C#处理json数据

Love The Way You Lie 2024-04-18 22:22 113阅读 0赞

#### **对象转json** ####

using Newtonsoft.Json.Linq;
    
    //使用非常简单
    JObject result = new JObject(); //创建一个json对象
    result.Add("Static", "success");
    
    List<string> stringList = new List<string>();
    stringList.Add("s1");
    stringList.Add("s2");
    
    result.Add("results", new JArray(stringList));
    //要将一个List序列号为JArray对象
    
    result.ToString(); //输出为json字符串
    //要拿数据的时候，也非常简单
    result["arr"][0];

#### 封装json ####

json转c\#实体类：[http://www.bejson.com/convert/json2csharp/][http_www.bejson.com_convert_json2csharp]

using Newtonsoft.Json;
    
    public T JsonToT(string json_string)
    {
         //将json中的值转换为易操作的对象，对象可包含数组
         return JsonConvert.DeserializeObject<T>(json_string);
    }

使用泛型处理json转换：

class JsonNewtonsoft
    {
       /// <summary>
       /// 把对象转换为JSON字符串
       /// </summary>
       /// <param name="o">对象</param>
       /// <returns>JSON字符串</returns>
       public static string ToJSON(this object o)
       {
           if (o == null)
           {
               return null;
           }
           return JsonConvert.SerializeObject(o);
       }
       /// <summary>
       /// 把Json文本转为实体
       /// </summary>
       /// <typeparam name="T"></typeparam>
       /// <param name="input"></param>
       /// <returns></returns>
       public static T FromJSON<T>(this string input)
       {
           try
           {
               return JsonConvert.DeserializeObject<T>(input);
           }
           catch (Exception ex)
           {
               return default(T);
           }
        }
    }

参考文章(如有侵权，请联系我删除，谢谢)：

[https://www.cnblogs.com/JiYF/p/8628942.html][https_www.cnblogs.com_JiYF_p_8628942.html]

[https://www.cnblogs.com/niyl/p/9757632.html][https_www.cnblogs.com_niyl_p_9757632.html]

[https://www.cnblogs.com/zoujinhua/p/10330066.html][https_www.cnblogs.com_zoujinhua_p_10330066.html]

[https://www.cnblogs.com/zoujinhua/p/10330037.html][https_www.cnblogs.com_zoujinhua_p_10330037.html]

[http_www.bejson.com_convert_json2csharp]: http://www.bejson.com/convert/json2csharp/
[https_www.cnblogs.com_JiYF_p_8628942.html]: https://www.cnblogs.com/JiYF/p/8628942.html
[https_www.cnblogs.com_niyl_p_9757632.html]: https://www.cnblogs.com/niyl/p/9757632.html
[https_www.cnblogs.com_zoujinhua_p_10330066.html]: https://www.cnblogs.com/zoujinhua/p/10330066.html
[https_www.cnblogs.com_zoujinhua_p_10330037.html]: https://www.cnblogs.com/zoujinhua/p/10330037.html