public List <SystemObjectFields> GetSystemObjectFields <T>()
{
var para = new Hashtable();
var typeT = typeof(T);
TableMappingAttribute attribute = BaseDaoAttribute.GetTableMappingAttribute(typeT);
if (attribute == null)
{
return(null);
}
para.Add("ObjectName", attribute.TableName);
return(QueryForList <SystemObjectFields>("QuerySystemObjectFields", para));
}
public List <T> GetDataList <T>(string exp, string orderExp, bool isDesc = true)
{
var typeT = typeof(T);
TableMappingAttribute attribute = BaseDaoAttribute.GetTableMappingAttribute(typeT);
if (attribute == null)
{
return(null);
}
var sql = $"SELECT *FROM dbo.{attribute.TableName} WHERE {exp}";
var para = new Hashtable();
para.Add("sql", sql);
return(QueryForList <T>($"Query{attribute.TableName}", para));
}
public int CustomDelete <T>(List <int> ids)
{
//找到表名称
var typeT = typeof(T);
TableMappingAttribute attribute = BaseDaoAttribute.GetTableMappingAttribute(typeT);
if (attribute == null)
{
return(-1);
}
var sql = $@"DELETE FROM {attribute.TableName} WHERE Id IN ({string.Join(",", ids)})";
var para = new Hashtable();
para.Add("sql", sql);
return(this.Delete($"Delete{attribute.TableName}", para));
}
public T GetOne <T>(int id)
{
var typeT = typeof(T);
TableMappingAttribute attribute = BaseDaoAttribute.GetTableMappingAttribute(typeT);
if (attribute == null)
{
return(default(T));
}
var sql = $@"SELECT *FROM {attribute.TableName} where id={id} ";
var param = new Hashtable();
param.Add("sql", sql);
return(QueryForObject <T>($"GetOne{attribute.TableName}", param));
}
public void CustomAdd <T>(T t, List <SystemObjectFields> fields)
{
//找到表名称
var typeT = typeof(T);
TableMappingAttribute attribute = BaseDaoAttribute.GetTableMappingAttribute(typeT);
if (attribute == null)
{
return;
}
//新增用反射把各个字段赋值，动态创建插入语句
List <string> list1 = new List <string>();
List <string> list2 = new List <string>();
var properties = typeT.GetProperties();
foreach (var propertiy in properties)
{
var tmp = fields.FirstOrDefault(c => c.FieldName == propertiy.Name && !c.PKConstraint);
if (tmp != null)
{
list1.Add($"[{propertiy.Name}]");
var propertyType = propertiy.PropertyType;
var newVal = TypeConversionTool.ConvertToTarget(tmp.TypeName, propertyType, propertiy.GetValue(t));
var result = string.IsNullOrEmpty(newVal.Item2) ? newVal.Item1 : "";
list2.Add($"'{result}'");
}
}
string mainSql = string.Join(",", list1);
var subSql = string.Join(",", list2);
var sql = $@"INSERT INTO [dbo].{attribute.TableName}
({mainSql})
VALUES
({subSql})";
var para = new Hashtable();
para.Add("sql", sql);
this.Add($"Add{attribute.TableName}", sql);
}
public void CustomUpdate <T>(T t, List <SystemObjectFields> fields)
{
//找到表名称
var typeT = typeof(T);
TableMappingAttribute attribute = BaseDaoAttribute.GetTableMappingAttribute(typeT);
if (attribute == null)
{
return;
}
List <string> updateColumns = new List <string>();
var properties = typeT.GetProperties();
foreach (var propertiy in properties)
{
var tmp = fields.FirstOrDefault(c => c.FieldName == propertiy.Name && !c.PKConstraint);
if (tmp != null)
{
var propertyType = propertiy.PropertyType;
var str = $"[{tmp.FieldName}]='{TypeConversionTool.ConvertToTarget(tmp.TypeName, propertyType, propertiy.GetValue(t)).Item1}'";
updateColumns.Add(str);
}
}
var PKConstraintColumnName = fields.FirstOrDefault(c => c.PKConstraint);
var pType = properties.FirstOrDefault(c => c.Name == PKConstraintColumnName.FieldName);
var PKConstraintColumnValue = TypeConversionTool.ConvertToTarget(PKConstraintColumnName.TypeName, pType.PropertyType, pType.GetValue(t)).Item1;
var sql = $@" update {attribute.TableName} set {string.Join(",", updateColumns)} where {PKConstraintColumnName.FieldName}='{PKConstraintColumnValue}' ";
var para = new Hashtable();
para.Add("sql", sql);
this.Update($"Update{attribute.TableName}", para);
}