/// <summary>
/// 转换为共同属性的集合
/// </summary>
/// <typeparam name="TDest"></typeparam>
/// <param name="source"></param>
/// <returns></returns>
public static List <TDest> ToType <TDest>(this IEnumerable source)
where TDest : class, new()
{
var simpleTypes = typeof(TDest).GetProperties();
List <PropertyInfo> complexTypes = null;
List <TDest> list = new List <TDest>();
foreach (var item in source)
{
TDest obj = new TDest();
if (complexTypes == null)
{
complexTypes = item.GetType().GetProperties().ToList();
complexTypes.RemoveAll(b => b.Name == "Item");
}
foreach (var info in simpleTypes)
{
var complexInfo = complexTypes.Find(b => b.Name == info.Name);
if (complexInfo != null)
{
object value = complexInfo.GetValue(item, null);
value = ObjectConvert.ConvertObject(info.PropertyType, value);
info.SetValue(obj, value, null);
}
}
list.Add(obj);
}
return(list);
}
/// <summary>
/// 指定替换对象返回单个结果
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="sql"></param>
/// <param name="types"></param>
/// <returns></returns>
public T ExecScalar <T>(string sql, params Type[] types)
{
sql = _DBAdapter.SqlFormat(sql);
var obj = ExecScalar(sql, types);
return(ObjectConvert.ConvertObject <T>(obj));
}
/// <summary>
/// 返回首行首列
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="sql"></param>
/// <param name="types"></param>
/// <returns></returns>
public T AutoExecuteScalar <T>(string sql, params Type[] types)
{
object obj;
sql = _DBAdapter.SqlFormat(sql);
sql = AutoFormat(sql, types);
sql = _DBAdapter.SqlFormat(sql);
string sp = CompileSqlToSp(_DBAdapter.TemplateSp, sql);
try
{
obj = RunScalar(sp);
}
catch (Exception ero)
{
if (ero.Message.Contains("找不到存储过程"))//删除后自动创建
{
spCahe.Remove(sp);
sp = CompileSqlToSp(_DBAdapter.TemplateSp, sql);
obj = RunScalar(sp);
}
throw ero;
}
ClearParame();
return(ObjectConvert.ConvertObject <T>(obj));
}
/// <summary>
/// 返回首行首列
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="sql"></param>
/// <param name="types"></param>
/// <returns></returns>
public T AutoExecuteScalar <T>(string sql, params Type[] types)
{
object obj;
sql = _DBAdapter.SqlFormat(sql);
sql = AutoFormat(sql, types);
sql = _DBAdapter.SqlFormat(sql);
string sp = CompileSqlToSp(_DBAdapter.TemplateSp, sql);
obj = RunScalar(sp);
ClearParame();
return(ObjectConvert.ConvertObject <T>(obj));
}
static object ToType(Dictionary <string, PropertyInfo> sourceTypes, Dictionary <string, PropertyInfo> destTypes, object source, Type toType)
{
if (source == null)
{
return(null);
}
object obj;
//obj = System.Activator.CreateInstance(toType);
try
{
obj = System.Runtime.Serialization.FormatterServices.GetUninitializedObject(toType);
}
catch
{
throw new CRLException(string.Format("{1}不能转换为{0},请检查属性定义", toType, source.GetType()));
}
foreach (var kv in destTypes)
{
var key = kv.Key;
var info = kv.Value;
PropertyInfo sourceInfo;
var a = sourceTypes.TryGetValue(key, out sourceInfo);
if (!a)
{
continue;
}
object value;
var nameSpace = sourceInfo.PropertyType.Namespace;
if (nameSpace == "System" || sourceInfo.PropertyType.BaseType == typeof(Enum))
{
value = sourceInfo.GetValue(source, null);
value = ObjectConvert.ConvertObject(info.PropertyType, value);
}
else//如果是class,则再转换一次
{
object value2 = sourceInfo.GetValue(source, null);
if (value2 == null)
{
continue;
}
var sourceTypes2 = GetObjProperty(sourceInfo.PropertyType);
var destTypes2 = GetObjProperty(info.PropertyType);
value = ToType(sourceTypes2, destTypes2, value2, info.PropertyType);
}
info.SetValue(obj, value, null);
}
return(obj);
}
static object ToType(IEnumerable <PropertyInfo> sourceTypes, IEnumerable <PropertyInfo> destTypes, object source, Type toType)
{
if (source == null)
{
return(null);
}
object obj;
//obj = System.Activator.CreateInstance(toType);
try
{
obj = System.Activator.CreateInstance(toType);
}
catch
{
throw new CRLException(string.Format("{1}不能转换为{0},请检查属性定义", toType, source.GetType()));
}
foreach (var info in destTypes)
{
var sourceInfo = sourceTypes.Find(b => b.Name.ToLower() == info.Name.ToLower());
if (sourceInfo != null)
{
object value;
var nameSpace = sourceInfo.PropertyType.Namespace;
if (nameSpace == "System" || sourceInfo.PropertyType.BaseType == typeof(Enum))
{
value = sourceInfo.GetValue(source, null);
value = ObjectConvert.ConvertObject(info.PropertyType, value);
}
else//如果是class,则再转换一次
{
object value2 = sourceInfo.GetValue(source, null);
if (value2 == null)
{
continue;
}
var sourceTypes2 = sourceInfo.PropertyType.GetProperties().ToList();
sourceTypes2.RemoveAll(b => b.SetMethod == null || (b.SetMethod != null && b.SetMethod.Name == "set_Item"));
var destTypes2 = info.PropertyType.GetProperties().ToList();
destTypes2.RemoveAll(b => b.SetMethod == null || (b.SetMethod != null && b.SetMethod.Name == "set_Item"));
value = ToType(sourceTypes2, destTypes2, value2, info.PropertyType);
}
info.SetValue(obj, value, null);
}
}
return(obj);
}
/// <summary>
/// 转换共同属性的对象
/// </summary>
/// <typeparam name="TDest"></typeparam>
/// <param name="source"></param>
/// <returns></returns>
public static TDest ToType <TDest>(this object source)
where TDest : class, new()
{
var simpleTypes = typeof(TDest).GetProperties();
List <PropertyInfo> complexTypes = source.GetType().GetProperties().ToList();
complexTypes.RemoveAll(b => b.Name == "Item");
TDest obj = new TDest();
foreach (var info in simpleTypes)
{
var complexInfo = complexTypes.Find(b => b.Name == info.Name);
if (complexInfo != null)
{
object value = complexInfo.GetValue(source, null);
value = ObjectConvert.ConvertObject(info.PropertyType, value);
info.SetValue(obj, value, null);
}
}
return(obj);
}
public T GetOutParam <T>(string name)
{
var obj = helper.GetOutParam(name);
return(ObjectConvert.ConvertObject <T>(obj));
}
