public async Task <ResultDto> GetCities(GetCitiesInput input)
{
var expression = LambdaExtensions.CreateExpression <City>();
if (!string.IsNullOrWhiteSpace(input.Name))
{
var andExpression = LambdaExtensions.CreateExpression <City>(o => o.Name.Contains(input.Name));
expression = LambdaExtensions.AdditionalExpression(expression, andExpression);
}
var cities = await _cityManager.FindAsync(expression);
return(new ResultDto {
Code = 0, Message = "获取成功！", Data = cities.MapTo <CityDto>()
});
}
