/// <summary>
/// 获取model属性标记源代码
/// </summary>
/// <param name="column">列信息</param>
/// <returns>model属性标记源代码</returns>
public virtual string GetAttributeCode(ColumnInfoModel column)
{
if (column == null)
{
throw new ArgumentNullException("column");
}
StringBuilder attsString = new StringBuilder();
string attrFormat = this.GetPropertyAttribute();
if (column.IsKey)
{
attsString.AppendLine(string.Format(attrFormat, "Key"));
}
if (!column.IsKey && !column.IsNullable)
{
attsString.AppendLine(string.Format(attrFormat, "Required"));
}
string s = null;
string propertyType = this.GetPropertyType(column);
if (string.Equals("string", propertyType, StringComparison.OrdinalIgnoreCase) ||
string.Equals("byte[]", propertyType, StringComparison.OrdinalIgnoreCase))
{
s = string.Format("MaxLength({0})", column.MaxLength);
attsString.AppendLine(string.Format(attrFormat, s));
}
else if (string.Equals("decimal", propertyType, StringComparison.OrdinalIgnoreCase))
{
s = string.Format("Decimal({0}, {1})", column.MaxLength, column.MinLength);
attsString.AppendLine(string.Format(attrFormat, s));
}
s = string.Format("Column(\"{0}\")", column.Name); //string.Format("Column(\"{0}\",Order={1})", column.Name, column.Order);
attsString.AppendLine(string.Format(attrFormat, s));
if (!column.IsKey && !string.IsNullOrEmpty(column.IndexName))
{
s = string.Format("Index(\"{0}\", IsUnique = {1})", column.IndexName, column.IsUnique ? "true" : "false");
attsString.AppendLine(string.Format(attrFormat, s));
}
if (string.Equals("int", propertyType, StringComparison.OrdinalIgnoreCase) ||
string.Equals("long", propertyType, StringComparison.OrdinalIgnoreCase))
{
if (column.IsAutoIncrement)
{
attsString.AppendLine(string.Format(attrFormat, "DatabaseGenerated(DatabaseGeneratedOption.Identity)"));
}
else if (!column.IsAutoIncrement && column.IsKey)
{
attsString.AppendLine(string.Format(attrFormat, "DatabaseGenerated(DatabaseGeneratedOption.None)"));
}
}
return(attsString.ToString());
}
/// <summary>
/// 获取model属性源代码
/// </summary>
/// <param name="column">列信息</param>
/// <returns>model属性源代码</returns>
public virtual string GetPropertyCode(ColumnInfoModel column)
{
if (column == null)
{
throw new ArgumentNullException("column");
}
string type = this.GetPropertyType(column);
string propertyName = this.GetPropertyName(column.Name);
return(string.Format(this.GetPropertyFormat(), type ?? "", propertyName ?? ""));
}
/// <summary>
/// 获取model属性源代码
/// </summary>
/// <param name="column">列信息</param>
/// <returns>model属性源代码</returns>
public virtual string GetPropertyCode(ColumnInfoModel column)
{
if (column == null)
{
throw new ArgumentNullException("column");
}
string type = this.GetPropertyType(column);
string propertyName = this.GetPropertyName(column.Name);
string attrs = this.GetAttributeCode(column);
if (!string.IsNullOrEmpty(attrs))
{
attrs = "\r\n" + attrs;
}
return(string.Format(this.GetPropertyFormat(), type ?? "", propertyName ?? "", column.Comment ?? "", attrs));
}
//public abstract bool DeleteTable(string table);
/// <summary>
/// 添加列
/// </summary>
/// <param name="table">表名</param>
/// <param name="column">列信息</param>
/// <returns>是否成功</returns>
public abstract bool AddColumn(string table, ColumnInfoModel column);
/// <summary>
/// 获取列信息
/// </summary>
/// <param name="property">model 属性</param>
/// <param name="table">表名</param>
/// <returns>列信息</returns>
public virtual ColumnInfoModel GetColumnInfo(PropertyInfo property, string table)
{
if (property == null)
{
throw new ArgumentNullException("property");
}
if (string.IsNullOrEmpty(table))
{
throw new ArgumentNullException("table");
}
ColumnInfoModel m = new ColumnInfoModel();
m.Name = property.Name;
int maxlength = 0;
int minlength = 0;
GetColumnInLength(property, out maxlength, out minlength);
Type propertyType = property.PropertyType;
m.IsNullable = false;
if (propertyType.IsGenericType && propertyType.GetGenericTypeDefinition() == typeof(Nullable <>))
{
m.IsNullable = true;
propertyType = propertyType.GetGenericArguments()[0];
}
string dataType = this.GetColumnType(propertyType, maxlength, minlength);
if (string.IsNullOrEmpty(dataType))
