SQL += " and ";
}
model.SQL += " " + xfield.Item(0).InnerText + " like '%' +@" + xfield.Item(0).InnerText + "_end +'%' ";
pars.Add(new SqlParameter("@" + xfield.Item(0).InnerText + "_end", xvalue2.Item(0).InnerText));
}
else
{
if (model.SQL.Length > 0)
{
model.SQL += " and ";
}
model.SQL += " " + xfield.Item(0).InnerText + " " + calculationoperator + " @" + xfield.Item(0).InnerText + "_end ";
pars.Add(new SqlParameter("@" + xfield.Item(0).InnerText + "_end", xvalue2.Item(0).InnerText));
}
}
}
}
}
//list.Add(model);
}
else
{
//意外数据
}
}
#endregion
model.PARS = ConvertSqlParamsListToSqlParameters(pars);
}
catch (Exception ex)
{
//错误时
}
return(model);
}
//转换为执行语句
private static XmlToList XmlToExec(XmlNodeList table, XmlNodeList sqlparameters)
{
XmlToList model = new XmlToList();
List <SqlParameter> pars = new List <SqlParameter>();
model.SQL = table.Item(0).InnerText;
string result = string.Empty;
foreach (XmlNode xnode in sqlparameters.Item(0).ChildNodes)
{
string type = "string";
if (xnode.Attributes.Count > 0)
{
type = xnode.Attributes["type"].Value;
if (type.Length <= 0 || type == "undefined")
{
type = "string";
}
}
result += "@" + xnode.Name + ",";
if (type == "date" || type == "datetime")
{
if (xnode.InnerText == "null")
{
pars.Add(new SqlParameter("@" + xnode.Name, DBNull.Value));
}
else
{
pars.Add(new SqlParameter("@" + xnode.Name, xnode.InnerText));
}
}
else
{
pars.Add(new SqlParameter("@" + xnode.Name, xnode.InnerText));
}
}
if (result.Length > 0)
{
result = result.Remove(result.Length - 1, 1);
}
if (pars.Count > 0)
{
model.SQL = model.SQL + " {0}";
model.SQL = string.Format(model.SQL, result);
}
model.PARS = ConvertSqlParamsListToSqlParameters(pars);
return(model);
}
//转换为修改语句
private static XmlToList XmlToUpdate(XmlNodeList table, XmlNodeList fields, XmlNodeList where)
{
XmlToList model = new XmlToList();
List <SqlParameter> pars = new List <SqlParameter>();
model.SQL = "UPDATE " + table.Item(0).InnerText + " SET {0} WHERE {1}";
string field = string.Empty;
string result = string.Empty;
foreach (XmlNode xnode in fields.Item(0).ChildNodes)
{
string type = "string";
if (xnode.Attributes.Count > 0)
{
type = xnode.Attributes["type"].Value;
if (type.Length <= 0 || type == "undefined")
{
type = "string";
}
}
type = type.ToLower();
if (type == "date" || type == "datetime")
{
if (xnode.InnerText == "null")
{
field += xnode.Name + "=" + "@" + xnode.Name + ",";
pars.Add(new SqlParameter("@" + xnode.Name, DBNull.Value));
}
else if (xnode.InnerText.ToLower().IndexOf("getdate()") >= 0)
{
//pars.Add(new SqlParameter("@" + xnode.Name, xnode.InnerText));
field += xnode.Name + "=" + xnode.InnerText + ",";
}
else
{
field += xnode.Name + "=" + "@" + xnode.Name + ",";
pars.Add(new SqlParameter("@" + xnode.Name, xnode.InnerText));
}
}
else
{
field += xnode.Name + "=" + "@" + xnode.Name + ",";
pars.Add(new SqlParameter("@" + xnode.Name, xnode.InnerText));
}
//pars.Add(new SqlParameter("@" + xnode.Name, xnode.InnerText));
}
if (where.Count == 1)
{
foreach (XmlNode xnode in where.Item(0).ChildNodes)
{
if (!string.IsNullOrEmpty(result))
{
result += " AND ";
}
result += xnode.Name + "=@C_" + xnode.Name;
