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Question

[{"name":"直辖市","cityList":[{"CityID":"2","cityName":"上海 ","cityEname":"Shanghai"}]}]

怎么转化成对象

我在解析的时候无线报错
：annot deserialize the current JSON array (e.g. [1,2,3]) into type 'ConsoleApplication5.Root' because the type requires a JSON object (e.g. {\"name\":\"value\"}) to deserialize correctly.\r\nTo fix this error either change the JSON to a JSON object (e.g. {\"name\":\"value\"}) or change the deserialized type to an array or a type that implements a collection interface (e.g. ICollection, IList) like List that can be deserialized from a JSON array. JsonArrayAttribute can also be added to the type to force it to deserialize from a JSON array.\r\nPath '', line 1, position 1

public class CityListItem
{
    public int CityID { get; set; }    
    public string cityName { get; set; }     
    public string cityEname { get; set; }
}

public class PolicyCity
{
public string name { get; set; }
public List<CityListItem> cityList { get; set; }

}
public class PolicyRoot
{
public PolicyCity PolicyCity { get; set; }
}

    数据库数据= [{"name":"直辖市","cityList":[{"CityID":"2","cityName":"上海 ","cityEname":"Shanghai"}]}]
    var city = JsonConvert.DeserializeObject<PolicyRoot>(数据库数据);

Answer 1

[{"name":"直辖市","cityList":[{"CityID":"2","cityName":"上海 ","cityEname":"Shanghai"}]}]

json字符串被包在方括号[]之中，因此是为数组，所以要添加List<>而不只是对象
JsonConvert.DeserializeObject>();