字符串转为json对象
dynamic domDetailObj = Newtonsoft.Json.JsonConvert.DeserializeObject(domDetail); //转换为动态JSON类型
读取文件中文乱码
using (StreamReader r = new StreamReader(path, Encoding.Default))
{
string json = r.ReadToEnd();
item = JsonConvert.DeserializeObject<ConfigItem>(json);
}