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sunkaixuan 2025-08-17 11:05:44 +08:00
parent 9c472934eb
commit dd91bee5b7
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Src/Asp.NetCore2/SqlSugar.MongoDbCore/ExpToSql/VisitorItems/MethodCallExpressionTractor.cs
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@ -126,15 +126,107 @@ namespace SqlSugar.MongoDb
{
return HandleComplexAnyExpression(methodCallExpression);
}
else if (IsSimpleValueListAny(methodCallExpression))
{
return HandleSimpleValueListAny(methodCallExpression);
}
else
{
return ProcessAnyExpression(methodCallExpression);
}
}
return result;
}
}
private BsonValue HandleSimpleValueListAny(MethodCallExpression methodCallExpression)
{
var memberExpression = methodCallExpression.Arguments[0] as MemberExpression;
var lambdaExpression = methodCallExpression.Arguments[1] as LambdaExpression;
var paramName = lambdaExpression.Parameters.FirstOrDefault()?.Name;
// 集合字段名
var collectionField = MongoNestedTranslator.TranslateNoFieldName(
memberExpression,
_context,
new ExpressionVisitorContext { IsText = true }
)?.ToString();
// Lambda 表达式体
var body = lambdaExpression.Body;
if (body is BinaryExpression binaryExpr)
{
// 只处理 s == value 这种简单表达式
string mongoOperator = binaryExpr.NodeType switch
{
ExpressionType.Equal => "$in",
ExpressionType.NotEqual => "$nin",
_ => null
};
if (mongoOperator != null)
{
// s == value，左边是参数，右边是常量
var left = binaryExpr.Left;
var right = binaryExpr.Right;
if (left is ParameterExpression && right is ConstantExpression constant)
{
var value = UtilMethods.MyCreate(constant.Value);
var bson = new BsonDocument
{
{ collectionField, new BsonDocument(mongoOperator, new BsonArray { value }) }
};
return bson;
}
// s == it.xx 这种情况
if (left is ParameterExpression && right != null)
{
var valueExpr = MongoNestedTranslator.TranslateNoFieldName(
right,
_context,
new ExpressionVisitorContext { IsText = true }
);
var bson = new BsonDocument
{
{ collectionField, new BsonDocument(mongoOperator, new BsonArray { valueExpr }) }
};
return bson;
}
}
}
return null;
}
private static bool IsSimpleValueListAny(MethodCallExpression methodCallExpression)
{
if (methodCallExpression.Arguments.Count == 2)
{
var memberExpression = methodCallExpression.Arguments[0] as MemberExpression;
var lambdaExpression = methodCallExpression.Arguments[1] as LambdaExpression;
if (memberExpression != null && lambdaExpression != null)
{
var memberType = memberExpression.Type;
if (typeof(IEnumerable<string>).IsAssignableFrom(memberType) ||
typeof(IEnumerable<int>).IsAssignableFrom(memberType) ||
typeof(IEnumerable<long>).IsAssignableFrom(memberType) ||
typeof(IEnumerable<double>).IsAssignableFrom(memberType) ||
typeof(IEnumerable<float>).IsAssignableFrom(memberType) ||
typeof(IEnumerable<decimal>).IsAssignableFrom(memberType))
{
// 判断 lambda 是否是 s => s == value 或 s => s != value
if (lambdaExpression.Body is BinaryExpression binaryExpr)
{
if ((binaryExpr.Left is ParameterExpression && binaryExpr.Right is ConstantExpression) ||
(binaryExpr.Left is ParameterExpression && binaryExpr.Right != null))
{
return true;
}
}
}
}
}
return false;
}
private BsonValue HandleComplexAnyExpression(MethodCallExpression methodCallExpression)
{
// 处理 it.Book.Any(s => s.Price == it.Age) 这种主表字段关联的 Any 表达式