代码生成器的关键代码（读取PDM文件）
/// <summary>
/// 处理PDM文件
/// </summary>
public class DoPDMDal:IDoDataBaseDal
{
public List<DataBaseInfo> GetDataBaseTable()
{
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load(AppSettings.PdmFilePath);
XmlNamespaceManager xmlnsManager = new XmlNamespaceManager(xmlDoc.NameTable);
xmlnsManager.AddNamespace("a", "attribute");
xmlnsManager.AddNamespace("c", "collection");
xmlnsManager.AddNamespace("o", "object");
XmlNode xnTables = xmlDoc.SelectSingleNode("//" + "c:Tables", xmlnsManager);
List<PDMTableInfo> Tables = new List<PDMTableInfo>();
foreach (XmlNode xnTable in xnTables.ChildNodes)
{
Tables.Add(GetTable(xnTable));
}
List<DataBaseInfo> list = new List<DataBaseInfo>();
foreach (var m in Tables)
{
DataBaseInfo entity = new DataBaseInfo();
entity.TableName=m.Code;
list.Add(entity);
}
return list;
}
public List<TableInfo> GetTableColumnName(string tableName)
{
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load(AppSettings.PdmFilePath);
XmlNamespaceManager xmlnsManager = new XmlNamespaceManager(xmlDoc.NameTable);
xmlnsManager.AddNamespace("a", "attribute");
xmlnsManager.AddNamespace("c", "collection");
xmlnsManager.AddNamespace("o", "object");
XmlNode xnTables = xmlDoc.SelectSingleNode("//" + "c:Tables", xmlnsManager);
List<PDMColumnInfo> list = new List<PDMColumnInfo>();
foreach (XmlNode xnTable in xnTables.ChildNodes)
{
PDMTableInfo entity = GetTable(xnTable);
if(entity.Code==tableName)
list= GetTable(xnTable).Columns.ToList();
}
List<TableInfo> tableInfoList = new List<TableInfo>();
foreach (var m in list)
{
tableInfoList.Add(
new TableInfo()
{
ColumnName=m.Code,
ColumnType=m.DataType
}
);
}
return tableInfoList;
}
//初始化"o:Table"的节点
private PDMTableInfo GetTable(XmlNode xnTable)
{
PDMTableInfo mTable = new PDMTableInfo();
XmlElement xe = (XmlElement)xnTable;
mTable.TableId = xe.GetAttribute("Id");
XmlNodeList xnTProperty = xe.ChildNodes;
foreach (XmlNode xnP in xnTProperty)
{
switch (xnP.Name)
{
case "a:ObjectID": mTable.ObjectID = xnP.InnerText;
break;
case "a:Name": mTable.Name = xnP.InnerText;
break;
case "a:Code": mTable.Code = xnP.InnerText;
break;
case "a:CreationDate": mTable.CreationDate = Convert.ToInt32(xnP.InnerText);
break;
case "a:Creator": mTable.Creator = xnP.InnerText;
break;
case "a:ModificationDate": mTable.ModificationDate = Convert.ToInt32(xnP.InnerText);
break;
case "a:Modifier": mTable.Modifier = xnP.InnerText;
break;
case "a:Comment": mTable.Comment = xnP.InnerText;
break;
case "a:PhysicalOptions": mTable.PhysicalOptions = xnP.InnerText;
break;
case "c:Columns": InitColumns(xnP, mTable);
break;
case "c:Keys": InitKeys(xnP, mTable);
break;
}
}
return mTable;
}
//初始化"c:Columns"的节点
private void InitColumns(XmlNode xnColumns, PDMTableInfo pTable)
{
foreach (XmlNode xnColumn in xnColumns)
{
pTable.AddColumn(GetColumn(xnColumn));
}
}
//初始化c:Keys"的节点
private void InitKeys(XmlNode xnKeys, PDMTableInfo pTable)
{
foreach (XmlNode xnKey in xnKeys)
{
pTable.AddKey(GetKey(xnKey));
}
}
private PDMColumnInfo GetColumn(XmlNode xnColumn)
{
PDMColumnInfo mColumn = new PDMColumnInfo();
XmlElement xe = (XmlElement)xnColumn;
mColumn.ColumnId = xe.GetAttribute("Id");
XmlNodeList xnCProperty = xe.ChildNodes;
foreach (XmlNode xnP in xnCProperty)
{
switch (xnP.Name)
{
case "a:ObjectID": mColumn.ObjectID = xnP.InnerText;
break;
case "a:Name": mColumn.Name = xnP.InnerText;
break;
case "a:Code": mColumn.Code = xnP.InnerText;
break;
case "a:CreationDate": mColumn.CreationDate = Convert.ToInt32(xnP.InnerText);
break;
case "a:Creator": mColumn.Creator = xnP.InnerText;
break;
case "a:ModificationDate": mColumn.ModificationDate = Convert.ToInt32(xnP.InnerText);
break;
case "a:Modifier": mColumn.Modifier = xnP.InnerText;
break;
case "a:Comment": mColumn.Comment = xnP.InnerText;
break;
case "a:DataType": mColumn.DataType = xnP.InnerText;
break;
case "a:Length": mColumn.Length = xnP.InnerText;
break;
case "a:Identity": mColumn.Identity = ConvertToBooleanPG(xnP.InnerText);
break;
case "a:Mandatory": mColumn.Mandatory = ConvertToBooleanPG(xnP.InnerText);
break;
case "a:PhysicalOptions": mColumn.PhysicalOptions = xnP.InnerText;
break;
case "a:ExtendedAttributesText": mColumn.ExtendedAttributesText = xnP.InnerText;
break;
}
}
return mColumn;
}
private PDMKey GetKey(XmlNode xnKey)
{
PDMKey mKey = new PDMKey();
XmlElement xe = (XmlElement)xnKey;
mKey.KeyId = xe.GetAttribute("Id");
XmlNodeList xnKProperty = xe.ChildNodes;
foreach (XmlNode xnP in xnKProperty)
{
switch (xnP.Name)
{
case "a:ObjectID": mKey.ObjectID = xnP.InnerText;
break;
case "a:Name": mKey.Name = xnP.InnerText;
break;
case "a:Code": mKey.Code = xnP.InnerText;
break;
