/// <summary>
/// 添加表达式
/// </summary>
/// <typeparam name="TProperty">属性类型</typeparam>
/// <param name="propertyExpression">属性表达式</param>
/// <param name="operator">运算符</param>
/// <param name="value">值</param>
public void Append <TProperty>(Expression <Func <TEntity, TProperty> > propertyExpression, OperatorLmada @operator,
object value)
{
_result = _result.And(_parameter.Property(LambdaHelper.GetMember(propertyExpression))
.Operation(@operator, value));
}
/// <summary>
/// 创建表达式
/// </summary>
/// <typeparam name="T">属性表达式类型</typeparam>
/// <param name="property">属性表达式</param>
/// <param name="operator">运算符</param>
/// <param name="value">值</param>
/// <returns></returns>
public Expression Create <T>(Expression <Func <TEntity, T> > property, Operator @operator, object value)
{
return(Parameter.Property(LambdaHelper.GetMember(property)).Operation(@operator, value));
}