{
throw new Exception("未找到" + property.PropertyType.FullName + "对应的数据库类型!");
}
m.DataType = dataType;
m.MaxLength = maxlength;
m.MinLength = minlength;
var atts = property.GetCustomAttributes(typeof(ColumnAttribute), false);
if (atts != null && atts.Length > 0)
{
var att = atts[0] as ColumnAttribute;
if (!string.IsNullOrEmpty(att.Name))
{
m.Name = att.Name;
}
}
m.IsAutoIncrement = false;
if (propertyType == typeof(int) || propertyType == typeof(uint) ||
propertyType == typeof(long) || propertyType == typeof(ulong))
{
atts = property.GetCustomAttributes(typeof(DatabaseGeneratedAttribute), false);
if (atts != null && atts.Length > 0)
{
var att = atts[0] as DatabaseGeneratedAttribute;
if (att.DatabaseGeneratedOption == DatabaseGeneratedOption.Identity)
{
m.IsAutoIncrement = true;
}
}
}
m.IsKey = false;
m.IsNonClustered = false;
atts = property.GetCustomAttributes(typeof(KeyAttribute), false);
if (atts != null && atts.Length > 0)
{
m.IsKey = true;
atts = property.GetCustomAttributes(typeof(NonClusteredAttribute), false);
m.IsNonClustered = atts != null && atts.Length > 0;
}
else
{
if (!propertyType.IsValueType)
{
m.IsNullable = true;
atts = property.GetCustomAttributes(typeof(RequiredAttribute), false);
if (atts != null && atts.Length > 0)
{
m.IsNullable = false;
}
}
atts = property.GetCustomAttributes(typeof(IndexAttribute), false);
if (atts != null && atts.Length > 0)
{
m.Indexs = new List <IndexModel>(atts.Length);
foreach (var o in atts)
{
var att = o as IndexAttribute;
var index = new IndexModel();
m.Indexs.Add(index);
index.ColumnName = m.Name;
index.IsUnique = att.IsUnique;
if (!string.IsNullOrEmpty(att.Name))
{
index.Name = att.Name;
}
else
{
m.Name = string.Format("IX_{0}_{1}", table, m.Name);
}
}
}
}
m.Comment = this.GetComment(property.DeclaringType.Assembly, "P:" + property.DeclaringType.FullName + "." + property.Name) ?? string.Empty;
return(m);
}
/// <summary> /// 获取model属性类型string /// </summary> /// <param name="column">列信息</param> /// <returns>model属性类型string</returns> public abstract string GetPropertyType(ColumnInfoModel column);
/// <summary>
/// 获取列信息
/// </summary>
/// <param name="property">model 属性</param>
/// <param name="table">表名</param>
/// <returns>列信息</returns>
public virtual ColumnInfoModel GetColumnInfo(PropertyInfo property, string table)
{
if (property == null)
{
throw new ArgumentNullException("property");
}
if (string.IsNullOrEmpty(table))
{
throw new ArgumentNullException("table");
}
ColumnInfoModel m = null;
int maxlength = 0;
int minlength = 0;
GetColumnInLength(property, out maxlength, out minlength);
string dataType = this.GetColumnType(property.PropertyType, maxlength, minlength);
if (string.IsNullOrEmpty(dataType))
{
throw new Exception("未找到" + property.PropertyType.FullName + "对应的数据库类型!");
}
m = new ColumnInfoModel();
m.Name = property.Name;
m.DataType = dataType;
m.MaxLength = maxlength;
m.MinLength = minlength;
var atts = property.GetCustomAttributes(typeof(ColumnAttribute), false);
if (atts != null && atts.Length > 0)
{
var att = atts[0] as ColumnAttribute;
if (!string.IsNullOrEmpty(att.Name))
{
m.Name = att.Name;
}
}
m.IsAutoIncrement = false;
atts = property.GetCustomAttributes(typeof(DatabaseGeneratedAttribute), false);
if (atts != null && atts.Length > 0)
{
var att = atts[0] as DatabaseGeneratedAttribute;
if (att.DatabaseGeneratedOption == DatabaseGeneratedOption.Identity)
{
m.IsAutoIncrement = true;
}
}
m.IsKey = false;
m.IsUnique = false;
m.IsNullable = true;
atts = property.GetCustomAttributes(typeof(KeyAttribute), false);
if (atts != null && atts.Length > 0)
{
m.IsKey = true;
m.IsUnique = true;
m.IsNullable = false;
}
else
{
atts = property.GetCustomAttributes(typeof(RequiredAttribute), false);
if (atts != null && atts.Length > 0)
{
m.IsNullable = false;
}
atts = property.GetCustomAttributes(typeof(IndexAttribute), false);
if (atts != null && atts.Length > 0)
{
var att = atts[0] as IndexAttribute;
m.IsUnique = att.IsUnique;
if (!string.IsNullOrEmpty(att.Name))
{
m.IndexName = att.Name;
}
else
{
m.IndexName = string.Format("IX_{0}_{1}", table, m.Name);
}
}
}
return(m);
}