case "a:CreationDate": mKey.CreationDate = Convert.ToInt32(xnP.InnerText);
break;
case "a:Creator": mKey.Creator = xnP.InnerText;
break;
case "a:ModificationDate": mKey.ModificationDate = Convert.ToInt32(xnP.InnerText);
break;
case "a:Modifier": mKey.Modifier = xnP.InnerText;
break;
//还差 <c:Key.Columns>
}
}
return mKey;
}
private static Boolean ConvertToBooleanPG(Object obj)
{
if (obj != null)
{
string mStr = obj.ToString();
mStr = mStr.ToLower();
if ((mStr.Equals("y") || mStr.Equals("1")) || mStr.Equals("true"))
{
return true;
}
}
return false;
}
}
种个实体：
public class PDMColumnInfo
{
public PDMColumnInfo()
{ }
string columnId;
public string ColumnId
{
get { return columnId; }
set { columnId = value; }
}
string objectID;
public string ObjectID
{
get { return objectID; }
set { objectID = value; }
}
string name;
public string Name
{
get { return name; }
set { name = value; }
}
string code;
public string Code
{
get { return code; }
set { code = value; }
}
int creationDate;
public int CreationDate
{
get { return creationDate; }
set { creationDate = value; }
}
string creator;
public string Creator
{
get { return creator; }
set { creator = value; }
}
int modificationDate;
public int ModificationDate
{
get { return modificationDate; }
set { modificationDate = value; }
}
string modifier;
public string Modifier
{
get { return modifier; }
set { modifier = value; }
}
string comment;
public string Comment
{
get { return comment; }
set { comment = value; }
}
string dataType;
public string DataType
{
get { return dataType; }
set
{
if (value.Contains("nvarchar") || value.Contains("varchar"))
{
value = "string";
}
if (value.Contains("money"))
{
value = "decimal";
}
dataType = value;
}
}
string length;
public string Length
{
get { return length; }
set { length = value; }
}
//是否自增量
bool identity;
public bool Identity
{
get { return identity; }
set { identity = value; }
}
bool mandatory;
//禁止为空
public bool Mandatory
{
get { return mandatory; }
set { mandatory = value; }
}
string extendedAttributesText;
//扩展属性
public string ExtendedAttributesText
{
get { return extendedAttributesText; }
set { extendedAttributesText = value; }
}
string physicalOptions;
public string PhysicalOptions
{
get { return physicalOptions; }
set { physicalOptions = value; }
}
}
public class PDMKey
{
public PDMKey()
{
}
string keyId;
public string KeyId
{
get { return keyId; }
set { keyId = value; }
}
string objectID;
public string ObjectID
{
get { return objectID; }
set { objectID = value; }
}
string name;
public string Name
{
get { return name; }
set { name = value; }
}
string code;
public string Code
{
get { return code; }
set { code = value; }
}
int creationDate;
public int CreationDate
{
get { return creationDate; }
set { creationDate = value; }
}
string creator;
public string Creator
{
get { return creator; }
set { creator = value; }
}
int modificationDate;
public int ModificationDate
{
get { return modificationDate; }
set { modificationDate = value; }
}
string modifier;
public string Modifier
{
get { return modifier; }
set { modifier = value; }
}
IList<PDMColumnInfo> columns;
public IList<PDMColumnInfo> Columns
{
get { return columns; }
}
public void AddColumn(PDMColumnInfo mColumn)
{
if (columns == null)
columns = new List<PDMColumnInfo>();
columns.Add(mColumn);
}
}
public class PDMTableInfo
{
public PDMTableInfo()
{
}
string tableId;
public string TableId
{
get { return tableId; }
set { tableId = value; }
}
string objectID;
public string ObjectID
{
get { return objectID; }
set { objectID = value; }
}
string name;
public string Name
{
get { return name; }
set { name = value; }
}
string code;
public string Code
{
get { return code; }
set { code = value; }
}
int creationDate;
public int CreationDate
{
get { return creationDate; }
set { creationDate = value; }
}
string creator;
public string Creator
{
get { return creator; }
set { creator = value; }
}
int modificationDate;
public int ModificationDate
{
get { return modificationDate; }
set { modificationDate = value; }
}
string modifier;
public string Modifier
{
get { return modifier; }
set { modifier = value; }
}
string comment;
public string Comment
{
get { return comment; }
set { comment = value; }
}
string physicalOptions;
public string PhysicalOptions
{
get { return physicalOptions; }
set { physicalOptions = value; }
}
IList<PDMColumnInfo> columns;
public IList<PDMColumnInfo> Columns
{
get { return columns; }
}
IList<PDMKey> keys;
public IList<PDMKey> Keys
{
get { return keys; }
}
public void AddColumn(PDMColumnInfo mColumn)
{
if (columns == null)
columns = new List<PDMColumnInfo>();
columns.Add(mColumn);
}
public void AddKey(PDMKey mKey)
{
if (keys == null)
keys = new List<PDMKey>();
keys.Add(mKey);
}
}