以ruby on rails为例,代码如下:
city = { 1 => { "city_name" => "BJ" }, 2 => { "city_name" => "TJ" } }
City.update(city.keys, city.values)
以ruby on rails为例,代码如下:
city = { 1 => { "city_name" => "BJ" }, 2 => { "city_name" => "TJ" } }
City.update(city.keys, city.values)