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- 增加 Column.MapType 类型映射，可将 enum 映射为 int/string 等；

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This commit is contained in:
28810
2019-04-26 06:30:30 +08:00
parent 205421f7e0
commit 24df5d6107
47 changed files with 4131 additions and 827 deletions
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62
FreeSql/Internal/Model/ColumnInfo.cs
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@ -1,5 +1,8 @@
using FreeSql.DataAnnotations;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Linq.Expressions;
namespace FreeSql.Internal.Model {
public class ColumnInfo {
@ -7,5 +10,64 @@ namespace FreeSql.Internal.Model {
public string CsName { get; set; }
public Type CsType { get; set; }
public ColumnAttribute Attribute { get; set; }
static ConcurrentDictionary<ColumnInfo, Func<object, object>> _dicGetMapValue = new ConcurrentDictionary<ColumnInfo, Func<object, object>>();
public object GetMapValue(object obj) {
var func = _dicGetMapValue.GetOrAdd(this, col => {
var paramExp = Expression.Parameter(typeof(object));
var returnTarget = Expression.Label(typeof(object));
if (Attribute.MapType == CsType)
return Expression.Lambda<Func<object, object>>(
Expression.Block(
Expression.Return(returnTarget, Expression.Convert(
Expression.MakeMemberAccess(
Expression.TypeAs(paramExp, col.Table.Type),
Table.Properties[col.CsName]
), typeof(object))),
Expression.Label(returnTarget, Expression.Default(typeof(object)))
), new[] { paramExp }).Compile();
var retExp = Expression.Variable(typeof(object), "ret");
var blockExp = new List<Expression>();
blockExp.AddRange(new Expression[] {
Expression.Assign(retExp, Utils.GetDataReaderValueBlockExpression(Attribute.MapType,
Expression.MakeMemberAccess(
Expression.TypeAs(paramExp, col.Table.Type),
Table.Properties[col.CsName]
)
)),
Expression.Return(returnTarget, retExp),
Expression.Label(returnTarget, Expression.Default(typeof(object)))
});
return Expression.Lambda<Func<object, object>>(Expression.Block(new[] { retExp }, blockExp), new[] { paramExp }).Compile();
});
return func(obj);
}
static ConcurrentDictionary<ColumnInfo, Action<object, object>> _dicSetMapValue = new ConcurrentDictionary<ColumnInfo, Action<object, object>>();
public void SetMapValue(object obj, object val) {
var func = _dicSetMapValue.GetOrAdd(this, col => {
var objExp = Expression.Parameter(typeof(object), "obj");
var valExp = Expression.Parameter(typeof(object), "val");
if (Attribute.MapType == CsType)
return Expression.Lambda<Action<object, object>>(
Expression.Assign(Expression.MakeMemberAccess(
Expression.TypeAs(objExp, col.Table.Type),
Table.Properties[col.CsName]
), Expression.Convert(
valExp,
Attribute.MapType)), objExp, valExp).Compile();
return Expression.Lambda<Action<object, object>>(
Expression.Assign(Expression.MakeMemberAccess(
Expression.TypeAs(objExp, col.Table.Type),
Table.Properties[col.CsName]
), Expression.Convert(
Utils.GetDataReaderValueBlockExpression(Attribute.MapType, valExp),
Attribute.MapType)), objExp, valExp).Compile();
});
func(obj, val);
}
}
}

1
FreeSql/Internal/Model/ReadAnonymousTypeInfo.cs
View File

@ -8,6 +8,7 @@ namespace FreeSql.Internal.Model {
public PropertyInfo Property { get; set; }
public string CsName { get; set; }
public Type CsType { get; set; }
public Type MapType { get; set; }
public string DbField { get; set; }
public ConstructorInfo Consturctor { get; set; }
public ReadAnonymousTypeInfoConsturctorType ConsturctorType { get; set; }