pars.Add(new SqlParameter("@C_" + xnode.Name, xnode.InnerText));
}
}
else
{
result = " 1=1 ";
}
if (!string.IsNullOrEmpty(field))
{
field = field.Remove(field.Length - 1, 1);
}
else
{
throw new Exception("修改时找不到需要修改的字段.");
}
model.PARS = ConvertSqlParamsListToSqlParameters(pars);
model.SQL = string.Format(model.SQL, field, result);
return(model);
}
//转换为插入语句
private static XmlToList XmlToInseret(XmlNodeList table, XmlNodeList fields)
{
XmlToList model = new XmlToList();
List <SqlParameter> pars = new List <SqlParameter>();
model.SQL = "INSERT INTO " + table.Item(0).InnerText + " ({0}) VALUES({1});";
string field = string.Empty;
string result = string.Empty;
foreach (XmlNode xnode in fields.Item(0).ChildNodes)
{
string type = "string";
if (xnode.Attributes.Count > 0)
{
type = xnode.Attributes["type"].Value;
if (type.Length <= 0 || type == "undefined")
{
type = "string";
}
}
type = type.ToLower();
//时间
if (type == "date" || type == "datetime")
{
if (xnode.InnerText == "null")
{
field += xnode.Name + ",";
result += "@" + xnode.Name + ",";
pars.Add(new SqlParameter("@" + xnode.Name, DBNull.Value));
}
else if (xnode.InnerText.ToLower().IndexOf("getdate()") >= 0)
{
//pars.Add(new SqlParameter("@" + xnode.Name, xnode.InnerText));
field += xnode.Name + ",";
result += "" + xnode.InnerText + ",";
}
else
{
field += xnode.Name + ",";
result += "@" + xnode.Name + ",";
pars.Add(new SqlParameter("@" + xnode.Name, xnode.InnerText));
}
}
else
{
field += xnode.Name + ",";
result += "@" + xnode.Name + ",";
pars.Add(new SqlParameter("@" + xnode.Name, xnode.InnerText));
}
}
field = field.Remove(field.Length - 1, 1);
result = result.Remove(result.Length - 1, 1);
model.SQL = string.Format(model.SQL, field, result);
model.PARS = ConvertSqlParamsListToSqlParameters(pars);
return(model);
}
public static List <XmlToList> ConvertXmlToSqlCommand(XmlDocument xml)
{
List <XmlToList> list = new List <XmlToList>();
try
{
XmlNodeList xmlList = xml.SelectSingleNode("data").ChildNodes;
foreach (XmlNode node in xmlList)
{
if (node.Name == "assistcmd")
{
//此XML的处理指令
}
else if (node.Name == "item")
{
XmlToList model = new XmlToList();
XmlNodeList xtable = node.SelectNodes("table"); //表
XmlNodeList cmd = node.SelectNodes("cmd"); //动作
if (xtable.Count == 1 && cmd.Count == 1)
{
if (cmd[0].InnerText.ToUpper() == "INSERT")
{
XmlNodeList xfield = node.SelectNodes("fields");//字段
//&& xfield.Count == 1
model = XmlToInseret(xtable, xfield);
}
else if (cmd[0].InnerText.ToUpper() == "UPDATE")
{
XmlNodeList xfield = node.SelectNodes("fields");//字段
XmlNodeList xwhere = node.SelectNodes("conditions");
model = XmlToUpdate(xtable, xfield, xwhere);
}
else if (cmd[0].InnerText.ToUpper() == "DELETE")
{
XmlNodeList xwhere = node.SelectNodes("conditions");
model = XmlToDelete(xtable, xwhere);
}
else if (cmd[0].InnerText.ToUpper() == "EXEC")
{
XmlNodeList xsqlparameters = node.SelectNodes("sqlparameters");
model = XmlToExec(xtable, xsqlparameters);
}
}
XmlNodeList tablename = node.SelectNodes("tablename");//返回结果的表名
if (tablename.Count > 0)
{
model.TABLENAME = cmd[0].InnerText;
}
else
{
model.TABLENAME = "";
}
list.Add(model);
}
else
{
//意外数据
}
}
}
catch (Exception ex)
{
//错误时
}
return(list);
}